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class="vector-toc-link" href="#Linked_on_NASA's_Astronomy_Picture_of_the_Day"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Linked on NASA's Astronomy Picture of the Day</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Linked_on_NASA's_Astronomy_Picture_of_the_Day-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Don't_..." class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Don't_..."> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Don't ...</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">3 comments</span> <ul id="toc-Don't_...-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alien_on_Mars_cleaning_rover_hypothesis" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Alien_on_Mars_cleaning_rover_hypothesis"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Alien on Mars cleaning rover hypothesis</span> </div> </a> <ul id="toc-Alien_on_Mars_cleaning_rover_hypothesis-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-MUCH_better_movies_available" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#MUCH_better_movies_available"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>MUCH better movies available</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-MUCH_better_movies_available-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hay_Devil" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hay_Devil"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Hay Devil</span> </div> </a> <ul id="toc-Hay_Devil-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Height" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Height"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Height</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Height-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fire_Swirls" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fire_Swirls"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Fire Swirls</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Fire_Swirls-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Terms" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Terms"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Terms</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Terms-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-merge" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#merge"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>merge</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">3 comments</span> <ul id="toc-merge-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Do_Not_Merge" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Do_Not_Merge"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Do Not Merge</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">3 comments</span> <ul id="toc-Do_Not_Merge-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-in_Polish" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#in_Polish"> <div class="vector-toc-text"> <span class="vector-toc-numb">12</span> <span>in Polish</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-in_Polish-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-The_Mars_surface_images_-_a_first?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#The_Mars_surface_images_-_a_first?"> <div class="vector-toc-text"> <span class="vector-toc-numb">13</span> <span>The Mars surface images - a first?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">3 comments</span> <ul id="toc-The_Mars_surface_images_-_a_first?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Whirl_winds" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Whirl_winds"> <div class="vector-toc-text"> <span class="vector-toc-numb">14</span> <span>Whirl winds</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">2 comments</span> <ul id="toc-Whirl_winds-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alternate_name" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Alternate_name"> <div class="vector-toc-text"> <span class="vector-toc-numb">15</span> <span>Alternate name</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Alternate_name-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon"> <div class="vector-toc-text"> <span class="vector-toc-numb">16</span> <span>File:Martian Dust Devil Trails.jpg to appear as POTD soon</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012"> <div class="vector-toc-text"> <span class="vector-toc-numb">17</span> <span>Dust devils do damage in Las Vegas, NV, on May 8, 2012</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-note_on_air_pressure" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#note_on_air_pressure"> <div class="vector-toc-text"> <span class="vector-toc-numb">18</span> <span>note on air pressure</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-note_on_air_pressure-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links_modified" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links_modified"> <div class="vector-toc-text"> <span class="vector-toc-numb">19</span> <span>External links modified</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-External_links_modified-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Duster?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Duster?"> <div class="vector-toc-text"> <span class="vector-toc-numb">20</span> <span>Duster?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Duster?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links_modified_(January_2018)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links_modified_(January_2018)"> <div class="vector-toc-text"> <span class="vector-toc-numb">21</span> <span>External links modified (January 2018)</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-External_links_modified_(January_2018)-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" 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.mw-parser-output .wpbs .wpb .wpb-main,html.skin-theme-clientpref-night .mw-parser-output .wpbs .wpb-header{background-color:#302f2d}html.skin-theme-clientpref-night .mw-parser-output .wpbs .banner-shell-inner{background-color:#2e2505}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .wpb-category-box{background-color:#0a0a0a}html.skin-theme-clientpref-os .mw-parser-output .wpbs .wpb .wpb-main,html.skin-theme-clientpref-os .mw-parser-output .wpbs .wpb-header{background-color:#302f2d}html.skin-theme-clientpref-os .mw-parser-output .wpbs .banner-shell-inner{background-color:#2e2505}}</style><table class="tmbox tmbox-notice mw-collapsible innercollapse wpb wpb-table"><tbody><tr class="wpb-header"><td class="wpb-header-icon"><span typeof="mw:File"><a href="/wiki/File:CirrusField-color.jpg" class="mw-file-description"><img alt="WikiProject icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/33px-CirrusField-color.jpg" decoding="async" width="33" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/51px-CirrusField-color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/67px-CirrusField-color.jpg 2x" data-file-width="1225" data-file-height="919"/></a></span></td><td class="wpb-header-combined"><a href="/wiki/Wikipedia:WikiProject_Weather" title="Wikipedia:WikiProject Weather">Weather</a><span class="wpb-nested-task-force">: <a href="/wiki/Wikipedia:WikiProject_Severe_weather" title="Wikipedia:WikiProject Severe weather">Thunderstorms / Tornadoes</a></span> <span class="wpb-header-bubbles import-mid">Mid‑importance</span></td></tr><tr><td class="mbox-text wpb-main" colspan="2"><table><tbody><tr><td class="mbox-image wpb-image"><span typeof="mw:File"><a href="/wiki/File:CirrusField-color.jpg" class="mw-file-description"><img alt="WikiProject icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/70px-CirrusField-color.jpg" decoding="async" width="70" height="53" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/105px-CirrusField-color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/CirrusField-color.jpg/140px-CirrusField-color.jpg 2x" data-file-width="1225" data-file-height="919"/></a></span></td><td class="mbox-text"><style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output 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class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Cumulus_clouds_in_fair_weather.jpeg/48px-Cumulus_clouds_in_fair_weather.