Alert archive / South Dakota / River Flood Warnings in 2009
River Flood Warning 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Mar 20, 2009, 9:28 AM CDT for Sanborn County, South Dakota. It took effect at Mar 22, 2009, 1:00 PM CDT. It was in force for 139 days.
The area
The counties it named.
The facts
- Issued
- Mar 20, 2009, 9:28 AM CDT (14:28 UTC)
- In effect from
- Mar 22, 2009, 1:00 PM CDT
- Expired
- Aug 8, 2009, 7:00 PM CDT
- In force
- 139 days
- Issued by
- NWS Sioux Falls, SD
- Flood severity
- Minor
County Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 120 km from the middle of the area, began a volume at 14:31 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 Forestburg (FORS2).
- Action stage
- 10 ft
- Minor stage
- 12 ft
- Moderate stage
- 14.5 ft
- Major stage
- 18 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06477000, 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 20, 9:28 AM CDT | River Flood Warning | FSD | Davison, Hanson | 150 days |
Nearby
River Flood Warnings in South Dakota, 2009Every river flood warning in 2009
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.