Alert archive / Maryland / River Flood Warnings in 2014

River Flood Warning 3, NWS Baltimore/Washington

March 30, 2014Montgomery County, Maryland

NWS Baltimore/Washington issued this river flood warning at Mar 30, 2014, 6:59 PM EDT for Montgomery County, Maryland. It took effect at Mar 30, 2014, 7:06 PM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 30, 2014, 6:59 PM EDT (22:59 UTC)
In effect from: Mar 30, 2014, 7:06 PM EDT
Expired: Mar 31, 2014, 8:00 AM EDT
In force: 13 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: Minor

County Montgomery County, MD

The radar

The Sterling radar (KLWX), 30 km from the middle of the area, began a volume at 22:58 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 Seneca Creek at Dawsonville (DAWM2). The gauge peaked at 8.01 ft at Mar 30, 2014, 10:00 PM EDT.

Action stage: 5 ft
Minor stage: 7.5 ft
Moderate stage: 11 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01645000, 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 Mar 30, 4:00 PM EDT, 2 hours 59 minutes earlier.

Area forecast discussion, Mar 30, 4:00 PM EDT, 2 hours 59 minutes before

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Hazardous weather outlook, Mar 30, 3:36 PM EDT, 3 hours 23 minutes before

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      <p id="message1">
        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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In the hours before

Local storm report, Mar 30, 3:32 PM EDT, 3 hours 27 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, Mar 30, 3:59 PM EDT, 3 hours 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, Mar 30, 6:32 PM EDT, 27 minutes before

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<head>
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  <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>
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</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
Mar 29, 8:06 PM EDT	Wind Advisory	LWX	Clarke, Culpeper, Fauquier, Frederick, Greene, Highland and 12 more	33 hr
Mar 30, 12:38 AM EDT	Gale Warning	LWX		37 hr
Mar 30, 8:43 AM EDT	Winter Storm Warning	LWX	Highland	6 hr
Mar 30, 2:02 PM EDT	Small Craft Advisory	LWX		12 hr
Mar 30, 1:25 PM EDT	Areal Flood Warning	LWX	Baltimore, Carroll	10 hr
Mar 30, 3:32 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Howard, City of Baltimore	17 hr

Nearby

River Flood Warnings in Maryland, 2014 Every river flood warning in 2014

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.