310  
WWUS85 KBOU 112158  
SPSBOU  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE DENVER CO  
358 PM MDT THU SEP 11 2025  
 
COZ038-042-112245-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY CO-NORTHEAST  
WELD COUNTY CO-  
358 PM MDT THU SEP 11 2025  
 
...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL WELD COUNTY UNTIL  
445 PM MDT...  
 
AT 358 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR  
HEREFORD, OR 45 MILES NORTHEAST OF GREELEY, MOVING NORTHEAST AT 5  
MPH.  
 
HAZARD...WIND GUSTS UP TO 50 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...  
GROVER AND HEREFORD.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 

 
 
LAT...LON 4082 10432 4083 10456 4100 10460 4100 10390  
4086 10394 4082 10424  
TIME...MOT...LOC 2157Z 235DEG 5KT 4095 10425  
 
MAX HAIL SIZE...0.88 IN  
MAX WIND GUST...50 MPH  
 

 
 
RJK  
 
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