071  
WWUS85 KBOU 140221  
SPSBOU  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE DENVER CO  
821 PM MDT SUN SEP 13 2026  
 
COZ034-036-037-140300-  
CENTRAL AND SOUTHEAST PARK COUNTY CO-JEFFERSON AND WEST DOUGLAS  
COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK  
COUNTIES BELOW 9000 FEET CO-SOUTH AND SOUTHEAST GRAND/WEST  
CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/SUMMIT/NORTH AND  
WEST PARK COUNTIES ABOVE 9000 FEET CO-  
821 PM MDT SUN SEP 13 2026  
   
..A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN PARK
 
SOUTHWESTERN  
JEFFERSON AND WESTERN DOUGLAS COUNTIES UNTIL 9 PM MDT...  
 
AT 821 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5  
MILES SOUTHEAST OF TARRYALL RESERVOIR, OR 50 MILES SOUTHWEST OF  
DENVER, MOVING NORTHEAST AT 20 MPH.  
 
HAZARD...WIND GUSTS UP TO 50 MPH AND HALF INCH 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...  
WELLINGTON LAKE, TARRYALL RESERVOIR, BAILEY, CHEESMAN RESERVOIR,  
DECKERS, TARRYALL AND GLENISLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 

 
 
LAT...LON 3925 10565 3945 10550 3926 10518 3904 10555  
3916 10571  
TIME...MOT...LOC 0220Z 219DEG 17KT 3917 10556  
 
MAX HAIL SIZE...0.50 IN  
MAX WIND GUST...50 MPH  
 

 
 
AP  
 
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