105  
WWUS85 KBOU 172130  
SPSBOU  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE DENVER CO  
330 PM MDT SUN MAY 17 2026  
 
COZ030-031-033-035-172215-  
JACKSON COUNTY BELOW 9000 FEET CO-WEST JACKSON AND WEST GRAND  
COUNTIES ABOVE 9000 FEET CO-LARIMER AND BOULDER COUNTIES BETWEEN  
6000 AND 9000 FEET CO-SOUTH AND EAST JACKSON/LARIMER/NORTH AND  
NORTHEAST GRAND/NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET CO-  
330 PM MDT SUN MAY 17 2026  
 
...A LINE OF STRONG THUNDERSTORMS WILL IMPACT JACKSON AND  
NORTHWESTERN LARIMER COUNTIES UNTIL 415 PM MDT...  
 
AT 330 PM MDT, DOPPLER RADAR WAS TRACKING A LINE OF STRONG  
THUNDERSTORMS EXTENDING FROM NEAR MT ZIRKEL TO NEAR COALMONT, MOVING  
NORTHEAST AT 35 MPH.  
 
HAZARD...WIND GUSTS OF 50 TO 55 MPH AND NICKEL SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS. MINOR DAMAGE TO OUTDOOR OBJECTS IS  
POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE...  
WALDEN, LAKE JOHN, BROWNLEE, COWDREY, COALMONT, PEARL, GLENDEVEY  
AND SPICER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 
THIS STORM MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO  
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION  
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.  
 

 
 
LAT...LON 4069 10660 4074 10666 4076 10667 4079 10664  
4082 10664 4083 10666 4085 10666 4087 10668  
4089 10669 4089 10670 4088 10671 4087 10674  
4088 10675 4089 10674 4089 10675 4100 10659  
4100 10599 4065 10586 4043 10651  
TIME...MOT...LOC 2129Z 234DEG 30KT 4085 10663 4073 10648 4053 10645  
 
MAX HAIL SIZE...0.88 IN  
MAX WIND GUST...50 TO 55 MPH  
 

 
 
HIRIS  
 
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