Alert archive / South Dakota / River Flood Warnings in 2020
River Flood Warning 6, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Feb 27, 2020, 9:12 AM CST for Davison County, Hanson County, South Dakota. It was in force for 147 days.
The area
The counties it named.
The facts
- Issued
- Feb 27, 2020, 9:12 AM CST (15:12 UTC)
- Expired
- Jul 23, 2020, 8:33 PM CDT
- In force
- 147 days
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Davison County, SD, Hanson County, SD
The radar
The Sioux Falls radar (KFSD), 100 km from the middle of the area, began a volume at 15:12 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 James River near Mitchell (JRMS2). The gauge peaked at 21.84 ft at Mar 13, 2020, 11:00 PM CDT.
- Action stage
- 16 ft
- Minor stage
- 17 ft
- Moderate stage
- 21.5 ft
- Major stage
- 24 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06478000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
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.