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865 

WWUS20 KWNS 072240

SEL4

SPC WW 072240

MNZ000-NDZ000-SDZ000-080500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 244

NWS Storm Prediction Center Norman OK

540 PM CDT Mon Jun 7 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of northwestern Minnesota

  South central into east central North Dakota

  North central South Dakota



* Effective this Monday afternoon from 540 PM until Midnight 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...High-based thunderstorm development is expected this

evening across north central South Dakota and south central North

Dakota, and additional elevated storms will persist in the short

term near the North Dakota/Minnesota border.  The convection is

expected to increase in coverage and intensity this evening while

spreading east-northeastward, with a mix of multicell clusters and

some supercell structures possible.  Large hail and damaging winds

can be expected with the strongest storms into early tonight.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 15 miles north

northwest of Mobridge SD to 30 miles south southeast of Thief River

Falls MN. For a complete depiction of the watch see the associated

watch outline update (WOUS64 KWNS WOU4).



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 242...WW 243...



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

24025.



...Thompson

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