Alert archive / South Dakota / Flood Watches in 2024

Flood Watch 2, NWS Sioux Falls, SD

June 20, 202424 counties in South Dakota; 9 counties in Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this flood watch at Jun 20, 2024, 3:26 AM CDT for 24 counties in South Dakota; 9 counties in Iowa; 8 counties in Minnesota. It took effect at Jun 20, 2024, 8:00 PM CDT. It was in force for 47 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2024, 3:26 AM CDT (08:26 UTC)
In effect from
Jun 20, 2024, 8:00 PM CDT
Expired
Jun 22, 2024, 7:00 PM CDT
In force
47 hr
Issued by
NWS Sioux Falls, SD
Flood severity
None
All 41 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 13 km from the middle of the area, began a volume at 08:28 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 flood watch 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 flood watch went out at Jun 19, 10:38 PM CDT, 4 hours 48 minutes earlier.

Area forecast discussion, Jun 19, 10:38 PM CDT, 4 hours 48 minutes before
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Hazardous weather outlook, Jun 19, 4:37 AM CDT, 22 hours 49 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:50 AM CDTRiver Flood WarningFSDLincoln, Turner10 days
Jun 20, 9:59 AM CDTRiver Flood WarningFSDClay11 days
Jun 20, 3:44 PM CDTFlash Flood WarningFSDHutchinson, Lincoln, Turner3 hr
Jun 20, 4:43 PM CDTRiver Flood WarningFSDLincoln21 days
Jun 20, 5:05 PM CDTFlash Flood WarningFSDLyon, Osceola3 hr
Jun 20, 6:14 PM CDTRiver Flood WarningFSDLyon7 days
Jun 20, 1:40 PM CDTRiver Flood WarningFSDCottonwood, Murray18 days

Nearby

Flood Watches in South Dakota, 2024Flood Watches in Iowa, 2024Flood Watches in Minnesota, 2024Every flood watch in 2024

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.