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Cumulus_clouds_in_fair_weather.jpeg/64px-Cumulus_clouds_in_fair_weather.jpeg 2x" data-file-width="800" data-file-height="600"/></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Weather" title="Portal:Weather">Weather portal</a></span></li></ul>This article is within the scope of <b><a href="/wiki/Wikipedia:WikiProject_Weather" title="Wikipedia:WikiProject Weather">WikiProject Weather</a></b>, which collaborates on <b><a href="/wiki/Weather" title="Weather">weather</a></b> and related subjects on Wikipedia. To participate, help improve this article or visit the <a href="/wiki/Wikipedia:WikiProject_Weather" title="Wikipedia:WikiProject Weather">project page</a> for details. <style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist 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href="/wiki/Wikipedia:WikiProject_Weather/Members" title="Wikipedia:WikiProject Weather/Members">Become a Member</a></li> <li><a href="/wiki/Wikipedia_talk:WikiProject_Weather" title="Wikipedia talk:WikiProject Weather">Project Talk</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Weather/Assessment" title="Wikipedia:WikiProject Weather/Assessment">Assessment</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Weather/A-Class" title="Wikipedia:WikiProject Weather/A-Class">A-Class</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Weather/Article_alerts" title="Wikipedia:WikiProject Weather/Article alerts">Alerts</a></li></ul> </div><span class="metadata wpb-metadata"><span class="wpb-project">Weather</span><span class="wpb-project_link">Wikipedia:WikiProject Weather</span><span class="wpb-banner_name">Template:WikiProject Weather</span><span class="wpb-assessment_cat">Weather articles</span></span></td><td class="mbox-empty-cell"></td></tr><tr><td class="assess import-mid"><a 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checked</span></li><li><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/6/64/Purple_question_mark.svg/16px-Purple_question_mark.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/64/Purple_question_mark.svg/24px-Purple_question_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/64/Purple_question_mark.svg/32px-Purple_question_mark.svg.png 2x" data-file-width="450" data-file-height="450"/></span></span> Supporting materials: <span style="font-style:italic">not checked</span></li></ol></td><td style="font-size:88%"><span>To fill out this checklist, please <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Talk:Dust_devil&action=edit">add</a> the following code to the template call:<ul style="font-size:88%;margin:0px;font-family:monospace, sans-serif;padding:1em;border:1px dashed 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If you would like to participate, please visit the project page, where you can join <a href="/wiki/Wikipedia_talk:WikiProject_Physics" title="Wikipedia talk:WikiProject Physics">the discussion</a> and see a list of open tasks.<span class="metadata wpb-metadata"><span class="wpb-project">Physics</span><span class="wpb-project_link">Wikipedia:WikiProject Physics</span><span class="wpb-banner_name">Template:WikiProject Physics</span><span class="wpb-assessment_cat">physics articles</span></span></td><td class="mbox-empty-cell"></td></tr><tr><td class="assess import-low"><a href="/wiki/Category:Low-importance_physics_articles" title="Category:Low-importance physics articles">Low</a></td><td class="mbox-text" colspan="2">This article has been rated as <b>Low-importance</b> on the <a href="/wiki/Wikipedia:WikiProject_Physics/Quality_Control#Importance_scale" title="Wikipedia:WikiProject Physics/Quality Control">project's importance scale</a>.</td></tr><tr><td></td><td class="mbox-text" colspan="2">This article is supported by <b><a href="/wiki/Wikipedia:WikiProject_Physics/Taskforces/Fluid_dynamics" title="Wikipedia:WikiProject Physics/Taskforces/Fluid dynamics">Fluid Dynamics Taskforce</a></b>.</td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Some_notes" data-mw-thread-id="h-Some_notes-2004-05-20T05:42:00.000Z"><span data-mw-comment-start="" id="h-Some_notes-2004-05-20T05:42:00.000Z"></span>Some notes<span data-mw-comment-end="h-Some_notes-2004-05-20T05:42:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=1" title="Edit section: Some notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Ancheta_Wis-2004-05-20T05:42:00.000Z-Some_notes"></span>Could we please get a disambiguation page for 'Whirlwind' as that term currently redirects here, ignoring other subjects of the same name (e.g. the computer project, the comic book character, novel, etc.) </p><p>Dust devils are known to have significant static charges, but </p> <dl><dd><i>Terrestrial dust devils are known to be accompanied by significant electrical discharges on the order of 2000 to 3000 watts per meter.</i></dd></dl> <p>does anybody have a source for this statement? <a href="/w/index.php?title=User:Silsor&action=edit&redlink=1" class="new" title="User:Silsor (page does not exist)">silsor</a> 03:00, Feb 25, 2004 (UTC) </p><p>I can field this one. The <a rel="nofollow" class="external text" href="http://mars.astrobio.net/">Mars Astrobiology Magazine</a> states: </p><p>"<i>Indeed, the Matador project measures changes in Earth's electric field that hover around 100 volts per meter but ramp up dramatically to 2,000 or 3,000 volts per meter during sudden static bursts.</i>"<a rel="nofollow" class="external autonumber" href="http://mars.astrobio.net/news/print.php?sid=50">[1]</a> </p><p>The Matador project was sent to a terrestrial desert (in Arizona) to research the effects of dust devils on machines. </p><p>Interestingly, this figure of two or three thousand volts per meter amounts to only six or seven volts over the length of a human body. Dust devils are not "small" as the previous editions of this entry have stated baldly, they are tens of meters in diameter and a thousand or more meters long. - <a href="/wiki/User:Plautus_satire" title="User:Plautus satire">Plautus satire</a> 03:08, 25 Feb 2004 (UTC) </p><p>I see now I was saying "watts" when I meant "volts". I am sorry for this mistake, I will correct it. - <a href="/wiki/User:Plautus_satire" title="User:Plautus satire">Plautus satire</a> 03:10, 25 Feb 2004 (UTC) </p> <dl><dd>The article still makes no sense. The source you cited is not talking about electrical <i>discharges</i>, it is talking about the potential of the electric <i>field</i>. Do you know what a volt is? I am also extremely interested in your claim that "two or three thousand volts per meter amounts to only six or seven volts over the length of a human body". By your numbers, an average human being is around 400 meters tall. <a href="/w/index.php?title=User:Silsor&action=edit&redlink=1" class="new" title="User:Silsor (page does not exist)">silsor</a> 03:19, Feb 25, 2004 (UTC) <dl><dd>Good point about my off-the-cuff remark about volts over the length of a human body. What doesn't make sense, though? Yes, I know what a volt is. Human beings are not four hundred meters tall, my claim about six or seven volts over the length of a human body was wrong. Volts per meter in this case is referring to field strength as measured by the instruments used by Matador. - <a href="/wiki/User:Plautus_satire" title="User:Plautus satire">Plautus