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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