935  
WGUS53 KFSD 201441  
FFWFSD  
SDC067-125-135-201745-  
/O.NEW.KFSD.FF.W.0043.180920T1441Z-180920T1745Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
941 AM CDT THU SEP 20 2018  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
YANKTON COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
NORTHWESTERN TURNER COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
HUTCHINSON COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
 
* UNTIL 1245 PM CDT.  
 
* AT 940 AM CDT, NUMEROUS RURAL ROADS ARE REPORTED TO REMAIN UNDER  
WATER AT MID MORNING. ADDITIONAL HEAVY RAIN WILL CONTINUE ACROSS  
THE WARNED AREA THROUGH THE NEXT 1 TO 2 HOURS. FLASH FLOODING WILL  
REMAIN A SIGNIFICANT CONCERN.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
YANKTON, PARKER, FREEMAN, MARION, MENNO, IRENE, CHANCELLOR,  
MAYFIELD, MISSION HILL, KAYLOR, VOLIN, MILLTOWN, CLAYTON, UTICA,  
DOLTON, LESTERVILLE AND OLIVET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL  
CREEKS AND STREAMS, URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES AS  
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.  
 
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU  
CAN DO SO SAFELY.  
 

 
 
LAT...LON 4317 9764 4317 9787 4350 9787 4350 9740  
4344 9692 4334 9693 4328 9719 4323 9726  
4317 9722 4317 9716 4291 9716 4291 9764  
 

 
 
CHAPMAN  
 
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