satire</a> 03:43, 25 Feb 2004 (UTC)</dd></dl></dd></dl> <p><br/> In <a class="external text" href="https://en.wikipedia.org/w/wiki.phtml?title=Dust_devil&oldid=2518038">your version of 23:51, 24 Feb 2004</a> I thought "damaging to terrestrial technology" meant you were referring to dust devils on Earth, so I edited it. Specifying "terrestrial technology sent to Mars" removes the confusion. Not clear though why "robotic landers and future human explorers" doesn't cover the bases. <a href="/wiki/User:Curps" title="User:Curps">Curps</a> </p> <dl><dd>The only reason I would equivocate is because the threat isn't to the human explorers per se, it is to the technology keeping them alive in such a hostile environment. Maybe nitpicking, but then we are here to pick nits, apparently. - <a href="/wiki/User:Plautus_satire" title="User:Plautus satire">Plautus satire</a> 03:57, 25 Feb 2004 (UTC)</dd></dl> <dl><dd>I can state that dust devils, in common usage in the Western US, are not unequivocally 1000 meters tall; the mountains around El Paso Texas rise 1000 meters above the desert floor, and the dust devils do not rise as tall as the mountains; at most, they were 100 feet tall, just as the photograph shows. <a href="/wiki/User:Ancheta_Wis" title="User:Ancheta Wis">Ancheta Wis</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Ancheta_Wis-2004-05-20T05:42:00.000Z-Some_notes" class="ext-discussiontools-init-timestamplink">05:42, 20 May 2004 (UTC)</a> On this basis, I am altering the text of the article. As further evidence, I can state that I have seen dust devils on the desert floor from a mountaintop and they were not 1000 meters tall.<span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Ancheta_Wis-2004-05-20T05:42:00.000Z-Some_notes"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Ancheta_Wis-2004-05-20T05:42:00.000Z-Some_notes"></span></dd></dl> <p><br/><span data-mw-comment-start="" id="c-Spleezleton-2006-03-11T07:33:00.000Z-Some_notes"></span> In the upper States of the American Midwest, they are called "whirlwinds." They range from a skirl of leaves manheight to towering pillars of dust hundreds of feet high on late spring cultivated land. </p><p>The first sentence doesn't make good grammatical sense, but I'm not quite sure how to change it. "A dust devil or whirlwind is either a large rotating updraft, anywhere from 1000 meters high or more and tens of meters in diameter, to a small vortex a few meters high." The "either" should be followed by an "or," but instead it is followed by a "to." <a href="/w/index.php?title=User:Spleezleton&action=edit&redlink=1" class="new" title="User:Spleezleton (page does not exist)">Spleezleton</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Spleezleton-2006-03-11T07:33:00.000Z-Some_notes" class="ext-discussiontools-init-timestamplink">07:33, 11 March 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Spleezleton-2006-03-11T07:33:00.000Z-Some_notes"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Spleezleton-2006-03-11T07:33:00.000Z-Some_notes"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-BurtonReingold-20230522174300-Spleezleton-2006-03-11T07:33:00.000Z"></span>Don't know if there are any links to the volts per meter statement, but it did sound good. <a href="/wiki/User:BurtonReingold" title="User:BurtonReingold">BurtonReingold</a> (<a href="/wiki/User_talk:BurtonReingold" title="User talk:BurtonReingold">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-BurtonReingold-20230522174300-Spleezleton-2006-03-11T07:33:00.000Z" class="ext-discussiontools-init-timestamplink">17:43, 22 May 2023 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-BurtonReingold-20230522174300-Spleezleton-2006-03-11T07:33:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-BurtonReingold-20230522174300-Spleezleton-2006-03-11T07:33:00.000Z"></span></dd></dl> <p><br/> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Linked_on_NASA's_Astronomy_Picture_of_the_Day" data-mw-thread-id="h-Linked_on_NASA's_Astronomy_Picture_of_the_Day-2005-05-14T20:36:00.000Z"><span id="Linked_on_NASA.27s_Astronomy_Picture_of_the_Day"></span><span data-mw-comment-start="" id="h-Linked_on_NASA's_Astronomy_Picture_of_the_Day-2005-05-14T20:36:00.000Z"></span>Linked on <a href="/wiki/NASA" title="NASA">NASA</a>'s <a href="/wiki/Astronomy_Picture_of_the_Day" title="Astronomy Picture of the Day">Astronomy Picture of the Day</a><span data-mw-comment-end="h-Linked_on_NASA's_Astronomy_Picture_of_the_Day-2005-05-14T20:36:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=2" title="Edit section: Linked on NASA's Astronomy Picture of the Day"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Euniana-2005-05-14T20:36:00.000Z-Linked_on_NASA's_Astronomy_Picture_of_the_Day"></span>This page is linked on 26 Apr 2005 by <a rel="nofollow" class="external text" href="https://antwrp.gsfc.nasa.gov/apod/ap050426.html">this picture about Martian dust devils</a>. --<a href="/wiki/User:Euniana" title="User:Euniana">Euniana</a>/<a href="/wiki/User_talk:Euniana" title="User talk:Euniana">Talk</a>/<a rel="nofollow" class="external text" href="http://stillwatersca.blogspot.com/">Blog</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Euniana-2005-05-14T20:36:00.000Z-Linked_on_NASA's_Astronomy_Picture_of_the_Day" class="ext-discussiontools-init-timestamplink">20:36, 14 May 2005 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Euniana-2005-05-14T20:36:00.000Z-Linked_on_NASA's_Astronomy_Picture_of_the_Day"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Euniana-2005-05-14T20:36:00.000Z-Linked_on_NASA's_Astronomy_Picture_of_the_Day"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Don't_..." data-mw-thread-id="h-Don't_...-2006-04-08T08:30:00.000Z"><span id="Don.27t_..."></span><span data-mw-comment-start="" id="h-Don't_...-2006-04-08T08:30:00.000Z"></span>Don't ...<span data-mw-comment-end="h-Don't_...-2006-04-08T08:30:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=3" title="Edit section: Don't ..."><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Martial_Law-2006-04-08T08:30:00.000Z-Don't_..."></span>Don't underestimate these things. I have been in one, and one hour later, one killed 5 people in Texas on I - 10 by flipping some cars into opposing traffic. <a href="/wiki/User:Martial_Law" title="User:Martial Law">Martial Law</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Martial_Law-2006-04-08T08:30:00.000Z-Don't_..." class="ext-discussiontools-init-timestamplink">08:30, 8 April 2006 (UTC)</a> <b>:)</b><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Martial_Law-2006-04-08T08:30:00.000Z-Don't_..."><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Martial_Law-2006-04-08T08:30:00.000Z-Don't_..."></span> </p><p><span data-mw-comment-start="" id="c-Martial_Law-2006-04-08T08:33:00.000Z-Don't_..."></span>The dust devil caught the juncture where the 5th wheel trailer was hooked to a BIG pick-up and nearly flipped me and other family members. <a href="/wiki/User:Martial_Law" title="User:Martial Law">Martial Law</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Martial_Law-2006-04-08T08:33:00.000Z-Don't_..." class="ext-discussiontools-init-timestamplink">08:33, 8 April 2006 (UTC)</a> <b>:)</b><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Martial_Law-2006-04-08T08:33:00.000Z-Don't_..."><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Martial_Law-2006-04-08T08:33:00.000Z-Don't_..."