Alert archive / Virginia / River Flood Warnings in 2011

River Flood Warning 41, NWS Baltimore/Washington

April 17, 2011Loudoun County, Virginia

NWS Baltimore/Washington issued this river flood warning at Apr 17, 2011, 3:40 AM EDT for Loudoun County, Virginia. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Apr 17, 2011, 3:40 AM EDT (07:40 UTC)
Expired: Apr 17, 2011, 7:13 PM EDT
In force: 16 hr
Issued by: NWS Baltimore/Washington
Flood severity: Minor

County Loudoun County, VA

The radar

The Sterling radar (KLWX), 18 km from the middle of the area, began a volume at 07:43 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.

The river

Written for the forecast point Goose Creek near Leesburg (LEEV2).

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 15 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01644000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Apr 16, 10:58 PM EDT, 4 hours 42 minutes earlier.

Area forecast discussion, Apr 16, 10:58 PM EDT, 4 hours 42 minutes before

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Hazardous weather outlook, Apr 16, 11:09 PM EDT, 4 hours 31 minutes before

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In the hours before

Local storm report, Apr 16, 11:52 PM EDT, 3 hours 48 minutes before

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      <p id="message2">
        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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Local storm report, Apr 17, 12:22 AM EDT, 3 hours 18 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <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, Apr 17, 12:26 AM EDT, 3 hours 14 minutes before

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      <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>
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Local storm report, Apr 17, 12:35 AM EDT, 3 hours 5 minutes before

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      <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>
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</body>
</html>

Local storm report, Apr 17, 12:36 AM EDT, 3 hours 4 minutes before

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<body>
  <main class="wrap">
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      <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, Apr 17, 12:37 AM EDT, 3 hours 3 minutes before

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<body>
  <main class="wrap">
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      <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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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 8:08 PM EDT	Areal Flood Warning	LWX	Clarke, Fauquier, Frederick, Page, Rappahannock, Shenandoah and 2 more	14 hr
Apr 16, 8:25 PM EDT	Special Marine Warning	LWX		95 min
Apr 16, 8:34 PM EDT	Special Weather Statement	LWX	Orange, Stafford, City of Fredericksburg	56 min
Apr 16, 9:20 PM EDT	Wind Advisory	LWX	Clarke, Fauquier, Frederick, Greene, Highland, Madison and 11 more	22 hr
Apr 16, 10:14 PM EDT	River Flood Warning	LWX	Loudoun	42 hr
Apr 16, 10:14 PM EDT	River Flood Warning	LWX	Fairfax	58 hr
Apr 16, 10:21 PM EDT	River Flood Warning	LWX	Culpeper, Fauquier	31 hr
Apr 16, 10:24 PM EDT	River Flood Warning	LWX	Rockingham	16 hr
Apr 16, 10:24 PM EDT	River Flood Warning	LWX	Clarke, Warren	40 hr
Apr 16, 10:28 PM EDT	River Flood Warning	LWX	Shenandoah	30 hr
Apr 16, 10:28 PM EDT	River Flood Warning	LWX	Clarke	47 hr
Apr 16, 11:27 PM EDT	Areal Flood Warning	LWX	Clarke, Frederick	17 hr
Apr 17, 3:18 AM EDT	Gale Warning	LWX		15 hr
Apr 17, 3:18 AM EDT	Small Craft Advisory	LWX		23 hr
Apr 17, 4:02 AM EDT	Special Weather Statement	LWX	Clarke, Culpeper, Fauquier, Frederick, Loudoun, Madison and 5 more	58 min
Apr 17, 11:06 AM EDT	Coastal Flood Advisory	LWX	Arlington, City of Alexandria, City of Falls Church	13 hr
Apr 16, 8:02 PM EDT	Tornado Warning	LWX	Baltimore, Carroll	28 min
Apr 16, 8:18 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Harford	42 min
Apr 16, 8:52 PM EDT	Special Weather Statement	LWX	City of Baltimore	23 min
Apr 16, 8:56 PM EDT	Flash Flood Warning	LWX	Baltimore, City of Baltimore	94 min
Apr 16, 9:16 PM EDT	Special Weather Statement	LWX	Harford	29 min
Apr 16, 9:48 PM EDT	Areal Flood Warning	LWX	Frederick	13 hr
Apr 16, 9:53 PM EDT	Special Weather Statement	LWX	Calvert	37 min
Apr 16, 10:03 PM EDT	River Flood Warning	LWX	Washington	37 hr
Apr 16, 10:17 PM EDT	River Flood Warning	LWX	Frederick	36 hr
Apr 16, 10:01 PM EDT	River Flood Warning	LWX	Grant	4 hr
Apr 16, 10:01 PM EDT	River Flood Warning	LWX	Hampshire	24 hr

Nearby

River Flood Warnings in Virginia, 2011 Every river flood warning in 2011

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; the gauge from the NWS water service and the USGS.