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href="/wiki/United_States" title="United States">United States</a> when minor flooding at formal forecast points with <a href="/wiki/River" title="River">river</a> gaging sites and established flood stages is possible. Flooding may have many causes, such as heavy rain in the vicinity of the river, melting <a href="/wiki/Snow" title="Snow">snow</a> or <a href="/wiki/Ice_jam" title="Ice jam">ice jams</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Example">Example</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=River_flood_advisory&action=edit&section=1" title="Edit section: Example"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following is an example of a river flood advisory issued by the National Weather Service office in <a href="/wiki/Seattle" title="Seattle">Seattle, Washington</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <pre>WGUS86 KSEW 270003 FLSSEW FLOOD ADVISORY NATIONAL WEATHER SERVICE SEATTLE WA 403 PM PST SAT APR 26 2005 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD ADVISORY FOR THE FOLLOWING RIVER IN WESTERN WASHINGTON... SKOKOMISH RIVER NEAR POTLACH AFFECTING MASON COUNTY . FLOOD BULLETIN NO. 1 HEAVY RAIN WILL FALL OVER THE SOUTHERN OLYMPICS TODAY. THE SNOW LEVEL WILL BE 5000 TO 6000 FEET. TWO TO THREE INCHES OF RAIN ARE POSSIBLE TODAY. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS...THIS IS THE CAUSE OF MOST FLOOD RELATED DEATHS IN WASHINGTON. WAC045-270630- /O.NEW.KSEW.FL.Y.0003.050427T0415Z-050427T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 403 PM PST SAT APR 26 2005 NATIONAL WEATHER SERVICE HAS ISSUED A * FLOOD ADVISORY FOR SKOKOMISH RIVER NEAR POTLATCH * FROM SATURDAY EVENING UNTIL EARLY SUNDAY MORNING * AT 345 PM PST SATURDAY THE STAGE WAS...13.9 FEET * FLOOD STAGE IS...16.0 FEET * FORECAST... CREST BELOW FLOOD STAGE NEAR 15.7 FEET AROUND 11 PM SATURDAY. THEN FALL TO 13.7 FEET SUNDAY MORNING. * AT 15.0 FEET...THE SKOKOMISH RIVER WILL LOCALY SPILL OVER ITS BANKS INTO LOW AREAS OF SKOKOMISH VALLEY. $$ WEATHER.GOV/SEATTLE </pre> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=River_flood_advisory&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Severe_weather_terminology_(United_States)" title="Severe weather terminology (United States)">Severe weather terminology (United States)</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=River_flood_advisory&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFThe_Weather_Channel" class="citation web cs1">The Weather Channel. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110712080255/http://www.weather.com/common/help/localsvr.html">"Local Severe Weather Alerts Help"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.weather.com/common/help/localsvr.html">the original</a> on 12 July 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">17 May</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Local+Severe+Weather+Alerts+Help&rft.au=The+Weather+Channel&rft_id=http%3A%2F%2Fwww.weather.com%2Fcommon%2Fhelp%2Flocalsvr.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARiver+flood+advisory" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSeattle_National_Weather_Service_Forecast_Office" class="citation web cs1">Seattle National Weather Service Forecast Office. <a rel="nofollow" class="external text" href="http://www.wrh.noaa.gov/sew/Appendixes/AppendixH-product_examples.pdf">"River Flood Advisory (FLS)"</a> <span class="cs1-format">(PDF)</span>. <i>Appendix H – Products Examples – Watches, Warnings, Advisories, and Statements</i><span class="reference-accessdate">. Retrieved <span class="nowrap">17 May</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Appendix+H+%E2%80%93+Products+Examples+%E2%80%93+Watches%2C+Warnings%2C+Advisories%2C+and+Statements&rft.atitle=River+Flood+Advisory+%28FLS%29&rft.au=Seattle+National+Weather+Service+Forecast+Office&rft_id=http%3A%2F%2Fwww.wrh.noaa.gov%2Fsew%2FAppendixes%2FAppendixH-product_examples.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARiver+flood+advisory" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=River_flood_advisory&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" 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.navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Severe_weather_terminology_(United_States)_navbox" title="Template:Severe weather terminology (United States) navbox"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Severe_weather_terminology_(United_States)_navbox" title="Template talk:Severe weather terminology (United States) navbox"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Severe_weather_terminology_(United_States)_navbox" title="Special:EditPage/Template:Severe weather terminology (United States) navbox"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Severe_weather_terminology_in_the_United_States450" style="font-size:114%;margin:0 4em"><a href="/wiki/Severe_weather_terminology_(United_States)" title="Severe weather terminology (United States)">Severe weather terminology</a> in the <a href="/wiki/United_States" title="United States">United States</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Severe<br />storms</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Severe_thunderstorm" class="mw-redirect" title="Severe thunderstorm">Thunderstorm</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Significant_weather_advisory" title="Significant weather advisory">Advisory</a></li> <li><a href="/wiki/Severe_thunderstorm_watch" title="Severe thunderstorm watch">Watch</a></li> <li><a href="/wiki/Particularly_dangerous_situation" title="Particularly dangerous situation">PDS