Alert archive / Maryland / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 552, NWS Baltimore/Washington

August 17, 20194 counties in Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Aug 17, 2019, 3:46 PM EDT for 4 counties in Maryland. It was in force for 44 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 17, 2019, 3:46 PM EDT (19:46 UTC)
Expired: Aug 17, 2019, 4:30 PM EDT
In force: 44 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Calvert County, MD, Charles County, MD, Prince George's County, MD, Saint Mary's County, MD

The radar

The Sterling radar (KLWX), 83 km from the middle of the area, began a volume at 19:49 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 Aug 17, 2:46 PM EDT, 1 hour earlier.

Area forecast discussion, Aug 17, 2:46 PM EDT, 1 hour before

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Hazardous weather outlook, Aug 17, 3:25 PM EDT, 21 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.
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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, Aug 17, 2:46 PM EDT, 1 hour before

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<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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 2:01 PM EDT	Special Marine Warning	LWX		89 min
Aug 17, 3:25 PM EDT	Special Marine Warning	LWX		65 min
Aug 17, 4:03 PM EDT	Special Marine Warning	LWX		41 min
Aug 17, 4:07 PM EDT	Special Marine Warning	LWX		80 min
Aug 17, 4:13 PM EDT	Severe Thunderstorm Warning	LWX	King George, Prince William, Stafford	47 min
Aug 17, 4:55 PM EDT	Severe Thunderstorm Warning	LWX	King George, Spotsylvania, Stafford	35 min
Aug 17, 2:08 PM EDT	Severe Thunderstorm Warning	LWX	Harford	52 min
Aug 17, 3:14 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, City of Baltimore	46 min
Aug 17, 4:01 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	32 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2019 Every severe thunderstorm warning in 2019

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.