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<!doctype html><html lang=en><title>Aviation Weather Center</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no,viewport-fit=cover"><meta name=description content="How can the Aviation Weather Center help you? AWC provides comprehensive user-friendly aviation weather information."><link rel=preconnect href=https://fonts.gstatic.com><link href="https://fonts.googleapis.com/css2?family=Lato&display=swap" rel=stylesheet><link rel=icon href=/favicon.ico sizes=any><link rel=icon href=/img/icons/noaa-logo-180.png type=image/png><link rel=apple-touch-icon href=/img/apple-touch-icon.png><link rel=stylesheet href=/css/bootstrap-nightshade.css><link rel=stylesheet href=/css/bootstrap-icons.css><link rel=stylesheet media=all href=/css/awc-custom.css><link rel=manifest crossorigin=use-credentials href=/manifest.json><style>body{font-family:lato,Arial,Verdana,Helvetica,sans-serif}.nws_logo{height:40px}.carousel-main{filter:invert(100%)}.navbar-brand a{color:#fff;text-decoration:none;font-size:1.5rem}.d-light-inline{display:inline!important}.d-dark-inline{display:none!important}html.dark .d-light-inline{display:none!important}html.dark .d-dark-inline{display:inline!important}</style><script 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data-bs-toggle=dropdown aria-haspopup=true aria-expanded=false style=font-size:1.5em;margin-right:0><span class="text-white d-none d-lg-inline awcName d-print-inline">Aviation Weather Center</span> <span class="text-white d-sm-inline d-lg-none d-print-none awcName">AWC</span></a><div class=dropdown-menu aria-labelledby=dropdown-weather><a class=dropdown-item href=/><img src=/img/icons/awc-logo-180.png class=me-2 style=height:1em alt>Aviation Weather Center</a> <a class=dropdown-item href=https://weather.gov/><img src=/img/icons/nws-logo-180.png class=me-2 style=height:1em alt>National Weather Service</a><hr class=dropdown-divider><button class=dropdown-item data-bs-toggle=modal data-bs-target=#contactus style=cursor:pointer> <i class="bi bi-envelope-fill me-2" aria-hidden=true></i>Contact Us</button> <a class=dropdown-item href=/help><i class="bi bi-question-lg me-2" aria-hidden=true></i>Help Information</a> <button class=dropdown-item id=darkModeToggle><i class="bi bi-moon-fill me-2" aria-hidden=true></i>Toggle dark mode</button><hr class=dropdown-divider><a class="dropdown-item d-none admin-tools" href=/admin/><i class="bi bi-tools me-2" title aria-hidden=true></i>Admin</a> <button class="dropdown-item signinBtn"> <i class="bi bi-door-open-fill me-2"></i>Sign <span class=inout>in</span></button></div></div></div><div class="navbar-nav d-xs-inline d-sm-none ms-auto me-2 p-1"></div><ul class="navbar-nav me-2 p-1 d-print-none"><li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href=# id=dropdown-weather data-bs-toggle=dropdown aria-haspopup=true aria-expanded=false><i class="bi bi-thermometer-sun me-2 d-md-none" aria-hidden=true></i><span class="d-none d-md-inline">Weather</span></a><div class="dropdown-menu dropdown-menu-end dropdown-menu-sm-start" aria-labelledby=dropdown-weather><a class="dropdown-item tabitem" id=tabitem-obs data-tab=obs title=Observations href=/gfa/#obs><i class="bi bi-thermometer-sun me-2" aria-hidden=true></i>Observations</a><hr class=dropdown-divider><div class="text-center pb-1 w-100"><small>GFA FORECAST</small></div><a class="dropdown-item tabitem" id=tabitem-cigvis data-tab=cigvis title="Ceiling and visibility forecast" href=/gfa/#cigvis><i class="bi bi-cloud-haze-fill me-2" aria-hidden=true></i>Ceiling & Visibility</a> <a class="dropdown-item tabitem" id=tabitem-clouds data-tab=clouds title="Cloud forecast" href=/gfa/#clouds><i class="bi bi-clouds-fill me-2" aria-hidden=true></i>Clouds</a> <a class="dropdown-item tabitem" id=tabitem-pcpn data-tab=pcpn title="Precipitation forecast" href=/gfa/#pcpn><i class="bi bi-cloud-rain-fill me-2" aria-hidden=true></i>Precipitation</a> <a class="dropdown-item tabitem" id=tabitem-thunder data-tab=thunder title="Thunder forecast" href=/gfa/#thunder><i class="bi