394  
WWUS20 KWNS 282312  
SEL3  
SPC WW 282312  
SDZ000-290400-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 473  
NWS STORM PREDICTION CENTER NORMAN OK  
515 PM MDT SAT JUN 28 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
SOUTHWEST AND SOUTH-CENTRAL SOUTH DAKOTA  
 
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 515 PM UNTIL  
1000 PM MDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80  
MPH POSSIBLE  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3  
INCHES IN DIAMETER POSSIBLE  
 
SUMMARY...INTENSE SUPERCELL PERSISTENCE IS POSSIBLE THIS EVENING  
ACROSS SOUTHWEST TO SOUTH-CENTRAL SOUTH DAKOTA.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50  
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH  
NORTHWEST OF RAPID CITY SD TO 55 MILES SOUTHEAST OF PIERRE SD. 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 471...WW 472...  
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR  
30025.  
 
...GUYER  
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