></span> </p> <dl><dd><span data-mw-comment-start="" id="c-216.110.254.167-2006-04-27T22:56:00.000Z-Martial_Law-2006-04-08T08:33:00.000Z"></span>I was in a dust devil myself years ago and it was weak. It could only lift dirt and grass and other plant life that was dead but I saw a rock and the rock didn't move so I just went in one. It was cool but dusty. <a href="/w/index.php?title=User:216.110.254.167&action=edit&redlink=1" class="new" title="User:216.110.254.167 (page does not exist)">216.110.254.167</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-216.110.254.167-2006-04-27T22:56:00.000Z-Martial_Law-2006-04-08T08:33:00.000Z" class="ext-discussiontools-init-timestamplink">22:56, 27 April 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-216.110.254.167-2006-04-27T22:56:00.000Z-Martial_Law-2006-04-08T08:33:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-216.110.254.167-2006-04-27T22:56:00.000Z-Martial_Law-2006-04-08T08:33:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Alien_on_Mars_cleaning_rover_hypothesis" data-mw-thread-id="h-Alien_on_Mars_cleaning_rover_hypothesis"><span data-mw-comment-start="" id="h-Alien_on_Mars_cleaning_rover_hypothesis"></span>Alien on Mars cleaning rover hypothesis<span data-mw-comment-end="h-Alien_on_Mars_cleaning_rover_hypothesis"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=4" title="Edit section: Alien on Mars cleaning rover hypothesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I took out the line about a supposed hypothesis that existed that stated that aliens may have been responsible for cleaning the solar panels on the mars rovers, instead of dust devils. The reasoning behind this is because the referenced article did in fact mention aliens, but only jokingly theorized that aliens could have been responsible for the cleaning of the panels. </p><p><br/> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="MUCH_better_movies_available" data-mw-thread-id="h-MUCH_better_movies_available-2006-07-18T01:04:00.000Z"><span data-mw-comment-start="" id="h-MUCH_better_movies_available-2006-07-18T01:04:00.000Z"></span>MUCH better movies available<span data-mw-comment-end="h-MUCH_better_movies_available-2006-07-18T01:04:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=5" title="Edit section: MUCH better movies available"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Planetary-2006-07-18T01:04:00.000Z-MUCH_better_movies_available"></span>There's some great movies of the Gusev Crater dust devils on <a rel="nofollow" class="external text" href="http://www.lpl.arizona.edu/~lemmon/mer_dd.html">this page</a>. I replaced a so-so press-release link from JPL with this rather dedicated list, complete with several versions of most movies, a rating system based on stars, and a color photo! Some of them show multiple devils at the same time, but I don't have the technical expertise to replace the current one. Just a suggestion. Look and you'll see what I mean.--<a href="/wiki/User:Planetary" title="User:Planetary">Planetary</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Planetary-2006-07-18T01:04:00.000Z-MUCH_better_movies_available" class="ext-discussiontools-init-timestamplink">01:04, 18 July 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Planetary-2006-07-18T01:04:00.000Z-MUCH_better_movies_available"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Planetary-2006-07-18T01:04:00.000Z-MUCH_better_movies_available"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Hay_Devil" data-mw-thread-id="h-Hay_Devil"><span data-mw-comment-start="" id="h-Hay_Devil"></span>Hay Devil<span data-mw-comment-end="h-Hay_Devil"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=6" title="Edit section: Hay Devil"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I noticed that 'hay devil' forwarded to this page but isn't mentioned within it. I'm from the UK and have seen quite impressive swirls formed from loose hay on fields and even from leaves in autumn. Perhaps there could be a small mention of materials other than dust and sand which can form landspout-like phenomena. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Height" data-mw-thread-id="h-Height-2007-01-20T03:48:00.000Z"><span data-mw-comment-start="" id="h-Height-2007-01-20T03:48:00.000Z"></span>Height<span data-mw-comment-end="h-Height-2007-01-20T03:48:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=7" title="Edit section: Height"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-60.230.177.204-2007-01-20T03:48:00.000Z-Height"></span>Ref edit of 03.27 20 January 2007 by me. Would a user with more Wikipedia procedure knowledge please add the following references to the text change. <br/> Reference[13] "Characteristics of Dust Devils in Australia" <a rel="nofollow" class="external free" href="http://adsabs.harvard.edu/abs/1990JApMe..29..498H">http://adsabs.harvard.edu/abs/1990JApMe..29..498H</a>. and reference [14] <a rel="nofollow" class="external free" href="http://concise.britannica.com/ebc/article-9076783/whirlwind">http://concise.britannica.com/ebc/article-9076783/whirlwind</a> It is known by glider pilots that the vortex of a willy-willy observed near ground level can occasionaly be 'felt' at heights up to about 15'000 feet.<a href="/w/index.php?title=User:60.230.177.204&action=edit&redlink=1" class="new" title="User:60.230.177.204 (page does not exist)">60.230.177.204</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-60.230.177.204-2007-01-20T03:48:00.000Z-Height" class="ext-discussiontools-init-timestamplink">03:48, 20 January 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-60.230.177.204-2007-01-20T03:48:00.000Z-Height"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-60.230.177.204-2007-01-20T03:48:00.000Z-Height"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Fire_Swirls" data-mw-thread-id="h-Fire_Swirls-2007-01-22T08:13:00.000Z"><span data-mw-comment-start="" id="h-Fire_Swirls-2007-01-22T08:13:00.000Z"></span>Fire Swirls<span data-mw-comment-end="h-Fire_Swirls-2007-01-22T08:13:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=8" title="Edit section: Fire Swirls"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Geoffrey_Wickham-2007-01-22T08:13:00.000Z-Fire_Swirls"></span>My edit of 08.21 22 January 2007 is my perception of the subject based on observation and experiment. I cannnot find any scientific literature on the subject to use as a citation.<a href="/wiki/User:Geoffrey_Wickham" title="User:Geoffrey Wickham">Geoffrey Wickham</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Geoffrey_Wickham-2007-01-22T08:13:00.000Z-Fire_Swirls" class="ext-discussiontools-init-timestamplink">08:13, 22 January 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Geoffrey_Wickham-2007-01-22T08:13:00.000Z-Fire_Swirls"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Geoffrey_Wickham-2007-01-22T08:13:00.000Z-Fire_Swirls"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Terms" data-mw-thread-id="h-Terms-2007-03-28T01:40:00.000Z"><span data-mw-comment-start="" id="h-Terms-2007-03-28T01:40:00.000Z"></span>Terms<span data-mw-comment-end="h-Terms-2007-03-28T01:40:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=9" title="Edit section: Terms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Evolauxia-2007-03-28T01:40:00.000Z-Terms"></span>A few handy references for terms are: </p> <ul><li><a rel="nofollow" class="external text" href="http://amsglossary.allenpress.com/glossary/">AMS Glossary of Meteorology</a></li> <li><a rel="nofollow" class="external text" href="https://www.weather.gov/glossary/">NWS Glossary</a></li> <li><a rel="nofollow" class="external text" href="http://www.srh.noaa.gov/oun/severewx/glossary.php">A Comprehensive Glossary of Weather Terms for Storm Spotters (NWS)</a></li></ul> <p><a href="/wiki/User:Evolauxia" title="User:Evolauxia">Evolauxia</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Evolauxia-2007-03-28T01:40:00.000Z-Terms" class="ext-discussiontools-init-timestamplink">01:40, 28 March 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Evolauxia-2007-03-28T01:40:00.000Z-Terms"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Evolauxia-2007-03-28T01:40:00.000Z-Terms"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="merge" data-mw-thread-id="h-merge-2007-07-11T02:19:00.000Z"><span