Saturday, August 28, 2021

Flash Flood Warning

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Sioux Falls SD
920 PM CDT Sat Aug 28 2021

The National Weather Service in Sioux Falls has issued a

* Flash Flood Warning for...
Northwestern Lincoln County in southeastern South Dakota...
Southeastern Minnehaha County in southeastern South Dakota...

* Until 1045 PM CDT.

* At 920 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1
hour. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Sioux Falls, Brandon, Harrisburg, Tea, Lake Alvin State Recreation
Area and Rowena.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4363 9683 4361 9651 4350 9656 4350 9660
4348 9658 4348 9659 4347 9658 4346 9660
4344 9660 4343 9660 4345 9689

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR