Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 664, NWS Norman, OK

August 18, 20094 counties in Oklahoma; Hardeman County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Aug 18, 2009, 11:18 PM CDT for 4 counties in Oklahoma; Hardeman County, Texas. It was in force for 57 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 18, 2009, 11:18 PM CDT (04:18 UTC)
Expired: Aug 19, 2009, 12:15 AM CDT
In force: 57 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Beckham County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 76 km from the middle of the area, began a volume at 04:18 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 18, 3:19 PM CDT, 7 hours 59 minutes earlier.

Area forecast discussion, Aug 18, 3:19 PM CDT, 7 hours 59 minutes before

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Hazardous weather outlook, Aug 18, 11:59 AM CDT, 11 hours 19 minutes before

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<html lang="en">
<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 Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 18, 10:57 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Harper, Woodward	63 min
Aug 19, 12:10 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	65 min
Aug 19, 12:25 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	65 min
Aug 19, 12:30 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Custer, Kingfisher	60 min
Aug 19, 12:44 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Jackson, Kiowa, Tillman	46 min
Aug 19, 1:21 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Comanche, Grady, Kingfisher and 4 more	54 min
Aug 19, 7:51 AM CDT	Areal Flood Advisory	OUN	Noble	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2009 Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

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.