Alert archive / Utah / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 37, NWS Salt Lake City, UT

July 21, 2010Duchesne County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 21, 2010, 6:11 PM MDT for Duchesne County, Utah. It was in force for 19 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 21, 2010, 6:11 PM MDT (00:11 UTC)
Expired: Jul 21, 2010, 6:30 PM MDT
In force: 19 min
Issued by: NWS Salt Lake City, UT
Area: Storm-based polygon

County Duchesne County, UT

The radar

The Salt Lake City radar (KMTX), 201 km from the middle of the area, began a volume at 00:13 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 Salt Lake City, UT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 21, 3:29 PM MDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jul 21, 3:29 PM MDT, 2 hours 42 minutes before

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Hazardous weather outlook, Jul 21, 11:51 AM MDT, 6 hours 20 minutes before

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In the hours before

Special weather statement, Jul 21, 1:05 PM MDT, 5 hours 6 minutes before

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Special weather statement, Jul 21, 2:02 PM MDT, 4 hours 9 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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Special weather statement, Jul 21, 3:16 PM MDT, 2 hours 55 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>
      <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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Special weather statement, Jul 21, 4:45 PM MDT, 1 hour 26 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>
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Special weather statement, Jul 21, 5:32 PM MDT, 39 minutes before

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<head>
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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>
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</body>
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The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 4:01 AM MDT	Flash Flood Watch	SLC		16 hr
Jul 22, 1:36 PM MDT	Special Weather Statement	SLC	Duchesne	24 min
Jul 22, 2:04 PM MDT	Flash Flood Warning	SLC	Garfield	3 hr
Jul 22, 4:07 PM MDT	Special Weather Statement	SLC	Wayne	38 min

Nearby

Severe Thunderstorm Warnings in Utah, 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.