075  
WGUS75 KBOU 220154  
FFSBOU  
 
FLASH FLOOD STATEMENT  
NATIONAL WEATHER SERVICE DENVER CO  
754 PM MDT THU MAY 21 2026  
 
COC121-220345-  
/O.CON.KBOU.FF.W.0001.000000T0000Z-260522T0345Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
WASHINGTON CO-  
754 PM MDT THU MAY 21 2026  
 
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT THIS  
EVENING FOR SOUTHEASTERN WASHINGTON COUNTY...  
 
AT 754 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS HAD ENDED OVER  
SOUTHEASTERN WASHINGTON COUNTY. BETWEEN 2.5 AND 4 INCHES OF RAIN  
HAVE FALLEN. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, GULCHES, ROADS,  
AND POOR DRAINAGE AND LOW-LYING AREAS.  
 
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
COPE.  
 
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...  
ARIKAREE RIVER, NORTH FORK ARIKAREE RIVER AND GORDON CREEK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 

 
 
LAT...LON 3971 10315 3974 10280 3957 10280 3957 10315  
3971 10317  
 
FLASH FLOOD...RADAR INDICATED  
 

 
 
63  
 
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