859  
NWUS55 KTFX 141422  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
822 AM MDT THU MAY 14 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0545 PM NON-TSTM WND GST 1 NW AMSTERDAM 45.77N 111.34W  
05/13/2026 M70 MPH GALLATIN MT TRAINED SPOTTER  
 
TRAINED SPOTTER MEASURED 70 MPH.  
 
 
 
 
 
IG  
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