Alert archive / North Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 158, NWS Grand Forks, ND

August 13, 20104 counties in North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 13, 2010, 1:25 AM CDT for 4 counties in North Dakota. It was in force for 65 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 13, 2010, 1:25 AM CDT (06:25 UTC)
Expired: Aug 13, 2010, 2:30 AM CDT
In force: 65 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Barnes County, ND, Cass County, ND, Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 53 km from the middle of the area, began a volume at 06:27 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 Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 12, 9:05 PM CDT, 4 hours 20 minutes earlier.

Area forecast discussion, Aug 12, 9:05 PM CDT, 4 hours 20 minutes before

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In the hours before

Local storm report, Aug 12, 8:43 PM CDT, 4 hours 42 minutes before

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<body>
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    <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>
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Local storm report, Aug 12, 9:07 PM CDT, 4 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
907 PM CDT THU AUG 12 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     TSTM WND GST     WEST FARGO              46.87N 96.90W
08/12/2010  E60 MPH          CASS               ND   TRAINED SPOTTER

            ALSO DIME SIZE HAIL

&&

JH

Local storm report, Aug 12, 9:18 PM CDT, 4 hours 7 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.
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Local storm report, Aug 12, 9:41 PM CDT, 3 hours 44 minutes before

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  <title>Service Notice</title>
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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.
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Special weather statement, Aug 12, 10:20 PM CDT, 3 hours 5 minutes before

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  <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>
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  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 8:50 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	55 min
Aug 12, 9:42 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Mahnomen, Norman	35 min
Aug 12, 10:34 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Otter Tail, Wilkin	56 min
Aug 12, 7:37 PM CDT	Tornado Warning	FGF	Sargent	53 min
Aug 12, 7:49 PM CDT	Tornado Warning	FGF	Ransom	56 min
Aug 12, 8:30 PM CDT	Tornado Warning Emergency	FGF	Richland, Sargent	45 min
Aug 12, 8:44 PM CDT	Tornado Warning	FGF	Ransom	61 min
Aug 12, 9:31 PM CDT	Flash Flood Warning	FGF	Ransom	12 hr
Aug 12, 9:47 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	58 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2010 Every severe thunderstorm warning in 2010

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.