Alert archive / Maryland / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 221, NWS Baltimore/Washington

July 25, 2016Carroll County, Frederick County, Washington County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 25, 2016, 4:04 PM EDT for Carroll County, Frederick County, Washington County, Maryland. It was in force for 39 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
Jul 25, 2016, 4:04 PM EDT (20:04 UTC)
Expired
Jul 25, 2016, 4:43 PM EDT
In force
39 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Carroll County, MD, Frederick County, MD, Washington County, MD

The radar

The Sterling radar (KLWX), 64 km from the middle of the area, began a volume at 20:04 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 25, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 25, 3:51 PM EDT, 13 minutes earlier.

Area forecast discussion, Jul 25, 3:51 PM EDT, 13 minutes before
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Hazardous weather outlook, Jul 25, 3:45 PM EDT, 19 minutes before
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In the hours before

Local storm report, Jul 25, 11:27 AM EDT, 4 hours 37 minutes before
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<head>
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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.
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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, Jul 25, 12:17 PM EDT, 3 hours 47 minutes before
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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>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 8:50 PM EDTSevere Thunderstorm WarningLWXClarke, Fauquier, Frederick, Warren17 min
Jul 24, 8:53 PM EDTSevere Thunderstorm WarningLWXLoudoun25 min
Jul 25, 12:58 AM EDTSpecial Marine WarningLWX92 min
Jul 25, 1:30 AM EDTSpecial Marine WarningLWX2 hr
Jul 25, 3:14 PM EDTSevere Thunderstorm WarningLWXClarke, Frederick, City of Winchester46 min
Jul 25, 3:33 PM EDTSevere Thunderstorm WarningLWXPage, Shenandoah, Warren42 min
Jul 25, 3:38 PM EDTHeat AdvisoryLWXKing George, Nelson, Orange, Spotsylvania, Stafford, City of Charlottesville and 1 more26 hr
Jul 25, 4:24 PM EDTSmall Craft AdvisoryLWX5 hr
Jul 25, 4:42 PM EDTSevere Thunderstorm WarningLWXClarke, Fauquier, Frederick, Loudoun, Prince William48 min
Jul 25, 5:16 PM EDTSevere Thunderstorm WarningLWXFairfax, Fauquier, Loudoun, Prince William44 min
Jul 25, 5:42 PM EDTSpecial Marine WarningLWX2 hr
Jul 25, 5:44 PM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, Prince William, City of Alexandria, City of Fairfax, City of Falls Church and 1 more18 min
Jul 25, 7:47 PM EDTSpecial Marine WarningLWX88 min
Jul 25, 1:05 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert26 min
Jul 25, 1:36 AM EDTSevere Thunderstorm WarningLWXCalvert13 min
Jul 25, 3:31 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick44 min
Jul 25, 3:47 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington43 min
Jul 25, 4:28 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick47 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2016Every severe thunderstorm warning in 2016

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.