watch</a></li> <li><a href="/wiki/Severe_thunderstorm_warning" title="Severe thunderstorm warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Tornado" title="Tornado">Tornado</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Tornado_watch" title="Tornado watch">Watch</a></li> <li><a href="/wiki/Particularly_dangerous_situation" title="Particularly dangerous situation">PDS watch</a></li> <li><a href="/wiki/Tornado_warning" title="Tornado warning">Warning</a></li> <li><a href="/wiki/Particularly_dangerous_situation" title="Particularly dangerous situation">PDS warning</a></li> <li><a href="/wiki/Tornado_emergency" title="Tornado emergency">Emergency</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Marine thunderstorm</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Special_marine_warning" title="Special marine warning">Special marine warning</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Winter<br />weather</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Advisories</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Winter_weather_advisory" title="Winter weather advisory">Winter weather advisory</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Winter_storm" title="Winter storm">Winter storm</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Winter_storm_watch" title="Winter storm watch">Watch</a></li> <li><a href="/wiki/Winter_storm_warning" title="Winter storm warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Blizzard" title="Blizzard">Blizzard/blowing snow</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blowing_snow_advisory" title="Blowing snow advisory">Blowing snow advisory</a></li> <li><a href="/wiki/Blizzard_watch" title="Blizzard watch">Blizzard watch</a></li> <li><a href="/wiki/Blizzard_warning" title="Blizzard warning">Blizzard warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Heavy snow</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Heavy_snow_warning" title="Heavy snow warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Lake-effect_snow" title="Lake-effect snow">Lake-effect snow</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_effect_snow_advisory" title="Lake effect snow advisory">Advisory</a></li> <li><a href="/wiki/Lake_effect_snow_watch" title="Lake effect snow watch">Watch</a></li> <li><a href="/wiki/Lake_effect_snow_warning" title="Lake effect snow warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Snow_squall" title="Snow squall">Snow squall</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Snow_squall_warning" title="Snow squall warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Ice_storm" title="Ice storm">Ice</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Freezing_rain_advisory" title="Freezing rain advisory">Freezing rain advisory</a></li> <li><a href="/wiki/Ice_storm_warning" title="Ice storm warning">Ice storm warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Avalanche" title="Avalanche">Avalanche</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Severe_weather_terminology_(United_States)#Non-meteorological_hazards_and_administrative_messages" title="Severe weather terminology (United States)">Warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Non-meteorological_hazards_and_administrative_messages" title="Severe weather terminology (United States)">Watch</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Non-meteorological_hazards_and_administrative_messages" title="Severe weather terminology (United States)">Advisory</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Tropical_cyclone_warnings_and_watches" title="Tropical cyclone warnings and watches">Tropical<br />cyclones</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Tropical_storm" class="mw-redirect" title="Tropical storm">Tropical storms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Tropical_storm_watch" class="mw-redirect" title="Tropical storm watch">Watch</a></li> <li><a href="/wiki/Tropical_storm_warning" class="mw-redirect" title="Tropical storm warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Hurricane" class="mw-redirect" title="Hurricane">Hurricanes</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hurricane_watch" class="mw-redirect" title="Hurricane watch">Watch</a></li> <li><a href="/wiki/Hurricane_force_wind_warning" title="Hurricane force wind warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Typhoon" title="Typhoon">Typhoons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Typhoon_watch" class="mw-redirect" title="Typhoon watch">Watch</a></li> <li><a href="/wiki/Typhoon_warning" class="mw-redirect" title="Typhoon warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Cyclone" title="Cyclone">Cyclones</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cyclone_watch" class="mw-redirect" title="Cyclone watch">Watch</a></li> <li><a href="/wiki/Cyclone_warning" class="mw-redirect" title="Cyclone warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Storm_surge" title="Storm surge">Storm surge</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Storm_surge_watch" class="mw-redirect" title="Storm surge watch">Watch</a></li> <li><a href="/wiki/Storm_surge_warning" class="mw-redirect" title="Storm surge warning">Warning</a></li></ul> </div></td></tr></tbody></table><div> <ul><li><a href="/wiki/Hurricane_local_statement" title="Hurricane local statement">Hurricane local statement</a></li> <li><a href="/wiki/Tropical_storm_local_statement" class="mw-redirect" title="Tropical storm local statement">Tropical storm local statement</a></li> <li><a href="/wiki/Tropical_depression_local_statement" class="mw-redirect" title="Tropical depression local