Alert archive / Iowa / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 285, NWS Omaha, NE

September 19, 2010Pottawattamie County, Shelby County, Iowa

NWS Omaha, NE issued this severe thunderstorm warning at Sep 19, 2010, 12:32 AM CDT for Pottawattamie County, Shelby County, Iowa. It was in force for 43 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: Sep 19, 2010, 12:32 AM CDT (05:32 UTC)
Expired: Sep 19, 2010, 1:15 AM CDT
In force: 43 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

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 05:32 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.

In the hours before

Special weather statement, Sep 18, 10:15 PM CDT, 2 hours 17 minutes before

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Special weather statement, Sep 18, 10:46 PM CDT, 1 hour 46 minutes before

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Local storm report, Sep 18, 10:52 PM CDT, 1 hour 40 minutes before

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Local storm report, Sep 18, 10:56 PM CDT, 1 hour 36 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.
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      <p id="message2">
        Please try again in a few minutes.
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Special weather statement, Sep 18, 10:56 PM CDT, 1 hour 36 minutes before

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<head>
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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.
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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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Local storm report, Sep 18, 10:59 PM CDT, 1 hour 33 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.
      </p>
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</body>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 18, 10:58 PM CDT	Severe Thunderstorm Warning	OAX	Washington	47 min
Sep 19, 3:42 PM CDT	River Flood Warning	OAX	Nemaha	28 days
Sep 18, 8:54 PM CDT	Severe Thunderstorm Warning	OAX	Page	36 min
Sep 18, 9:25 PM CDT	Severe Thunderstorm Warning	OAX	Page	35 min
Sep 18, 9:59 PM CDT	Severe Thunderstorm Warning	OAX	Page	31 min
Sep 18, 11:41 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	49 min
Sep 19, 1:19 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	26 min
Sep 19, 2:04 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery	41 min

Nearby

Severe Thunderstorm Warnings in Iowa, 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.