908  
WWUS20 KWNS 312057  
SEL3  
SPC WW 312057  
COZ000-NEZ000-WYZ000-010300-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 563  
NWS STORM PREDICTION CENTER NORMAN OK  
300 PM MDT THU JUL 31 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
NORTHERN COLORADO  
WESTERN NEBRASKA PANHANDLE  
SOUTHEAST WYOMING  
 
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 300 PM UNTIL  
900 PM MDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE  
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE  
 
SUMMARY...SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP AND  
INTENSIFY WHILE MOVING EAST FROM THE HIGHER TERRAIN AND INTO THE  
ADJACENT PLAINS. THE STRONGER THUNDERSTORMS WILL BE CAPABLE OF A  
THREAT FOR SCATTERED SEVERE GUSTS (60-70 MPH) AND ISOLATED LARGE  
HAIL (1 TO 1.5 INCHES IN DIAMETER). UPSCALE GROWTH INTO A LINEAR  
CLUSTER MAY OCCUR THIS EVENING.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60  
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF  
TORRINGTON WY TO 30 MILES EAST SOUTHEAST OF FORT COLLINS CO. FOR A  
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE  
UPDATE (WOUS64 KWNS WOU3).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE  
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING  
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE  
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE  
TORNADOES.  
 

 
 
OTHER WATCH INFORMATION...CONTINUE...WW 562...  
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR  
27020.  
 
...SMITH  
 
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