512  
NWUS53 KFSD 211857  
LSRFSD  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
157 PM CDT FRI SEP 21 2018  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0522 PM TORNADO 1 W SUPERIOR 43.43N 94.96W  
09/20/2018 DICKINSON IA EMERGENCY MNGR  
 
CORRECTS PREVIOUS TORNADO REPORT FROM 1 W  
SUPERIOR. BRIEF EF1 TORNADO IN SUPERIOR, IA.  
NEARBY PRIVATE WEATHER STATION REPORTED A  
WIND GUST OF 99 MPH. TIME ESTIMATED FROM  
RADAR.  
 

 
 

 
 
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