685  
WUUS55 KTFX 102108  
SVRTFX  
MTC027-102200-  
/O.NEW.KTFX.SV.W.0014.210610T2108Z-210610T2200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
308 PM MDT THU JUN 10 2021  
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN FERGUS COUNTY IN CENTRAL MONTANA...  
 
* UNTIL 400 PM MDT.  
 
* AT 308 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR GRASS RANGE,  
OR 24 MILES EAST OF LEWISTOWN, MOVING NORTH AT 35 MPH.  
 
HAZARD...QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* LOCATIONS IMPACTED INCLUDE...  
GRASS RANGE, ROY, FERGUS, VALENTINE AND FORESTGROVE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE  
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY  
AWAY FROM WINDOWS.  
 
TO REPORT SEVERE WEATHER, CONTACT YOUR NEAREST LAW ENFORCEMENT  
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE  
OFFICE IN GREAT FALLS.  
 
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND  
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.  
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER, IF YOU CAN  
HEAR THUNDER, YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4731 10841 4731 10859 4727 10860 4727 10872  
4719 10871 4718 10874 4710 10874 4710 10862  
4708 10861 4685 10882 4687 10915 4744 10921  
4734 10838  
TIME...MOT...LOC 2108Z 196DEG 30KT 4706 10891  
 
HAIL...1.00IN  
WIND...<50MPH  
 

 
 
TPP  
 
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