529  
WWUS20 KWNS 052239  
SEL8  
SPC WW 052239  
SDZ000-060700-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 488  
NWS STORM PREDICTION CENTER NORMAN OK  
440 PM MDT SAT JUL 5 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
WESTERN SOUTH DAKOTA  
 
* EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 440  
PM UNTIL 100 AM MDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80  
MPH LIKELY  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2  
INCHES IN DIAMETER POSSIBLE  
 
SUMMARY...A SMALL BUT INTENSE THUNDERSTORM CLUSTER WILL SPREAD  
EAST-SOUTHEASTWARD ACROSS WESTERN SOUTH DAKOTA THIS EVENING INTO THE  
EARLY OVERNIGHT HOURS. SCATTERED TO NUMEROUS SEVERE/DAMAGING WINDS  
SHOULD BE THE MAIN THREAT WITH THE CLUSTER. PEAK GUSTS MAY REACH UP  
TO 70-80 MPH ON AN ISOLATED BASIS. OCCASIONAL SEVERE HAIL UP TO 1-2  
INCHES IN DIAMETER MAY ALSO OCCUR.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90  
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES SOUTH  
SOUTHWEST OF BUFFALO SD TO 10 MILES EAST NORTHEAST OF PHILIP SD. FOR  
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE  
UPDATE (WOUS64 KWNS WOU8).  
 
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 487...  
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR  
28040.  
 
...GLEASON  
 
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