statement">Tropical depression local statement</a></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Flood" title="Flood">Flood</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Flood" title="Flood">Flood</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <li><a href="/wiki/Flood_watch" class="mw-redirect" title="Flood watch">Watch</a></li> <li><a href="/wiki/Flood_warning" title="Flood warning">Warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Flooding" title="Severe weather terminology (United States)">Advisory</a></li> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Flash_flood" title="Flash flood">Flash flood</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Flash_flood_watch" title="Flash flood watch">Watch</a></li> <li><a href="/wiki/Particularly_dangerous_situation" title="Particularly dangerous situation">PDS watch</a></li> <li><a href="/wiki/Flash_flood_warning" title="Flash flood warning">Warning</a></li> <li><a href="/wiki/Flash_flood_warning" title="Flash flood warning">Emergency</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Coastal_flood" class="mw-redirect" title="Coastal flood">Coastal flood</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coastal_flood_advisory" title="Coastal flood advisory">Advisory</a></li> <li><a href="/wiki/Coastal_flood_watch" title="Coastal flood watch">Watch</a></li> <li><a href="/wiki/Coastal_flood_warning" title="Coastal flood warning">Warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Statement</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Lakeshore flood</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Advisory</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Watch</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Statement</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">River flood</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Advisory</a></li> <li><a href="/wiki/River_flood_watch" title="River flood watch">Watch</a></li> <li><a href="/wiki/River_flood_warning" title="River flood warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Urban and small stream flood</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Urban_and_small_stream_flood_advisory" title="Urban and small stream flood advisory">Advisory</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Apparent_temperature" title="Apparent temperature">Apparent<br />temperature</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Heat_index" title="Heat index">Heat index</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Heat_advisory" title="Heat advisory">Heat advisory</a></li> <li><a href="/wiki/Excessive_heat_watch" title="Excessive heat watch">Excessive heat watch</a></li> <li><a href="/wiki/Excessive_heat_warning" class="mw-redirect" title="Excessive heat warning">Excessive heat warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Wind_chill" title="Wind chill">Wind chill</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cold_weather_advisory" title="Cold weather advisory">Cold Weather Advisory</a></li> <li><a href="/wiki/Extreme_cold_watch" title="Extreme cold watch">Extreme Cold Watch</a></li> <li><a href="/wiki/Extreme_cold_warning" title="Extreme cold warning">Extreme Cold Warning</a></li> <li><a href="/wiki/Particularly_dangerous_situation" title="Particularly dangerous situation">PDS warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Extreme cold</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extreme_cold_warning" title="Extreme cold warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Freeze</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Freeze_watch" title="Freeze watch">Watch</a></li> <li><a href="/wiki/Freeze_warning" title="Freeze warning">Warning</a></li> <li><a href="/wiki/Hard_freeze_warning" class="mw-redirect" title="Hard freeze warning">Hard freeze warning</a></li> <li><a href="/wiki/Frost_advisory" class="mw-redirect" title="Frost advisory">Frost advisory</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Deprecated" title="Severe weather terminology (United States)">Hard freeze watch</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Maritime<br />and<br />coastal<br />weather</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Marine winds</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Small_craft_advisory" title="Small craft advisory">Small craft advisory</a></li> <li><a href="/wiki/Brisk_wind_advisory" class="mw-redirect" title="Brisk wind advisory">Brisk wind advisory</a></li> <li><a href="/wiki/Lake_wind_advisory" title="Lake wind advisory">Lake wind advisory</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Gale" title="Gale">Gale</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gale_watch" title="Gale watch">Watch</a></li> <li><a href="/wiki/Gale_warning" title="Gale warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Storm</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Storm_watch" class="mw-redirect" title="Storm watch">Watch</a></li> <li><a href="/wiki/Storm_warning" title="Storm warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Hurricane-force wind</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hurricane_force_wind_warning" title="Hurricane force wind warning">Warning</a></li> <li><a href="/wiki/Hurricane_force_wind_watch" class="mw-redirect" title="Hurricane force wind watch">Watch</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Hazardous seas</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hazardous_seas_watch" title="Hazardous seas watch">Watch</a></li> <li><a href="/wiki/Hazardous_seas_warning" title="Hazardous seas warning">Warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Freezing