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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