data-mw-comment-start="" id="h-merge-2007-07-11T02:19:00.000Z"></span>merge<span data-mw-comment-end="h-merge-2007-07-11T02:19:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=10" title="Edit section: merge"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-70.113.4.133-2007-07-11T02:19:00.000Z-merge"></span>If whirlwind = dust devil - dust, it doen't need its own page. <a href="/w/index.php?title=User:70.113.4.133&action=edit&redlink=1" class="new" title="User:70.113.4.133 (page does not exist)">70.113.4.133</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-70.113.4.133-2007-07-11T02:19:00.000Z-merge" class="ext-discussiontools-init-timestamplink">02:19, 11 July 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-70.113.4.133-2007-07-11T02:19:00.000Z-merge"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-70.113.4.133-2007-07-11T02:19:00.000Z-merge"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Evolauxia-2007-07-11T04:22:00.000Z-70.113.4.133-2007-07-11T02:19:00.000Z"></span>Whirlwind is a generic term for the spectrum of whirls or vortices in the atmosphere, or in some usage specifically refers to a small whirl induced by strong winds interacting with a rough surface.<a rel="nofollow" class="external autonumber" href="http://www.torro.org.uk/TORRO/severeweather/tornadofaqs.php#whirlwind">[2]</a> The article should be cleaned up or expanded to reflect this. <a href="/wiki/User:Evolauxia" title="User:Evolauxia">Evolauxia</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Evolauxia-2007-07-11T04:22:00.000Z-70.113.4.133-2007-07-11T02:19:00.000Z" class="ext-discussiontools-init-timestamplink">04:22, 11 July 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Evolauxia-2007-07-11T04:22:00.000Z-70.113.4.133-2007-07-11T02:19:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Evolauxia-2007-07-11T04:22:00.000Z-70.113.4.133-2007-07-11T02:19:00.000Z"></span></dd></dl> <dl><dd><dl><dd><span data-mw-comment-start="" id="c-Geoffrey_Wickham-2007-07-20T04:22:00.000Z-Evolauxia-2007-07-11T04:22:00.000Z"></span>I support merging.<a href="/wiki/User:Geoffrey_Wickham" title="User:Geoffrey Wickham">Geoffrey Wickham</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Geoffrey_Wickham-2007-07-20T04:22:00.000Z-Evolauxia-2007-07-11T04:22:00.000Z" class="ext-discussiontools-init-timestamplink">04:22, 20 July 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Geoffrey_Wickham-2007-07-20T04:22:00.000Z-Evolauxia-2007-07-11T04:22:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Geoffrey_Wickham-2007-07-20T04:22:00.000Z-Evolauxia-2007-07-11T04:22:00.000Z"></span></dd></dl></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Do_Not_Merge" data-mw-thread-id="h-Do_Not_Merge-2007-07-16T18:46:00.000Z"><span data-mw-comment-start="" id="h-Do_Not_Merge-2007-07-16T18:46:00.000Z"></span>Do Not Merge<span data-mw-comment-end="h-Do_Not_Merge-2007-07-16T18:46:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=11" title="Edit section: Do Not Merge"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Whirlwindlover-2007-07-16T18:46:00.000Z-Do_Not_Merge"></span>Please, don't merge whirlwind with this article. Even though they are simular, they are very different! I know that they are simular phenominons, but a wirlwind is tecnicly a <b>debris devil</b>, since it: </p> <pre> "picks up debris as it goes along on it's jurney" -from <a href="/w/index.php?title=Whirlwind(atmospheric_phenomenon)&action=edit&redlink=1" class="new" title="Whirlwind(atmospheric phenomenon) (page does not exist)">whirlwind(atmospheric phenomenon)</a> </pre> <p>So please listen to me, don't merge <a href="/wiki/Whirlwind_(atmospheric_phenomenon)" class="mw-redirect" title="Whirlwind (atmospheric phenomenon)">Whirlwind (atmospheric phenomenon)</a> with <a href="/wiki/Dust_devil" title="Dust devil">dust devil</a>!!! </p> <pre> Thanks! --<a href="/wiki/User:Whirlwindlover" title="User:Whirlwindlover">Whirlwindlover</a> 18:46, 16 July 2007 (UTC)Whilwindlover<a href="/wiki/User:Whirlwindlover" title="User:Whirlwindlover">Whirlwindlover</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Whirlwindlover-2007-07-16T18:46:00.000Z-Do_Not_Merge" class="ext-discussiontools-init-timestamplink">18:46, 16 July 2007 (UTC)</a> -creator of the "wirlwind" article<span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Whirlwindlover-2007-07-16T18:46:00.000Z-Do_Not_Merge"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Whirlwindlover-2007-07-16T18:46:00.000Z-Do_Not_Merge"></span> </pre> <dl><dd><dl><dd><span data-mw-comment-start="" id="c-Geoffrey_Wickham-2007-07-20T04:29:00.000Z-Whirlwindlover-2007-07-16T18:46:00.000Z"></span>A <a href="/wiki/Dust_devil" title="Dust devil">Dust devil</a> picks up any <b>Debris</b>, be it dust, leaves, twigs or pieces of any material having a sufficiently low density.<a href="/wiki/User:Geoffrey_Wickham" title="User:Geoffrey Wickham">Geoffrey Wickham</a> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Geoffrey_Wickham-2007-07-20T04:29:00.000Z-Whirlwindlover-2007-07-16T18:46:00.000Z" class="ext-discussiontools-init-timestamplink">04:29, 20 July 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Geoffrey_Wickham-2007-07-20T04:29:00.000Z-Whirlwindlover-2007-07-16T18:46:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Geoffrey_Wickham-2007-07-20T04:29:00.000Z-Whirlwindlover-2007-07-16T18:46:00.000Z"></span></dd></dl></dd></dl> <p><span data-mw-comment-start="" id="c-Runningonbrains-2007-07-19T04:38:00.000Z-Do_Not_Merge"></span>I appreciate your comments, but just because it <i>might</i> be a separate phenomenon does not mean it warrants its own article. Additionally, Wikipedia articles must conform to a <a href="/wiki/Wikipedia:MOS" class="mw-redirect" title="Wikipedia:MOS">manual of style</a>, and must especially be <a href="/wiki/Wikipedia:V" class="mw-redirect" title="Wikipedia:V">verifiable</a>, meaning that the article contains reliable sources. And quoting an article which you wrote is not a very good case to keep the article. Please cite some outside sources, or else the articles must be merged, and unverifiable information deleted. -<b><a href="/wiki/User:Runningonbrains" title="User:Runningonbrains"><span style="color:black;">Running</span></a><a href="/wiki/Wikipedia:METEO" class="mw-redirect" title="Wikipedia:METEO"><span style="color:blue;">On</span></a><a href="/wiki/User_talk:Runningonbrains" title="User talk:Runningonbrains"><span style="color:green;">Brains</span></a></b> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Runningonbrains-2007-07-19T04:38:00.000Z-Do_Not_Merge" class="ext-discussiontools-init-timestamplink">04:38, 19 July 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Runningonbrains-2007-07-19T04:38:00.000Z-Do_Not_Merge"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Runningonbrains-2007-07-19T04:38:00.000Z-Do_Not_Merge"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="in_Polish" data-mw-thread-id="h-in_Polish-2009-11-06T06:27:00.000Z"><span data-mw-comment-start="" id="h-in_Polish-2009-11-06T06:27:00.000Z"></span>in Polish<span data-mw-comment-end="h-in_Polish-2009-11-06T06:27:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=12" title="Edit section: in Polish"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><a class="external free" href="https://pl.wikipedia.org/wiki/Wir_py%C5%82owy"><span data-mw-comment-start="" id="c-94.75.121.15-2009-11-06T06:27:00.000Z-in_Polish"></span>http://pl.wikipedia.org/wiki/Wir_py%C5%82owy</a> <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/94.75.121.15" title="Special:Contributions/94.75.121.15">94.75.121.15</a> (<a href="/w/index.php?title=User_talk:94.75.121.15&action=edit&redlink=1" class="new" title="User talk:94.75.121.15 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-94.75.121.15-2009-11-06T06:27:00.000Z-in_Polish" class="ext-discussiontools-init-timestamplink">06:27, 6 November 2009 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-94.75.121.15-2009-11-06T06:27:00.000Z-in_Polish"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-94.75.121.15-2009-11-06T06:27:00.000Z-in_Polish"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="The_Mars_surface_images_-_a_first?" data-mw-thread-id="h-The_Mars_surface_images_-_a_first?