342  
WWUS20 KWNS 042101  
SEL1  
SPC WW 042101  
COZ000-KSZ000-NEZ000-WYZ000-050400-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 571  
NWS STORM PREDICTION CENTER NORMAN OK  
300 PM MDT MON AUG 4 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
EAST-CENTRAL AND NORTHEAST COLORADO  
FAR NORTHWEST KANSAS  
WESTERN NEBRASKA  
FAR SOUTHEAST WYOMING  
 
* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 300 PM UNTIL  
1000 PM MDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75  
MPH POSSIBLE  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3  
INCHES IN DIAMETER POSSIBLE  
A TORNADO OR TWO POSSIBLE  
 
SUMMARY...ISOLATED TO SCATTERED THUNDERSTORMS ARE FORECAST TO  
CONTINUE TO DEVELOP THROUGH THE REMAINDER OF THE AFTERNOON AND INTO  
THE EVENING. A FEW OF THE STRONGER STORMS ARE LIKELY TO BECOME  
SUPERCELLULAR AND POSE A RISK FOR MAINLY LARGE TO VERY LARGE HAIL.  
A TORNADO IS POSSIBLE MAINLY THIS EVENING WHEN LOW-LEVEL SHEAR  
INCREASES. SCATTERED SEVERE GUSTS ARE ALSO POSSIBLE WITH THE MORE  
INTENSE STORMS.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60  
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHWEST OF  
CHADRON NE TO 45 MILES SOUTH SOUTHWEST OF BURLINGTON CO. FOR A  
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE  
UPDATE (WOUS64 KWNS WOU1).  
 
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.  
 
 
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR  
31010.  
 
...SMITH  
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