335  
WWUS20 KWNS 200506  
SEL3  
SPC WW 200506  
KYZ000-TNZ000-201100-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 603  
NWS STORM PREDICTION CENTER NORMAN OK  
1210 AM CDT THU AUG 20 2026  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
WESTERN KENTUCKY  
MIDDLE TENNESSEE  
 
* EFFECTIVE THIS THURSDAY MORNING FROM 1210 AM UNTIL 600 AM CDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2  
INCHES IN DIAMETER POSSIBLE  
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE  
A TORNADO OR TWO POSSIBLE  
 
SUMMARY...A CLUSTER OF STORMS INCLUDING EMBEDDED SUPERCELLS WILL  
CONTINUE EAST-SOUTHEASTWARD ACROSS THE REGION OVERNIGHT, WITH  
DAMAGING WINDS, LARGE HAIL POSSIBLE, AND POTENTIALLY A TORNADO RISK.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40  
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST  
OF FORT CAMPBELL KY TO 35 MILES SOUTH SOUTHEAST OF BOWLING GREEN KY.  
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 601...WW 602...  
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR  
28025.  
 
...GUYER  
 
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