Alert archive / South Dakota / River Flood Warnings in 2023
River Flood Warning 25, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Apr 11, 2023, 3:15 AM CDT for Brookings County, Hamlin County, South Dakota. It was in force for 14 days.
The area
The counties it named.
The facts
- Issued
- Apr 11, 2023, 3:15 AM CDT (08:15 UTC)
- Expired
- Apr 25, 2023, 2:51 PM CDT
- In force
- 14 days
- 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 08:17 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 Apr 11, 2:40 AM CDT, 35 minutes earlier.
Area forecast discussion, Apr 11, 2:40 AM CDT, 35 minutes before
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</html>Hazardous weather outlook, Apr 10, 5:23 PM CDT, 9 hours 52 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 523 PM CDT Mon Apr 10 2023 IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-052>054-057>071- 112230- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Jerauld-Sanborn-Miner- Brule-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas- Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union- 523 PM CDT Mon Apr 10 2023 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, northeast Nebraska, central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Tonight. Minor to localized moderate river flooding continues, mainly along the Big Sioux and Rock Rivers, as well as their tributary creeks. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Gusty south to southwest winds, combined with well above normal temperatures and low humidity levels, return Tuesday through Thursday. These conditions result in very high to extreme fire danger across snow-free areas. Minor to localized moderate river flooding will continue through mid to late week, especially along the Big Sioux and Rock Rivers, and their tributary creeks. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MNZ071-072-080-081-089-090-097-098-SDZ038>040-055-056-112230- Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle- Kingsbury-Brookings-Lake-Moody- 523 PM CDT Mon Apr 10 2023 This Hazardous Weather Outlook is for southwest Minnesota and east central South Dakota. .DAY ONE...Tonight. Minor to localized moderate river flooding continues, mainly along the Big Sioux and Rock Rivers, as well as their tributary creeks. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Gusty south to southwest winds, combined with warming afternoon temperatures and lowering humidity levels, return Tuesday through Thursday. These conditions may result in high to very high fire danger across snow-free areas on those days. Minor to localized moderate river flooding will continue through mid to late week, especially along the Big Sioux and Rock Rivers, and their tributary creeks. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 12:57 AM CDT | River Flood Warning | FSD | Minnehaha | 12 days |
| Apr 11, 1:00 AM CDT | River Flood Warning | FSD | Brookings | 21 days |
| Apr 11, 3:15 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 8 days |
| Apr 11, 4:19 PM CDT | Fire Weather Watch | FSD | Bon Homme, Hutchinson, Lincoln, Turner, Yankton | 11 hr |
| Apr 11, 4:19 PM CDT | Red Flag Warning | FSD | Clay, Lincoln, Union, Yankton | 28 hr |
Nearby
River Flood Warnings in South Dakota, 2023Every river flood warning in 2023
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.