Alert archive / Virginia / Flash Flood Warnings in 2010

Flash Flood Warning 33, NWS Baltimore/Washington

August 12, 2010Arlington County, City of Falls Church, Virginia

NWS Baltimore/Washington issued this flash flood warning at Aug 12, 2010, 7:23 AM EDT for Arlington County, City of Falls Church, Virginia. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 12, 2010, 7:23 AM EDT (11:23 UTC)
Expired
Aug 12, 2010, 8:15 AM EDT
In force
52 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Flood severity
None

Counties Arlington County, VA, City of Falls Church, VA

The radar

The Sterling radar (KLWX), 32 km from the middle of the area, began a volume at 11:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 3:31 AM EDT, 3 hours 52 minutes earlier.

Area forecast discussion, Aug 12, 3:31 AM EDT, 3 hours 52 minutes before
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Hazardous weather outlook, Aug 12, 3:52 AM EDT, 3 hours 31 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Aug 12, 7:03 AM EDT, 20 minutes before
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 12, 7:05 AM EDT, 18 minutes before
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
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Local storm report, Aug 12, 7:06 AM EDT, 17 minutes before
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<html lang="en">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Aug 12, 7:09 AM EDT, 14 minutes before
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<head>
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  <title>Service Notice</title>
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Aug 12, 7:11 AM EDT, 12 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Aug 12, 7:22 AM EDT, 1 minute before
<!doctype html>
<html lang="en">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 3:34 AM EDTSmall Craft AdvisoryLWX47 hr
Aug 12, 7:07 AM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church38 min
Aug 12, 7:09 AM EDTSpecial Marine WarningLWX66 min
Aug 12, 7:37 AM EDTSpecial Marine WarningLWX95 min
Aug 12, 7:40 AM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church50 min
Aug 12, 8:00 AM EDTSpecial Marine WarningLWX2 hr
Aug 12, 9:06 AM EDTSpecial Marine WarningLWX114 min
Aug 12, 2:12 PM EDTSpecial Weather StatementLWXLoudoun33 min
Aug 12, 2:32 PM EDTSpecial Weather StatementLWXFauquier28 min
Aug 12, 2:45 PM EDTSevere Thunderstorm WarningLWXFairfax, Fauquier, Loudoun, Prince William45 min
Aug 12, 3:02 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fauquier43 min
Aug 12, 3:14 PM EDTSpecial Marine WarningLWX2 hr
Aug 12, 3:31 PM EDTSevere Thunderstorm WarningLWXFairfax, Prince William, Stafford, City of Manassas, City of Manassas Park44 min
Aug 12, 3:38 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fauquier, Orange, Spotsylvania, Stafford52 min
Aug 12, 3:47 PM EDTSevere Thunderstorm WarningLWXKing George, Spotsylvania, Stafford, City of Fredericksburg58 min
Aug 12, 4:03 PM EDTTornado WarningLWXKing George, Spotsylvania, Stafford, City of Fredericksburg29 min
Aug 12, 4:15 PM EDTSevere Thunderstorm WarningLWXKing George60 min
Aug 12, 4:27 PM EDTSevere Thunderstorm WarningLWXSpotsylvania31 min
Aug 12, 5:13 PM EDTSevere Thunderstorm WarningLWXFairfax, Loudoun62 min
Aug 12, 5:15 PM EDTSpecial Marine WarningLWX2 hr
Aug 12, 5:39 PM EDTSpecial Weather StatementLWXClarke, Loudoun36 min
Aug 12, 5:49 PM EDTFlash Flood WarningLWXArlington, Fairfax, City of Alexandria, City of Falls Church115 min
Aug 12, 6:06 PM EDTSpecial Weather StatementLWXArlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church54 min
Aug 12, 6:55 PM EDTSpecial Weather StatementLWXKing George, Prince William, Stafford, City of Fredericksburg, City of Manassas50 min
Aug 12, 7:10 PM EDTCoastal Flood AdvisoryLWXArlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more3 days
Aug 12, 5:58 AM EDTSpecial Weather StatementLWXFrederick47 min
Aug 12, 6:10 AM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard, Montgomery35 min
Aug 12, 6:28 AM EDTSevere Thunderstorm WarningLWXFrederick, Howard, Montgomery32 min
Aug 12, 7:03 AM EDTSpecial Weather StatementLWXAnne Arundel, Prince George's27 min
Aug 12, 8:12 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's, Saint Mary's63 min
Aug 12, 9:15 AM EDTSpecial Weather StatementLWXCalvert, Saint Mary's30 min
Aug 12, 9:19 AM EDTFlash Flood WarningLWXCalvert, Charles, Prince George's, Saint Mary's86 min
Aug 12, 9:45 AM EDTSpecial Weather StatementLWXCalvert, Saint Mary's45 min
Aug 12, 4:16 PM EDTSpecial Weather StatementLWXCarroll, Frederick, Washington44 min
Aug 12, 4:18 PM EDTTornado WarningLWXCarroll, Frederick42 min
Aug 12, 4:35 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Washington55 min
Aug 12, 4:48 PM EDTTornado WarningLWXCarroll, Frederick, Howard, Montgomery27 min
Aug 12, 5:17 PM EDTTornado WarningLWXCarroll, Frederick, Howard, Montgomery43 min

Nearby

Flash Flood Warnings in Virginia, 2010Every flash flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.