329  
FLUS43 KFSD 131010  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
510 AM CDT THU AUG 13 2020  
 
IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-098-NEZ013-014-  
SDZ067-070-071-141015-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-DIXON-  
DAKOTA-LINCOLN-UNION-  
510 AM CDT THU AUG 13 2020  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL  
IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA AND SOUTHEAST SOUTH  
DAKOTA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WARM AND HUMID CONDITIONS WILL RESULT IN HEAT INDEX VALUES IN THE 90S  
THIS AFTERNOON.  
 
THERE IS A SMALL CHANCE OF THUNDERSTORMS OVERNIGHT, ALTHOUGH SEVERE  
THUNDERSTORMS ARE NOT EXPECTED.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY.  
 
A COLD FRONT WILL BRING ADDITIONAL CHANCES FOR THUNDERSTORMS LATE  
FRIDAY AFTERNOON AND EVENING. A FEW STRONG TO SEVERE THUNDERSTORMS  
ARE POSSIBLE, ESPECIALLY ACROSS PORTIONS OF SOUTHWEST MINNESOTA AND  
NORTHWEST IOWA.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
MNZ071-072-097-SDZ038>040-050-052>066-068-069-141015-  
LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-  
SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-  
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-  
510 AM CDT THU AUG 13 2020  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST MINNESOTA, CENTRAL  
SOUTH DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA  
AND SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WARM AND HUMID CONDITIONS WILL RESULT IN HEAT INDEX VALUES IN THE 90S  
TO NEAR 100 DEGREES THIS AFTERNOON.  
 
THERE IS A CHANCE FOR THUNDERSTORMS THIS EVENING INTO THE OVERNIGHT  
HOURS. WHILE THE OVERALL THREAT IS LOW, AN ISOLATED STRONG TO SEVERE  
STORM CANNOT BE RULED OUT WITH WIND GUSTS UP TO 60 MPH AND HAIL UP TO  
HALF DOLLAR SIZE THE PRIMARY THREATS.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY.  
 
A COLD FRONT WILL BRING ADDITIONAL CHANCES FOR THUNDERSTORMS LATE  
FRIDAY AFTERNOON AND EVENING. A FEW STRONG TO SEVERE THUNDERSTORMS  
ARE POSSIBLE, ESPECIALLY ACROSS PORTIONS OF SOUTHWEST MINNESOTA AND  
NORTHWEST IOWA.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING.  
 

 
 
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