Alert archive / South Dakota / River Flood Warnings in 2022

River Flood Warning 12, NWS Sioux Falls, SD

May 31, 2022Brookings County, Hamlin County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at May 31, 2022, 4:58 PM CDT for Brookings County, Hamlin County, South Dakota. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: May 31, 2022, 4:58 PM CDT (21:58 UTC)
Expired: Jun 1, 2022, 7:27 AM CDT
In force: 14 hr
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

Counties Brookings County, SD, Hamlin County, SD

The radar

The Sioux Falls radar (KFSD), 106 km from the middle of the area, began a volume at 22:00 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 Estelline (BSES2).

Action stage: 1642.5 ft
Minor stage: 1644 ft
Moderate stage: 1645.5 ft
Major stage: 1648 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 31, 2:59 PM CDT, 1 hour 59 minutes earlier.

Area forecast discussion, May 31, 2:59 PM CDT, 1 hour 59 minutes before

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Hazardous weather outlook, May 31, 3:56 AM CDT, 13 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
356 AM CDT Tue May 31 2022

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-010900-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
356 AM CDT Tue May 31 2022

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, May 31, 3:04 PM CDT, 1 hour 54 minutes before

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Local storm report, May 31, 3:35 PM CDT, 1 hour 23 minutes before

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Local storm report, May 31, 3:57 PM CDT, 1 hour 1 minute before

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Local storm report, May 31, 4:06 PM CDT, 52 minutes before

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Local storm report, May 31, 4:37 PM CDT, 21 minutes before

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Local storm report, May 31, 4:50 PM CDT, 8 minutes before

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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 30, 8:53 PM CDT	River Flood Warning	FSD	Dickinson	17 hr
May 30, 7:23 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson	37 min

Nearby

River Flood Warnings in South Dakota, 2022 Every river flood warning in 2022

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.