Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 173, NWS Des Moines, IA

July 18, 2010Mahaska County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 18, 2010, 9:01 PM CDT for Mahaska County, Iowa. It took effect at Jul 20, 2010, 12:10 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Jul 18, 2010, 9:01 PM CDT (02:01 UTC)
In effect from: Jul 20, 2010, 12:10 PM CDT
Expired: Jul 20, 2010, 11:26 AM CDT
In force
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 02:00 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 18.36 ft at Jul 20, 2010, 12:00 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 Jul 18, 6:46 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, Jul 18, 6:46 PM CDT, 2 hours 15 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 18, 11:09 AM CDT, 9 hours 52 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
Jul 19, 5:34 AM CDT	Areal Flood Advisory	DMX	Adair, Audubon, Clarke, Crawford, Guthrie, Lucas and 1 more	3 hr
Jul 19, 7:35 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis	40 min
Jul 19, 7:58 AM CDT	Areal Flood Advisory	DMX	Appanoose, Davis, Lucas, Monroe, Wapello, Wayne	3 hr
Jul 19, 10:38 AM CDT	Flash Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Boone, Carroll and 23 more	41 hr
Jul 19, 11:44 AM CDT	River Flood Warning	DMX	Dallas, Greene	8 hr
Jul 19, 11:44 AM CDT	River Flood Warning	DMX	Madison, Warren	4 days
Jul 19, 11:44 AM CDT	River Flood Warning	DMX	Madison, Warren	58 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.