Alert archive / Iowa / River Flood Warnings in 2019

River Flood Warning 204, NWS Sioux Falls, SD

May 29, 2019Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at May 29, 2019, 4:53 AM CDT for Dickinson County, Iowa. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: May 29, 2019, 4:53 AM CDT (09:53 UTC)
Expired: Jun 19, 2019, 4:53 AM CDT
In force: 21 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Dickinson County, IA

The radar

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 09:53 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 Little Sioux River near Montgomery (MLSI4).

Action stage: 1390 ft
Minor stage: 1391 ft
Moderate stage: 1393 ft
Major stage: 1394.5 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 May 29, 4:31 AM CDT, 22 minutes earlier.

Area forecast discussion, May 29, 4:31 AM CDT, 22 minutes before

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Hazardous weather outlook, May 28, 10:35 PM CDT, 6 hours 18 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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</body>
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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
May 29, 8:09 AM CDT	River Flood Warning	FSD	Bon Homme, Charles Mix	42 days
May 29, 10:18 AM CDT	River Flood Warning	FSD	Union	21 days
May 29, 2:42 PM CDT	River Flood Warning	FSD	Charles Mix	21 days
May 29, 2:42 PM CDT	River Flood Warning	FSD	Union	21 days
May 29, 2:42 PM CDT	River Flood Warning	FSD	Turner	44 hr
May 29, 2:42 PM CDT	River Flood Warning	FSD	Turner	17 hr
May 29, 4:53 AM CDT	River Flood Warning	FSD	Dickinson	21 days

Nearby

River Flood Warnings in Iowa, 2019 Every river flood warning in 2019

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.