408  
WWUS55 KRIW 162252  
SVSRIW  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
452 PM MDT MON JUN 16 2025  
 
WYC025-162330-  
/O.CON.KRIW.SV.W.0026.000000T0000Z-250616T2330Z/  
NATRONA-  
452 PM MDT MON JUN 16 2025  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT  
FOR EAST CENTRAL NATRONA COUNTY...  
 
AT 451 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED OVER BAR NUNN,  
WHICH IS NEAR CASPER, MOVING EAST AT 20 MPH. EMERGENCY MANAGEMENT  
OBSERVED HAIL NEARLY 2 INCHES IN DIAMETER.  
 
HAZARD...TWO INCH HAIL.  
 
SOURCE...EMERGENCY MANAGEMENT.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE  
TO ROOFS, SIDING, WINDOWS, AND VEHICLES.  
 
THIS SEVERE STORM WILL BE NEAR...  
NORTHERN CASPER AND EVANSVILLE AROUND 455 PM MDT.  
 
THIS INCLUDES INTERSTATE 25 BETWEEN MILE MARKERS 190 AND 202.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
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.  
 
 
 
LAT...LON 4287 10640 4305 10636 4307 10607 4284 10607  
TIME...MOT...LOC 2251Z 268DEG 19KT 4293 10633  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...OBSERVED  
MAX HAIL SIZE...2.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 
 
 
DZIEWALTOWSKI  
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