-2010-06-13T23:01:00.000Z"><span id="The_Mars_surface_images_-_a_first.3F"></span><span data-mw-comment-start="" id="h-The_Mars_surface_images_-_a_first?-2010-06-13T23:01:00.000Z"></span>The Mars surface images - a first?<span data-mw-comment-end="h-The_Mars_surface_images_-_a_first?-2010-06-13T23:01:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=13" title="Edit section: The Mars surface images - a first?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-68.146.81.123-2010-06-13T23:01:00.000Z-The_Mars_surface_images_-_a_first?"></span>The "movie" showing the dust devil passing in front of one of the rovers: I thought I read somewhere that this was the first time a non-Earth weather event had been visualized from the surface - can anyone confirm? I think the same might apply to the satellite shots of the Martian dust devils, too. <a href="/wiki/Special:Contributions/68.146.81.123" title="Special:Contributions/68.146.81.123">68.146.81.123</a> (<a href="/wiki/User_talk:68.146.81.123" title="User talk:68.146.81.123">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-68.146.81.123-2010-06-13T23:01:00.000Z-The_Mars_surface_images_-_a_first?" class="ext-discussiontools-init-timestamplink">23:01, 13 June 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-68.146.81.123-2010-06-13T23:01:00.000Z-The_Mars_surface_images_-_a_first?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-68.146.81.123-2010-06-13T23:01:00.000Z-The_Mars_surface_images_-_a_first?"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Runningonbrains-2010-06-14T22:14:00.000Z-68.146.81.123-2010-06-13T23:01:00.000Z"></span>"Weather event" is really a subjective term. Clouds and dust in the air had been imaged long before that sequence was taken. It's not really something that requires mention on the page, IMHO. -<b><a href="/wiki/User:Runningonbrains" title="User:Runningonbrains"><span style="color:#000">Running</span><span style="color:blue;">On</span><span style="color:green;">Brains</span></a><sup>(<a href="/wiki/User_talk:Runningonbrains" title="User talk:Runningonbrains">talk</a>)</sup></b> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Runningonbrains-2010-06-14T22:14:00.000Z-68.146.81.123-2010-06-13T23:01:00.000Z" class="ext-discussiontools-init-timestamplink">22:14, 14 June 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Runningonbrains-2010-06-14T22:14:00.000Z-68.146.81.123-2010-06-13T23:01:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Runningonbrains-2010-06-14T22:14:00.000Z-68.146.81.123-2010-06-13T23:01:00.000Z"></span></dd></dl> <p><br/><span data-mw-comment-start="" id="c-70.189.213.238-2010-08-29T14:48:00.000Z-The_Mars_surface_images_-_a_first?"></span> no mention of the term 'sand dervish' which has roots in history & sufi whirling. also pop culture (prince of persia movie, everquest 1 & 2 game) <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/70.189.213.238" title="Special:Contributions/70.189.213.238">70.189.213.238</a> (<a href="/w/index.php?title=User_talk:70.189.213.238&action=edit&redlink=1" class="new" title="User talk:70.189.213.238 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-70.189.213.238-2010-08-29T14:48:00.000Z-The_Mars_surface_images_-_a_first?" class="ext-discussiontools-init-timestamplink">14:48, 29 August 2010 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-70.189.213.238-2010-08-29T14:48:00.000Z-The_Mars_surface_images_-_a_first?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-70.189.213.238-2010-08-29T14:48:00.000Z-The_Mars_surface_images_-_a_first?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Whirl_winds" data-mw-thread-id="h-Whirl_winds-2010-09-08T03:56:00.000Z"><span data-mw-comment-start="" id="h-Whirl_winds-2010-09-08T03:56:00.000Z"></span>Whirl winds<span data-mw-comment-end="h-Whirl_winds-2010-09-08T03:56:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=14" title="Edit section: Whirl winds"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-173.87.187.183-2010-09-08T03:56:00.000Z-Whirl_winds"></span>I live out here in the northern Arizona desert, I'm taking a college course in meteorology and have read the cause of whirl winds but some things do not make sense to me. I have watched whirl winds start up in the same spot over and over again. I have seen up to 16 starting at the same spot and travel the same course across the flat lands. I realize the convection principle but why the same spot of origin? <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/173.87.187.183" title="Special:Contributions/173.87.187.183">173.87.187.183</a> (<a href="/w/index.php?title=User_talk:173.87.187.183&action=edit&redlink=1" class="new" title="User talk:173.87.187.183 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-173.87.187.183-2010-09-08T03:56:00.000Z-Whirl_winds" class="ext-discussiontools-init-timestamplink">03:56, 8 September 2010 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-173.87.187.183-2010-09-08T03:56:00.000Z-Whirl_winds"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-173.87.187.183-2010-09-08T03:56:00.000Z-Whirl_winds"></span> </p><p><span data-mw-comment-start="" id="c-Magneticlifeform-2010-11-30T01:48:00.000Z-Whirl_winds"></span>Not all dust devils originate as a result of hot air close to the ground funneling upward through a hot-air chimney. Sometimes horizontal air currents generate dust devils even without vertical hot-air chimneys. Horizontal-air-current-induced dust devils typically are tied to local geographical irregularities. These local irregularities may involve vertical terrain or nothing more than surface differences which result in different ground temperatures between two adjoining flat areas. A common example is a large, cool grassy area adjoining an area of bare ground that is heated to a higher temperature by the sun. As the air above the bare ground heats up, the growing difference in density between that hot air and the cooler air above the grass will eventually lead to the heavier, cooler air sinking below the hot air and flowing from the grassy area out over the adjacent bare ground. This horizontal air current causes shear-induced horizontally rolling cylinders in the boundary layer between the hot and cold layers of air. Where the cold air initially begins to flow under the hot air, this "roll" starts out as a small arch over the expanding tongue of cold air. As the flow area of the advancing cold air grows, the rolling arch under which it passes is stretched to greater length, causing it to be constricted and sped up because of conservation of angular momentum. The opposing ends of the rolling arch form two counter-rotating dust devils where the ends of the arch intersect the ground. Once formed, one of the two dust devils typically dies out quickly while the other may persist for a few tens of seconds. Besides bare ground, these horizontal-air-current-induced dust devils also often occur over hot asphalt. In many cases these ground-flow-induced dust devils become the "seeds" that initiate the vertical air currents which grow into larger dust devils. That is why many dust devils seem to be geographically tied to certain locations. <i>Natural History</i> magazine once published an excellent article on this subject but I have been unable to find