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WWUS20 KWNS 080115

SEL1

SPC WW 080115

SDZ000-080600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 341

NWS Storm Prediction Center Norman OK

720 PM MDT Tue Jul 7 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  North central South Dakota



* Effective this Tuesday night from 720 PM until Midnight MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...A cluster of storms east of Rapid City will continue to

spread northeastward through early tonight.  The stronger embedded

storms, which could have supercell structures, will be capable of

producing damaging winds and isolated large hail.



The severe thunderstorm watch area is approximately along and 35

statute miles east and west of a line from 40 miles northwest of

Mobridge SD to 70 miles south of Mobridge SD. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



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 338...WW 339...WW 340...



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

23035.



...Thompson

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