903  
WWUS83 KUNR 180419  
SPSUNR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1019 PM MDT MON SEP 17 2018  
 
SDZ041-042-180445-  
FALL RIVER SD-OGLALA LAKOTA SD-  
1019 PM MDT MON SEP 17 2018  
 
...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL OGLALA LAKOTA AND  
EAST CENTRAL FALL RIVER COUNTIES UNTIL 1045 PM MDT...  
 
AT 1018 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10  
MILES EAST OF HAY CANYON BUTTE, OR 27 MILES SOUTHEAST OF HOT SPRINGS,  
MOVING EAST AT 20 MPH.  
 
NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH  
THIS STORM.  
 
LOCATIONS IMPACTED INCLUDE...  
OGLALA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.  
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE  
SHELTER INSIDE A BUILDING OR VEHICLE.  
 

 
 
LAT...LON 4316 10301 4336 10308 4350 10281 4319 10261  
TIME...MOT...LOC 0418Z 248DEG 19KT 4328 10298  
 

 
 
CARSTENS  
 
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