the applicable reference. <a href="/wiki/User:Magneticlifeform" title="User:Magneticlifeform">Magneticlifeform</a> (<a href="/wiki/User_talk:Magneticlifeform" title="User talk:Magneticlifeform">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Magneticlifeform-2010-11-30T01:48:00.000Z-Whirl_winds" class="ext-discussiontools-init-timestamplink">01:48, 30 November 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Magneticlifeform-2010-11-30T01:48:00.000Z-Whirl_winds"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Magneticlifeform-2010-11-30T01:48:00.000Z-Whirl_winds"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Alternate_name" data-mw-thread-id="h-Alternate_name-2011-04-04T09:45:00.000Z"><span data-mw-comment-start="" id="h-Alternate_name-2011-04-04T09:45:00.000Z"></span>Alternate name<span data-mw-comment-end="h-Alternate_name-2011-04-04T09:45:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=15" title="Edit section: Alternate name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-93.107.146.102-2011-04-04T09:45:00.000Z-Alternate_name"></span>Though rare in Ireland they are known there as shee-gaoithe meaning 'fairy wind'. <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/93.107.146.102" title="Special:Contributions/93.107.146.102">93.107.146.102</a> (<a href="/w/index.php?title=User_talk:93.107.146.102&action=edit&redlink=1" class="new" title="User talk:93.107.146.102 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-93.107.146.102-2011-04-04T09:45:00.000Z-Alternate_name" class="ext-discussiontools-init-timestamplink">09:45, 4 April 2011 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-93.107.146.102-2011-04-04T09:45:00.000Z-Alternate_name"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-93.107.146.102-2011-04-04T09:45:00.000Z-Alternate_name"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon" data-mw-thread-id="h-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon-2011-06-22T16:53:00.000Z"><span data-mw-comment-start="" id="h-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon-2011-06-22T16:53:00.000Z"></span><a href="/wiki/File:Martian_Dust_Devil_Trails.jpg" title="File:Martian Dust Devil Trails.jpg">File:Martian Dust Devil Trails.jpg</a> to appear as POTD soon<span data-mw-comment-end="h-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon-2011-06-22T16:53:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=16" title="Edit section: File:Martian Dust Devil Trails.jpg to appear as POTD soon"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Howcheng-2011-06-22T16:53:00.000Z-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon"></span>Hello! This is a note to let the editors of this article know that <a href="/wiki/File:Martian_Dust_Devil_Trails.jpg" title="File:Martian Dust Devil Trails.jpg">File:Martian Dust Devil Trails.jpg</a> will be appearing as <a href="/wiki/Wikipedia:Picture_of_the_day" title="Wikipedia:Picture of the day">picture of the day</a> on June 24, 2011. You can view and edit the POTD blurb at <a href="/wiki/Template:POTD/2011-06-24" title="Template:POTD/2011-06-24">Template:POTD/2011-06-24</a>. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the <a href="/wiki/Main_Page" title="Main Page">Main Page</a> so Wikipedia doesn't look bad. :) Thanks! <span style="font-family:Verdana;"><b><a href="/wiki/User:Howcheng" class="mw-redirect" title="User:Howcheng"><span style="color:#33C;">howcheng</span></a></b> <small>{<a href="/wiki/User_talk:Howcheng" class="mw-redirect" title="User talk:Howcheng">chat</a>}</small></span> <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Howcheng-2011-06-22T16:53:00.000Z-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon" class="ext-discussiontools-init-timestamplink">16:53, 22 June 2011 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Howcheng-2011-06-22T16:53:00.000Z-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Howcheng-2011-06-22T16:53:00.000Z-File:Martian_Dust_Devil_Trails.jpg_to_appear_as_POTD_soon"></span> </p> <div style="box-sizing: border-box; margin:0.5em; width: 600px; border: 3px #ccccff solid; padding: 11px; text-align: center; background-color: white;"> <div style="margin-bottom: 0.3em; font-size: 150%;"><a href="/wiki/Wikipedia:Picture_of_the_day" title="Wikipedia:Picture of the day">Picture of the day</a> </div> <div style="display: inline-block; width: 300px; vertical-align: middle;"><span typeof="mw:File"><a href="/wiki/File:Martian_Dust_Devil_Trails.jpg" class="mw-file-description" title="Martian dust devil trails"><img alt="Martian dust devil trails" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Martian_Dust_Devil_Trails.jpg/350px-Martian_Dust_Devil_Trails.jpg" decoding="async" width="350" height="263" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Martian_Dust_Devil_Trails.jpg/525px-Martian_Dust_Devil_Trails.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Martian_Dust_Devil_Trails.jpg/700px-Martian_Dust_Devil_Trails.jpg 2x" data-file-width="2560" data-file-height="1920"/></a></span> </div> <div style="display: inline-block; margin-left: 4px; width: 264px; vertical-align: middle;">Trails of <a href="/wiki/Mars" title="Mars">Martian</a> <b><a href="/wiki/Dust_devil" title="Dust devil">dust devils</a></b>, which appear as dark streaks on the light surface, as seen by <i><a href="/wiki/Mars_Reconnaissance_Orbiter" title="Mars Reconnaissance Orbiter">Mars Reconnaissance Orbiter</a></i>. Dust devils are strong, well-formed, and relatively long-lived <a href="/wiki/Whirlwind" title="Whirlwind">whirlwinds</a> that can form when hot air near the surface rises quickly through a small pocket of cooler, <a href="/wiki/Atmospheric_pressure" title="Atmospheric pressure">low-pressure</a> air above it. On Mars, dust devils have unexpectedly cleaned the <a href="/wiki/Solar_panel" title="Solar panel">solar panels</a> of the <a href="/wiki/Mars_rover" title="Mars rover">Mars rovers</a>.<small style="display: block; margin-top: 0.8em;">Photo: <a href="/wiki/NASA" title="NASA">NASA</a>/<a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">JPL</a>/<a href="/wiki/University_of_Arizona" title="University of Arizona">University of Arizona</a></small> <div class="noprint" style="margin-top: 0.2em; font-size: 85%;"><a href="/wiki/Wikipedia:Picture_of_the_day/November_2024" title="Wikipedia:Picture of the day/November 2024">Archive</a> – <a href="/wiki/Wikipedia:Featured_pictures" title="Wikipedia:Featured pictures">More featured pictures...</a> </div> </div> </div> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012" data-mw-thread-id="h-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012-2012-05-12T03:36:00.000Z"><span id="Dust_devils_do_damage_in_Las_Vegas.2C_NV.2C_on_May_8.2C_2012"></span><span data-mw-comment-start="" id="h-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012-2012-05-12T03:36:00.000Z"></span>Dust devils do damage in Las Vegas, NV, on May 8, 2012<span data-mw-comment-end="h-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012-2012-05-12T03:36:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=17" title="Edit section: Dust devils do damage in Las Vegas, NV, on May 8, 2012"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-70.180.188.238-2012-05-12T03:36:00.000Z-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012"></span>Here are some links for the dust devils that damaged a Family Dollar store and some other random damage in Las Vegas, NV, recently. Not sure how to use these in the article. Let somebody else handle that. </p><p><a rel="nofollow" class="external free" href="http://www.8newsnow.com/story/18216176/residents-clean-up-after-wild-weather">http://www.8newsnow.com/story/18216176/residents-clean-up-after-wild-weather</a> </p><p><a rel="nofollow" class="external