Alert archive / South Dakota / River Flood Warnings in 2020

River Flood Warning 41, NWS Sioux Falls, SD

March 22, 2020Brookings County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 22, 2020, 5:55 AM CDT for Brookings County, South Dakota. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Mar 22, 2020, 5:55 AM CDT (10:55 UTC)
Expired: Mar 23, 2020, 6:18 AM CDT
In force: 24 hr
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 10:54 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 Big Sioux River near Bruce (BRCS2). The gauge peaked at 8.21 ft at Mar 22, 2020, 10:00 AM CDT.

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479770, 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 Mar 21, 6:30 PM CDT, 11 hours 25 minutes earlier.

Area forecast discussion, Mar 21, 6:30 PM CDT, 11 hours 25 minutes before

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Hazardous weather outlook, Mar 21, 3:54 PM CDT, 14 hours 1 minute before

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</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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Nearby

River Flood Warnings in South Dakota, 2020 Every river flood warning in 2020

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.