Alert archive / South Dakota / River Flood Warnings in 2020

River Flood Warning 16, NWS Aberdeen, SD

July 26, 2020Brown County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Jul 26, 2020, 9:08 PM CDT for Brown County, South Dakota. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: Jul 26, 2020, 9:08 PM CDT (02:08 UTC)
Expired: Jul 29, 2020, 3:35 AM CDT
In force: 54 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: Minor

County Brown County, SD

The radar

The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 02:06 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 Elm River at Ordway (ORDS2). The gauge peaked at 15.07 ft at Jul 27, 2020, 10:00 AM CDT.

Action stage: 12 ft
Minor stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06471510, 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 Aberdeen, SD wrote its last area forecast discussion before this river flood warning went out at Jul 26, 6:45 PM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, Jul 26, 6:45 PM CDT, 2 hours 23 minutes before

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Hazardous weather outlook, Jul 26, 1:20 PM CDT, 7 hours 48 minutes before

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        Please try again in a few minutes.
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In the hours before

Local storm report, Jul 26, 5:32 PM CDT, 3 hours 36 minutes before

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  <title>Service Notice</title>
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<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.