Alert archive / South Dakota / River Flood Warnings in 2009
River Flood Warning 11, NWS Aberdeen, SD
NWS Aberdeen, SD issued this river flood warning at Mar 20, 2009, 8:25 PM CDT for Brown County, South Dakota. It was in force for 9 days.
The area
The counties it named.
The facts
- Issued
- Mar 20, 2009, 8:25 PM CDT (01:25 UTC)
- Expired
- Mar 29, 2009, 8:12 PM CDT
- In force
- 9 days
- Issued by
- NWS Aberdeen, SD
- Flood severity
- Moderate
County Brown County, SD
The radar
The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 01:23 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 Elm River near Westport (WESS2).
- Action stage
- 12 ft
- Minor stage
- 14 ft
- Moderate stage
- 16 ft
- Major stage
- 19 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06471500, 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 Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 4:22 AM CDT | Dense Fog Advisory | ABR | Brown, Day, Grant, Marshall, Roberts | 5 hr |
| Mar 21, 9:10 AM CDT | Dense Fog Advisory | ABR | Grant, Roberts | 3 hr |
| Mar 21, 10:18 AM CDT | Areal Flood Advisory | ABR | Brown, Campbell, Corson, Edmunds, McPherson | 24 hr |
| Mar 21, 12:08 PM CDT | Blizzard Watch | ABR | Campbell, Corson, Dewey, Walworth | 26 hr |
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.