bi-cloud-lightning-rain-fill me-2" aria-hidden=true></i>Thunderstorms</a> <a class="dropdown-item tabitem" id=tabitem-temps data-tab=temps title="Temperature forecast" href=/gfa/#temps><i class="bi bi-thermometer-half me-2" aria-hidden=true></i>Temperature</a> <a class="dropdown-item tabitem" id=tabitem-winds data-tab=winds title="Wind forecast" href=/gfa/#winds><i class="bi bi-wind me-2" aria-hidden=true></i>Winds</a> <a class="dropdown-item tabitem" id=tabitem-turb data-tab=turb title="Turbulence forecast" href=/gfa/#turb><i class="bi bi-water me-2" aria-hidden=true></i>Turbulence</a> <a class="dropdown-item tabitem" id=tabitem-ice data-tab=ice title="Aircraft Icing Forecast" href=/gfa/#ice><i class="bi bi-snow me-2" aria-hidden=true></i>Icing</a></div><li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href=# id=dropdown-products data-bs-toggle=dropdown aria-haspopup=true aria-expanded=false><i class="bi bi-exclamation-diamond-fill me-2 d-md-none" aria-hidden=true></i><span class="d-none d-md-inline">Products</span></a><div class="dropdown-menu dropdown-menu-end dropdown-menu-sm-start" aria-labelledby=dropdown-products><a class="dropdown-item tabitem" id=tabitem-sigmet data-tab=sigmet title="SIGMET map" href=/gfa/#sigmet><i class="bi bi-exclamation-diamond-fill me-2" aria-hidden=true></i>SIGMET</a> <a class="dropdown-item tabitem" id=tabitem-gairmet data-tab=gairmet title="G-AIRMET/AIRMET map" href=/gfa/#gairmet><i class="bi bi-exclamation-triangle me-2" aria-hidden=true></i>G-AIRMET</a> <a class="dropdown-item tabitem" id=tabitem-cwa data-tab=cwa title="Center Weather Advisories" href=/gfa/#cwa><i class="bi bi-cone-striped me-2" aria-hidden=true></i>Center Weather Adv</a><hr class=dropdown-divider><a class="dropdown-item tabitem" data-tab=progchart title="Prog chart with fronts and pressure centers" id=tabitem-progchart href=/gfa/#progchart><i class="bi bi-map me-2"></i>Prog charts</a> <a class="dropdown-item tabitem" data-tab=taf title="TAF map" id=tabitem-taf href=/gfa/#taf><i class="bi bi-map-fill me-2" aria-hidden=true></i>TAF map</a> <a class="dropdown-item tabitem" data-tab=afd href=/gfa/#afd id=tabitem-afd><i class="bi bi-mic-fill me-2" title=afd aria-hidden=true></i>Forecast Discussions</a><hr class=dropdown-divider><a class=dropdown-item title="METAR data" href=/data/metar/><i class="bi bi-card-list me-2" aria-hidden=true></i>METAR data</a> <a class=dropdown-item title="TAF data" href=/data/taf/><i class="bi bi-card-list me-2" aria-hidden=true></i>TAF data</a> <a class=dropdown-item title="PIREP data" href=/data/pirep/><i class="bi bi-card-list me-2" aria-hidden=true></i>PIREP data</a> <a class=dropdown-item title="Wind/temp data" href=/data/windtemp/><i class="bi bi-card-list me-2" aria-hidden=true></i>Wind/temp data</a> <a class=dropdown-item title="ITWS data" href=/data/itws/><i class="bi bi-card-list me-2" aria-hidden=true></i>ITWS data</a><hr class=dropdown-divider><a class=dropdown-item title="World Area Forecast System" href=/wafs/><i class="bi bi-globe me-2" title=wafs aria-hidden=true></i>WAFS grids</a> <a class=dropdown-item title="TCF/eTCF/ECFP Convective Forecasts" href=/tcf/><i class="bi bi-cloud-lightning-fill me-2" aria-hidden=true></i>TFM Convective Forecasts</a></div><li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href=# id=dropdown-tools data-bs-toggle=dropdown aria-haspopup=true aria-expanded=false><i class="bi bi-tools me-2 d-md-none" aria-hidden=true></i><span class="d-none d-md-inline">Tools</span></a><div class="dropdown-menu dropdown-menu-end dropdown-menu-sm-start" id=tools aria-labelledby=dropdown-tools><a class=dropdown-item href=/impactboard/><i class="bi bi-table me-2" title=tafboard aria-hidden=true></i>Terminal Weather Dashboard</a> <a class=dropdown-item href=/winterboard/><i class="bi bi-snow2 me-2" title=winterweather aria-hidden=true></i>Winter Weather Dashboard</a> <a class=dropdown-item href=/trafficflowmgmt/><i class="bi bi-stoplights-fill me-2" title="Fax charts" aria-hidden=true></i>Traffic Flow Management Portal</a> <a class="dropdown-item