583  
WGUS53 KFSD 071350  
FFWFSD  
MNC133-SDC099-071500-  
/O.EXT.KFSD.FF.W.0006.000000T0000Z-220807T1500Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
850 AM CDT SUN AUG 7 2022  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS EXTENDED THE  
 
* FLASH FLOOD WARNING FOR...  
SOUTHWESTERN ROCK COUNTY IN SOUTHWESTERN MINNESOTA...  
SOUTHEASTERN MINNEHAHA COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
 
* UNTIL 1000 AM CDT.  
 
* AT 850 AM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED  
HEAVY RAIN HAS FALLEN AROUND SIOUX FALLS. BETWEEN 3 AND 6 INCHES  
OF RAIN HAVE FALLEN. FLASH FLOODING IS ALREADY OCCURRING.  
 
HAZARD...FLASH FLOODING CAUSED BY HEAVY RAIN.  
 
SOURCE...RADAR AND AUTOMATED GAUGES.  
 
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, VALLEY SPRINGS, HILLS, BEAVER CREEK, ROWENA,  
CORSON AND ELLIS.  
 
EVEN THOUGH THE RAINFALL HAS ENDED, THERE IS STILL CONSIDERABLE  
RUNOFF MOVING THROUGH THE DITCHES, CREEKS AND STREAMS, AS WELL AS  
PONDED WATER IN SEVERAL LOCATIONS. THIS RUNOFF SHOULD GREATLY  
DECREASE OVER THE NEXT HOUR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW  
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL  
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.  
 

 
 
LAT...LON 4350 9684 4361 9684 4362 9645 4363 9632  
4350 9633 4350 9668 4350 9675 4350 9677  
4350 9681  
 
FLASH FLOOD...RADAR AND GAUGE INDICATED  
 

 
 
GILLISPIE  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab IA Page
The Nexlab MN Page
The Nexlab NE Page Main Text Page