spray</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Freezing_spray_advisory" title="Freezing spray advisory">Freezing spray advisory</a></li> <li><a href="/wiki/Heavy_freezing_spray_watch" title="Heavy freezing spray watch">Heavy freezing spray watch</a></li> <li><a href="/wiki/Heavy_freezing_spray_warning" title="Heavy freezing spray warning">Heavy freezing spray warning</a></li></ul> </div></td></tr></tbody></table><div> <ul><li><a href="/wiki/Marine_weather_statement" class="mw-redirect" title="Marine weather statement">Marine weather statement</a></li> <li><a href="/wiki/Rip_current_statement" title="Rip current statement">Rip current statement</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">Beach hazards statement</a></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">High surf</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <li><a href="/wiki/High_surf_advisory" class="mw-redirect" title="High surf advisory">High surf advisory</a></li> <li><a href="/wiki/High_surf_warning" class="mw-redirect" title="High surf warning">High surf warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Coastal/lakeshore_hazards" title="Severe weather terminology (United States)">High surf watch</a></li> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Wind</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Advisory-force winds</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wind_advisory" title="Wind advisory">Wind advisory</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Gale" title="Gale">Gale</a>-force winds</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/High_wind_watch" class="mw-redirect" title="High wind watch">High wind watch</a></li> <li><a href="/wiki/High_wind_warning" class="mw-redirect" title="High wind warning">High wind warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Major hurricane-force winds</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extreme_wind_warning" title="Extreme wind warning">Extreme wind warning</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Particulates" title="Particulates">Airborne<br />particulates</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Dust/sand</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blowing_dust_advisory" class="mw-redirect" title="Blowing dust advisory">Blowing dust advisory</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Other_hazards" title="Severe weather terminology (United States)">Blowing dust warning</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Other_hazards" title="Severe weather terminology (United States)">Dust advisory</a></li> <li><a href="/wiki/Dust_storm_warning" title="Dust storm warning">Dust storm warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Fog" title="Fog">Fog</a>/<a href="/wiki/Smoke" title="Smoke">Smoke</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dense_fog_advisory" class="mw-redirect" title="Dense fog advisory">Dense fog advisory</a></li> <li><a href="/wiki/Dense_smoke_advisory" class="mw-redirect" title="Dense smoke advisory">Dense smoke advisory</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Volcanic_ash" title="Volcanic ash">Ash</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ashfall_advisory" title="Ashfall advisory">Ashfall advisory</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Other_hazards" title="Severe weather terminology (United States)">Ashfall warning</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Air_pollution" title="Air pollution">Air pollution</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_stagnation_advisory" class="mw-redirect" title="Air stagnation advisory">Air stagnation advisory</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Other_hazards" title="Severe weather terminology (United States)">Air quality alert</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Wildfire" title="Wildfire">Fire</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Red_flag_warning" title="Red flag warning">Red flag warning</a></li> <li><a href="/wiki/Fire_warning" title="Fire warning">Fire warning</a></li> <li><a href="/wiki/Evacuation_immediate" title="Evacuation immediate">Evacuation immediate</a></li> <li><a href="/wiki/Severe_weather_terminology_(United_States)#Fire_weather" title="Severe weather terminology (United States)">Fire weather watch</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;"><a href="/wiki/Aviation_meteorology" class="mw-redirect" title="Aviation meteorology">Aviation</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SIGMET" title="SIGMET">SIGMET</a></li> <li><a href="/wiki/Volcanic_Ash_Advisory_Center#Alerts" title="Volcanic Ash Advisory Center">Volcanic ash advisory</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Weather scales<br />used by NWS</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Beaufort_scale" title="Beaufort scale">Beaufort</a> (wind)</li> <li><a href="/wiki/Enhanced_Fujita_scale" title="Enhanced Fujita scale">Enhanced Fujita</a> (tornadoes)</li> <li><a href="/wiki/Saffir%E2%80%93Simpson_scale" title="Saffir–Simpson scale">Saffir–Simpson scale</a> (tropical cyclones)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:1.3em;">Other</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Special_weather_statement" title="Special weather statement">Special weather statement</a></li> <li><a href="/wiki/Severe_weather_statement" class="mw-redirect" title="Severe weather statement">Severe weather statement</a></li> <li><a href="/wiki/Hazardous_weather_outlook" title="Hazardous weather outlook">Hazardous weather outlook</a></li></ul> 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