Alert archive / Iowa / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 207, NWS Omaha, NE

July 19, 2007Pottawattamie County, Shelby County, Iowa

NWS Omaha, NE issued this severe thunderstorm warning at Jul 19, 2007, 12:35 AM CDT for Pottawattamie County, Shelby County, Iowa. It was in force for 40 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 19, 2007, 12:35 AM CDT (05:35 UTC)
Expired
Jul 19, 2007, 1:15 AM CDT
In force
40 min
Issued by
NWS Omaha, NE
Area
Counties, with a storm outline in the text

Counties Pottawattamie County, IA, Shelby County, IA

The radar

The Omaha radar (KOAX), 81 km from the middle of the area, began a volume at 05:35 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 18, 10:39 PM CDTSevere Thunderstorm WatchSPC5 hr

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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 2:10 PM CDT, 10 hours 25 minutes earlier.

Area forecast discussion, Jul 18, 2:10 PM CDT, 10 hours 25 minutes before
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Hazardous weather outlook, Jul 19, 12:18 AM CDT, 17 minutes before
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In the hours before

Local storm report, Jul 18, 10:58 PM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1058 PM CDT WED JUL 18 2007

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

1055 PM     TSTM WND GST     WAYNE                   42.24N 97.02W
07/18/2007  E60 MPH          WAYNE              NE   TRAINED SPOTTER

            TREE BRANCHES ALSO BLOWN DOWN.

&&

DEWALD
Local storm report, Jul 18, 11:16 PM CDT, 1 hour 19 minutes before
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Local storm report, Jul 18, 11:21 PM CDT, 1 hour 14 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.
      </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, Jul 18, 11:38 PM CDT, 57 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, Jul 18, 11:46 PM CDT, 49 minutes before
<!doctype html>
<html lang="en">
<head>
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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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Local storm report, Jul 19, 12:03 AM CDT, 32 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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 8:53 PM CDTSevere Thunderstorm WarningOAXKnox52 min
Jul 18, 10:53 PM CDTSevere Thunderstorm WarningOAXWayne37 min
Jul 18, 10:55 PM CDTSevere Thunderstorm WarningOAXMadison, Stanton50 min
Jul 18, 10:57 PM CDTSevere Thunderstorm WarningOAXThurston33 min
Jul 18, 11:02 PM CDTSevere Thunderstorm WarningOAXCuming43 min
Jul 18, 11:05 PM CDTSevere Thunderstorm WarningOAXAntelope40 min
Jul 18, 11:26 PM CDTSevere Thunderstorm WarningOAXBurt49 min
Jul 18, 11:31 PM CDTSevere Thunderstorm WarningOAXThurston38 min
Jul 18, 11:36 PM CDTSevere Thunderstorm WarningOAXDodge39 min
Jul 18, 11:45 PM CDTSevere Thunderstorm WarningOAXWashington45 min
Jul 18, 11:00 PM CDTSevere Thunderstorm WarningOAXMonona45 min
Jul 19, 12:03 AM CDTSevere Thunderstorm WarningOAXHarrison, Monona42 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2007Every severe thunderstorm warning in 2007

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.