Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 150, NWS Sioux Falls, SD

August 12, 2010Plymouth County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Aug 12, 2010, 10:03 AM CDT for Plymouth County, Iowa. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Aug 12, 2010, 10:03 AM CDT (15:03 UTC)
Expired: Aug 12, 2010, 9:23 PM CDT
In force: 11 hr
Issued by: NWS Sioux Falls, SD
Flood severity: Minor

County Plymouth County, IA

The radar

The Sioux Falls radar (KFSD), 103 km from the middle of the area, began a volume at 15:05 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 Floyd River at Le Mars (LMRI4).

Action stage: 18 ft
Minor stage: 20 ft
Moderate stage: 21 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at Aug 12, 3:31 AM CDT, 6 hours 32 minutes earlier.

Area forecast discussion, Aug 12, 3:31 AM CDT, 6 hours 32 minutes before

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Hazardous weather outlook, Aug 12, 5:37 AM CDT, 4 hours 26 minutes before

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<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.
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The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 4:01 PM CDT	Severe Thunderstorm Warning	FSD	Hutchinson, Lincoln, McCook, Minnehaha, Turner	44 min
Aug 12, 4:36 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha, Moody	39 min
Aug 12, 4:55 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	50 min
Aug 12, 5:08 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson, Murray, Nobles, Pipestone, Rock	52 min
Aug 12, 5:13 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Lyon, Murray, Pipestone	47 min
Aug 12, 5:53 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	37 min
Aug 12, 5:55 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Murray	35 min

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.