free" href="http://www.wrh.noaa.gov/vef/projects/Destructive%20Dust%20Devils.pdf">http://www.wrh.noaa.gov/vef/projects/Destructive%20Dust%20Devils.pdf</a> </p><p><a href="/wiki/Special:Contributions/70.180.188.238" title="Special:Contributions/70.180.188.238">70.180.188.238</a> (<a href="/wiki/User_talk:70.180.188.238" title="User talk:70.180.188.238">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-70.180.188.238-2012-05-12T03:36:00.000Z-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012" class="ext-discussiontools-init-timestamplink">03:36, 12 May 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-70.180.188.238-2012-05-12T03:36:00.000Z-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-70.180.188.238-2012-05-12T03:36:00.000Z-Dust_devils_do_damage_in_Las_Vegas,_NV,_on_May_8,_2012"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="note_on_air_pressure" data-mw-thread-id="h-note_on_air_pressure-2016-06-28T14:23:00.000Z"><span data-mw-comment-start="" id="h-note_on_air_pressure-2016-06-28T14:23:00.000Z"></span>note on air pressure<span data-mw-comment-end="h-note_on_air_pressure-2016-06-28T14:23:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=18" title="Edit section: note on air pressure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Fencelizard-2016-06-28T14:23:00.000Z-note_on_air_pressure"></span>The main article states that warmer air rises up through cooler air and that wind blows towards the bottom of the dust devil. Wind generally blows from high pressure to low pressure. Bouyancy of the hot air requires higher pressure underneath that air to apply the upwards force, but wind blowing towards the base seems to indicate lower pressure there. The article does mention hot air being stretched out vertically, though, which seems to explain this. The collumn of hot air reaches all the way down to the layer of heated air at the surface, so the heated air from the surface is rising as it expands, rather than the other way around. I mention this because the main article states that the warmer air loses it's bouyancy at some point. I wonder if the word bouyancy really applies at all. Air blowing across the surface towards the dust devil gains heat and therefore either pressure or volume. Outflow at the top of the dust devil increases pressure above the surrounding surface enough to keep the heated surface air from gaining volume. At the dust devil, that heated air gains volume as it expands upwards, so the bottom of the dust devil has higher pressure than the air above it, but less pressure than the surrounding surface air. Wind blows from high to low pressure. <a href="/wiki/User:Fencelizard" title="User:Fencelizard">Fencelizard</a> (<a href="/wiki/User_talk:Fencelizard" title="User talk:Fencelizard">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-Fencelizard-2016-06-28T14:23:00.000Z-note_on_air_pressure" class="ext-discussiontools-init-timestamplink">14:23, 28 June 2016 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Fencelizard-2016-06-28T14:23:00.000Z-note_on_air_pressure"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Fencelizard-2016-06-28T14:23:00.000Z-note_on_air_pressure"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="External_links_modified" data-mw-thread-id="h-External_links_modified-2017-05-21T17:57:00.000Z"><span data-mw-comment-start="" id="h-External_links_modified-2017-05-21T17:57:00.000Z"></span>External links modified<span data-mw-comment-end="h-External_links_modified-2017-05-21T17:57:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=19" title="Edit section: External links modified"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-InternetArchiveBot-2017-05-21T17:57:00.000Z-External_links_modified"></span>Hello fellow Wikipedians, </p><p>I have just modified 2 external links on <a href="/wiki/Dust_devil" title="Dust devil">Dust devil</a>. 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I made the following changes: </p> <ul><li>Added archive <a rel="nofollow" class="external free" href="https://web.archive.org/web/20070327183634/http://jfsp.nifc.gov/conferenceproc/GISRS-12-AORadkeetal.pdf">https://web.archive.org/web/20070327183634/http://jfsp.nifc.gov/conferenceproc/GISRS-12-AORadkeetal.pdf</a> to <a rel="nofollow" class="external free" href="https://jfsp.nifc.gov/conferenceproc/GISRS-12-AORadkeetal.pdf">http://jfsp.nifc.gov/conferenceproc/GISRS-12-AORadkeetal.pdf</a></li> <li>Added archive <a rel="nofollow" class="external free" href="https://web.archive.org/web/20160406025734/http://www.lpl.arizona.edu/IMP/Matador/">https://web.archive.org/web/20160406025734/http://www.lpl.arizona.edu/IMP/Matador/</a> to <a rel="nofollow" class="external free" href="http://www.lpl.arizona.edu/IMP/Matador/">http://www.lpl.arizona.edu/IMP/Matador/</a></li></ul> <p>When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs. </p><p>This message was posted before February 2018. <a href="/wiki/Wikipedia:Village_pump_(proposals)/Archive_145#Disable_messages_left_by_InternetArchiveBot" title="Wikipedia:Village pump (proposals)/Archive 145">After February 2018</a>, "External links modified" talk page sections are no longer generated or monitored by <b><span style="color:darkgrey;font-family:monospace">InternetArchiveBot</span></b>. 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Is this claim right or wrong? --<a href="/wiki/User:KnightMove" title="User:KnightMove">KnightMove</a> (<a href="/wiki/User_talk:KnightMove" title="User talk:KnightMove">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Dust_devil#c-KnightMove-2017-05-23T12:18:00.000Z-Duster?" class="ext-discussiontools-init-timestamplink">12:18, 23 May 2017 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-KnightMove-2017-05-23T12:18:00.000Z-Duster?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-KnightMove-2017-05-23T12:18:00.000Z-Duster?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="External_links_modified_(January_2018)" data-mw-thread-id="h-External_links_modified_(January_2018)-2018-01-22T11:29:00.000Z"><span id="External_links_modified_.28January_2018.29"></span><span data-mw-comment-start="" id="h-External_links_modified_(January_2018)-2018-01-22T11:29:00.000Z"></span>External links modified (January 2018)<span data-mw-comment-end="h-External_links_modified_(January_2018)-2018-01-22T11:29:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Dust_devil&action=edit&section=21" title="Edit section: External links modified (January 2018)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-InternetArchiveBot-2018-01-22T11:29:00.000Z-External_links_modified_(January_2018)"></span>Hello fellow Wikipedians, </p><p>I have just modified one external link on <a href="/wiki/Dust_devil" title="Dust devil">Dust devil</a>. 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I made the following changes: </p> <ul><li>Added archive <a rel="nofollow" class="external free" href="https://web.archive.org/web/20090130003357/http://amsglossary.allenpress.com/glossary/search?id=dust-devil1">https://web.archive.org/web/20090130003357/http://amsglossary.allenpress.com/glossary/search?id=dust-devil1</a> to <a rel="nofollow" class="external free" href="http://amsglossary.allenpress.com/glossary/search?id=dust-devil1">http://amsglossary.allenpress.com/glossary/search?id=dust-devil1</a></li></ul> <p>When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs. </p><p>This message was posted before February 2018. <a href="/wiki/Wikipedia:Village_pump_(proposals)/Archive_145#Disable_messages_left_by_InternetArchiveBot" title="Wikipedia:Village pump (proposals)/Archive 145">After February 2018</a>, "External links modified" talk page sections are no longer generated or monitored by <b><span style="color:darkgrey;font-family:monospace">InternetArchiveBot</span></b>. 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