tabitem" id=tabitem-pro data-tab=pro href=/gfa/#pro><i class="bi bi-map me-2"></i>Advanced Map</a><hr class=dropdown-divider><a class=dropdown-item href=/graphics/><i class="bi bi-image me-2" title=IDSS aria-hidden=true></i>Decision support imagery</a> <a class=dropdown-item href=/fax/><i class="bi bi-file-richtext me-2" title="Fax charts" aria-hidden=true></i>Fax charts</a> <a class=dropdown-item href=/tools/archive/><i class="bi bi-calendar3 me-2" title aria-hidden=true></i>Archive View</a> <a class=dropdown-item href=/data/api/><i class="bi bi-cloud-download me-2" title=data aria-hidden=true></i>Data API</a> <a class=dropdown-item href=/tools/status/><i class="bi bi-speedometer me-2" title aria-hidden=true></i>Status</a><hr class=dropdown-divider><button class=dropdown-item id=toggle_pirep><i class="bi bi-flag-fill me-2"></i>Submit a PIREP</button><div class="gateedit d-none"><a class=dropdown-item href=/gate><i class="bi bi-globe me-2" title=gate_edit aria-hidden=true></i>Edit Gate Forecast</a></div></div><li class="nav-item dropdown d-none d-sm-inline"><a class="nav-link dropdown-toggle" href=# id=dropdown-socialmedia data-bs-toggle=dropdown aria-haspopup=true aria-expanded=false><i class="bi bi-reception-4 me-2 d-md-none" aria-hidden=true></i><span class="d-none d-md-inline">Connect</span></a><div class="dropdown-menu dropdown-menu-end dropdown-menu-sm-start" aria-labelledby=dropdown-socialmedia><a class=dropdown-item href="/help?tab=about"><img src=/img/icons/awc-logo-180.png class=me-2 style=height:1em alt>About AWC</a><hr class=dropdown-divider><a class=dropdown-item href=https://www.twitter.com/NWSAWC><i class="bi bi-twitter me-2" title=Twitter aria-hidden=true></i>Twitter</a> <a class=dropdown-item href=https://www.facebook.com/US.NOAA.AviationWeatherCenter><i class="bi bi-facebook me-2" title=Facebook aria-hidden=true></i>Facebook</a> <a class=dropdown-item href=https://www.youtube.com/channel/UCTkOiARzQrs0DiEHPr-vqYg><i class="bi bi-youtube me-2" title=Youtube aria-hidden=true></i>YouTube</a><hr class=dropdown-divider><a class="dropdown-item collab d-none" data-collab=sigmet href=/sigmet/><i class="bi bi-exclamation-diamond-fill me-2" aria-hidden=true></i>SIGMET Preview</a> <a class="dropdown-item collab d-none" data-collab=tcf href=/tcf/whiteboard/><i class="bi bi-cloud-lightning me-2" aria-hidden=true></i>TCF Whiteboard</a> <a class="dropdown-item collab d-none" data-collab=sigwx href=/sigwx/whiteboard/><i class="bi bi-globe me-2" aria-hidden=true></i>SigWx Whiteboard</a> <a class=dropdown-item href=https://testbed.aviationweather.gov/><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 8 8" width="16" class="me-2"><path d="M1.344.0A.502.502.0 001.5 1H2v1.406C1.912 2.578.806 4.719.344 5.5c-.153.268-.344.612-.344 1.063.0.383.139.764.406 1.031.26.26.643.406 1.031.406h5.125c.383.0.764-.139 1.031-.406.26-.26.406-.643.406-1.031.0-.452-.194-.801-.344-1.063-.463-.78-1.568-2.922-1.656-3.094V1h.5a.5.5.0 100-1h-5a.5.5.0 00-.094.0.502.502.0 00-.063.0zM3 1h2v1.625l.063.094S5.715 3.952 6.282 5H1.719c.567-1.049 1.219-2.281 1.219-2.281l.063-.094V1z" fill="currentcolor"/></svg>Aviation Weather Testbed</a></div></ul><ul class="navbar-nav nav-icons d-none d-sm-flex ms-auto flex-row d-print-none justify-content-around" id=staticons><li class="nav-item text-white p-1"><span class=nav-link id=clock></span></ul><ul class="navbar-nav nav-icons d-none d-md-flex d-print-none" id=navicons><li class="nav-item p-1"><a class="nav-link tt" data-bs-toggle=modal data-bs-target=#contactus style=cursor:pointer title="Contact Us"><i class="bi bi-envelope-fill fs-5"></i></a><li class="nav-item dropdown p-1"><a class=nav-link id=dropdown-signin href=# data-bs-toggle=dropdown aria-expanded=false style=cursor:pointer><i id=icon-person class="tt bi bi-person-fill" data-bs-placement=bottom title="Not logged in"></i></a><div class="dropdown-menu dropdown-menu-end" aria-labelledby=dropdown-signin><button class="dropdown-item signinBtn"> <i class="bi bi-door-open-fill me-2"></i>Sign <span class=inout>in</span></button> <a class="dropdown-item