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WWUS20 KWNS 052139

SEL1

SPC WW 052139

MNZ000-NDZ000-SDZ000-060400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 331

NWS Storm Prediction Center Norman OK

440 PM CDT Sun Jul 5 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Extreme west central Minnesota

  South central and southeast North Dakota

  Central and northeast South Dakota



* Effective this Sunday afternoon and evening from 440 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Scattered areas of thunderstorm development will persist

along multiple boundaries across the watch area.  The storm

environment will favor a mix of supercells and multicell clusters

capable of producing large hail and damaging winds through this

evening.



The severe thunderstorm watch area is approximately along and 85

statute miles north and south of a line from 45 miles southwest of

Mobridge SD to 50 miles south southeast of Fargo ND. 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.



&&



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

28020.



...Thompson

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