Alert archive / South Dakota / River Flood Warnings in 2020
River Flood Warning 34, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Mar 11, 2020, 7:41 AM CDT for Brookings County, South Dakota. It was in force for 21 days.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2020, 7:41 AM CDT (12:41 UTC)
- Expired
- Apr 1, 2020, 7:41 AM CDT
- In force
- 21 days
- 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 12:45 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 8.78 ft at Mar 30, 2020, 3:00 PM 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.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 2:59 AM CDT | Dense Fog Advisory | FSD | Bon Homme, Clay, Hutchinson, Lake, Lincoln, McCook and 5 more | 9 hr |
Nearby
River Flood Warnings in South Dakota, 2020Every 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.