d-none" id=user-tools href=/user/><i class="bi bi-gear-fill me-2" title aria-hidden=true></i>Settings</a> <a class="dropdown-item d-none admin-tools" href=/admin/><i class="bi bi-tools me-2" title aria-hidden=true></i>Admin</a> <button class=dropdown-item><i class="bi bi-sun-fill float-start me-2"></i><span class="form-check form-switch d-inline float-start"><input class=form-check-input id=darkmodeCheck type=checkbox><i class="bi bi-moon-stars-fill me-2"></i></span></button></div><li class="nav-item p-1"><a class=nav-link title=Help href=/help><span class="bi bi-question-lg tt" title=Help data-bs-placement=bottom aria-hidden=true></span></a></ul></nav><div class="modal fade" id=PIREPsubmit tabindex=-1 role=dialog aria-labelledby=PIREPsubmitLabel aria-hidden=true><div class="modal-dialog modal-dialog-centered modal-dialog-scrollable" role=document><div class=modal-content><div class=modal-header><h5 class=modal-title id=PIREPsubmitLabel><i class="bi bi-flag-fill mx-2"></i>PIREP Submit</h5><button type=button class=btn-close data-bs-dismiss=modal aria-label=Close></button></div><div class=modal-body id=PIREPcontent></div><div class="modal-footer justify-content-between"><button type=button id=submit_encode class="btn btn-danger mr-auto" disabled>Encode</button> <button type=button id=submit_close class="btn btn-primary">Close</button></div></div></div></div><div class="modal fade" id=PIREPencode tabindex=-1 role=dialog aria-labelledby=PIREPencode aria-hidden=true><div class="modal-dialog modal-dialog-centered modal-dialog-scrollable" role=document><div class=modal-content><div class=modal-header><h5 class=modal-title><i class="bi bi-flag-fill mx-2"></i>PIREP Entry Results</h5><button type=button class=btn-close data-bs-dismiss=modal aria-label=Close></button></div><div class=modal-body><p>The encoded PIREP should read as follows:<p id=pirep-encoded><p class=text-danger id=pirep-urgent><p>If this is correct click SUBMIT, otherwise click BACK</div><div class="modal-footer justify-content-between"><button type=button id=encode_submit class="btn btn-danger btn mr-auto">Submit</button> <button type=button id=encode_cancel class="btn btn-primary">Back</button></div></div></div></div><div class="modal fade" id=SigninModal tabindex=-1 role=dialog aria-labelledby=SigninModal aria-hidden=true><div class="modal-dialog modal-dialog-centered modal-dialog-scrollable" role=document><div class=modal-content><div class=modal-header><h5 class=modal-title id=Signin><i class="bi bi-door-closed-fill me-2"></i>Sign in</h5><button type=button class=btn-close data-bs-dismiss=modal aria-label=Close></button></div><div class="modal-body pb-0"><form id=login-form><div class="input-group mb-3"><span class="input-group-text bg-primary"><i class="bi bi-person-plus-fill text-white"></i></span> <input id=username class=form-control name=username placeholder=username autocomplete=username required></div><div class="input-group mb-3"><span class="input-group-text bg-primary"><i class="bi bi-key-fill text-white"></i></span> <input type=password id=password class=form-control name=password placeholder=password autocomplete=current-password required> <button class="input-group-button btn btn-primary tt" type=button id=showLoginPass title="Show password"><i class="bi bi-eye-fill"></i></button></div><div class="input-group mb-3 d-none" id=totp-group><span class="input-group-text bg-primary"><i class="bi bi-lock text-white"></i></span> <input type=number autocomplete=one-time-code min=10000 max=999999 id=totp class=form-control placeholder="two-factor code"></div></form></div><div class="modal-footer justify-content-between pt-0" style=border-top:none><a href=/user/register.html class="btn btn-sm btn-light border-secondary">Register</a> <a href=/user/password.html class="btn btn-sm btn-light border-secondary ms-1">Forgot Password</a> <button id=login class="btn btn-primary ms-auto"><i class="bi bi-box-arrow-in-right me-2"></i>Login</button><hr class=w-100><p style=font-size:.6em>You are accessing a U.S. Government information system, which includes: 1) this computer, 2) this computer network, 3) all Government-furnished computers connected to this network, and 4) all Government-furnished devices and storage media attached to this network or to a computer on this network. 