Alert archive / Maryland / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 130, NWS Baltimore/Washington

July 6, 2017Saint Mary's County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 6, 2017, 11:01 PM EDT for Saint Mary's County, Maryland. It was in force for 14 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 6, 2017, 11:01 PM EDT (03:01 UTC)
Expired: Jul 6, 2017, 11:15 PM EDT
In force: 14 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Saint Mary's County, MD

The radar

The Dover AFB radar (KDOX), 116 km from the middle of the area, began a volume at 03:02 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 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 6, 9:33 PM EDT, 1 hour 28 minutes earlier.

Area forecast discussion, Jul 6, 9:33 PM EDT, 1 hour 28 minutes before

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Hazardous weather outlook, Jul 6, 9:52 PM EDT, 1 hour 9 minutes before

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In the hours before

Local storm report, Jul 6, 6:49 PM EDT, 4 hours 12 minutes before

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Local storm report, Jul 6, 6:58 PM EDT, 4 hours 3 minutes before

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      <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 6, 7:18 PM EDT, 3 hours 43 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.
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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 6, 7:26 PM EDT, 3 hours 35 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>
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Local storm report, Jul 6, 7:32 PM EDT, 3 hours 29 minutes before

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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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 8:04 PM EDT	Special Marine Warning	LWX		86 min
Jul 6, 9:24 PM EDT	Special Marine Warning	LWX		96 min
Jul 6, 9:50 PM EDT	Special Marine Warning	LWX		85 min
Jul 6, 10:28 PM EDT	Special Marine Warning	LWX		92 min
Jul 7, 3:26 AM EDT	Special Marine Warning	LWX		64 min
Jul 7, 10:27 AM EDT	Small Craft Advisory	LWX		6 hr
Jul 7, 6:58 PM EDT	Special Marine Warning	LWX		2 hr
Jul 7, 7:40 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax, Loudoun, Prince William, City of Alexandria, City of Fairfax and 3 more	35 min
Jul 7, 5:55 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	27 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2017 Every severe thunderstorm warning in 2017

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.