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WWUS20 KWNS 132307

SEL3

SPC WW 132307

MNZ000-NDZ000-140700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 433

NWS Storm Prediction Center Norman OK

610 PM CDT Thu Aug 13 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Minnesota

  Eastern North Dakota



* Effective this Thursday night and Friday morning from 610 PM

  until 200 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  A tornado or two possible



SUMMARY...Storms will continue to develop and intensify near the

North Dakota/Minnesota border vicinity and spread generally eastward

this evening across northern Minnesota. Severe hail and damaging

winds will be the primary hazards, but a tornado is possible,

particularly near the warm front across northern Minnesota.



The severe thunderstorm watch area is approximately along and 85

statute miles east and west of a line from 65 miles south of Fargo

ND to 50 miles west northwest of International Falls MN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU3).



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

25020.



...Guyer

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