Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 202, NWS Des Moines, IA

August 3, 2010Mahaska County, Iowa

NWS Des Moines, IA issued this river flood warning at Aug 3, 2010, 3:23 PM CDT for Mahaska County, Iowa. It took effect at Aug 4, 2010, 8:30 AM CDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued: Aug 3, 2010, 3:23 PM CDT (20:23 UTC)
In effect from: Aug 4, 2010, 8:30 AM CDT
Expired: Aug 5, 2010, 3:55 PM CDT
In force: 31 hr
Issued by: NWS Des Moines, IA
Flood severity: Minor

County Mahaska County, IA

The radar

The Des Moines radar (KDMX), 100 km from the middle of the area, began a volume at 20:22 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 river

Written for the forecast point South Skunk River near Oskaloosa (OOAI4). The gauge peaked at 19.93 ft at Aug 4, 2010, 4:00 PM CDT.

Action stage: 18 ft
Minor stage: 24.5 ft
Moderate stage: 28.5 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05471500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Aug 3, 3:22 PM CDT, 1 minute earlier.

Area forecast discussion, Aug 3, 3:22 PM CDT, 1 minute 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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  <script src="index.js"></script>
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Hazardous weather outlook, Aug 3, 12:38 PM CDT, 2 hours 45 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 10:24 PM CDT	River Flood Warning	DMX	Dallas, Greene	3 days
Aug 3, 12:54 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Guthrie	37 min
Aug 3, 1:30 AM CDT	Areal Flood Advisory	DMX	Dallas, Jasper, Madison, Marion, Marshall, Polk and 2 more	3 hr
Aug 3, 1:44 AM CDT	Areal Flood Advisory	DMX	Mahaska, Poweshiek	4 hr
Aug 3, 12:44 PM CDT	Heat Advisory	DMX	Adair, Adams, Appanoose, Clarke, Dallas, Davis and 13 more	6 hr
Aug 3, 3:23 PM CDT	River Flood Warning	DMX	Polk	67 hr
Aug 3, 3:23 PM CDT	River Flood Warning	DMX	Polk	67 hr

Nearby

River Flood Warnings in Iowa, 2010 Every river flood 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; the gauge from the NWS water service and the USGS.