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Accessing and using this system indicate your understanding of this warning.</div></div></div></div></div><div class="modal fade" id=contactus tabindex=-1 role=dialog aria-labelledby=contactus aria-hidden=true><div class="modal-dialog modal-dialog-scrollable" role=document><div class=modal-content><div class=modal-header><h5 class=modal-title id=ContactUsLabel><i class="bi bi-envelope-fill mx-2"></i>Contact Us</h5><button type=button class=btn-close data-bs-dismiss=modal aria-label=Close></button></div><div class=modal-body><form class=needs-validation id=contact-form novalidate><p class=text-center>Please see our <a href=/help/#faq>FAQ</a> for common questions.<div class=row><div class=col-4><p>Name:</div><div class=col-8><div class="input-group has-validation"><input class="form-control cf" data-field=name aria-label="Text input with checkbox" required></div></div></div><div class=row><div class=col-4><p>Email:</div><div class=col-8><div class="input-group has-validation"><input type=email class="form-control cf" data-field=email aria-label="Text input with checkbox" required></div></div></div><div class=row><div class=col-4><p>Category:</div><div class=col-8><select class="form-select cf" data-field=category aria-label="Default select example"><option value=none selected>Select a category<option value=Question>Question<option value=Suggestion>Suggestion<option value=Comment>Comment<option value=Bug>Report a problem<option value=Pirep>PIREP submit<option value=WIFS>WIFS<option value=Outreach>Outreach<option value=Other>Other</select></div></div><div class=row><div class=col-4><p>Subject:</div><div class=col-8><input data-field=subject class="form-control cf" aria-label="Text input with checkbox" required></div></div><textarea class="form-control cf" data-field=message rows=3 placeholder=Message required></textarea><div class="row pt-1"><div class=col-sm><img id=contact_captcha_img width=250 alt=Captcha> <input type=hidden class=cf data-field=captcha_id></div><div class="col-sm mt-2"><p>Captcha text:<div class=input-group><input data-field=captcha_text class="form-control cf" aria-label="Text input" required> <button type=button class="input-group-button btn btn-primary tt" id=show_captcha title="New captcha image"><i class="bi bi-arrow-clockwise"></i></button></div></div></div></form></div><div class="modal-footer justify-content-between"><button type=button id=contact_submit class="btn btn-danger mr-auto">Submit</button> <button type=button class="btn btn-primary" data-bs-dismiss=modal>Close</button></div></div></div></div><div id=alert-container class=user-select-none></div><script src=/js/pirep_submit.js></script><main><div id=main-display class="container-fluid pb-4"><div class="row mb-2"><div id=carouselTopNews class="carousel slide carousel-slide user-select-none bg-secondary text-light" data-bs-ride=carousel><div class="carousel-inner py-2"><div class=container><div class="carousel-item active px-5"><div class="d-block w-100"><h4>Welcome!</h4><span class=align-middle>Aviation weather on the go -- try it on your phone or tablet!</span></div></div><div class="carousel-item px-5"><div class="d-block w-100"><h4>Where to Find Things</h4><span class=align-middle>Check out the <a class=link-light href=/help/>help pages</a> for more on how everything is organized.</span></div></div><div class="carousel-item px-5"><div class="d-block w-100"><h4>Current Weather</h4><span class=align-middle>Visit the <a class=link-light href="/gfa/?tab=obs&layers=rad,metar,airep,sigmet,prog">observation map</a> to view METARs, PIREPs, fronts, and more</span></div></div><div class="carousel-item px-5"><div class="d-block w-100"><h4>Flexible Options</h4><span class=align-middle>Customize your display! 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