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080 

WWUS20 KWNS 251950

SEL3

SPC WW 251950

MIZ000-MNZ000-WIZ000-LSZ000-260300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 203

NWS Storm Prediction Center Norman OK

250 PM CDT Tue May 25 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Upper Michigan

  Southeast Minnesota

  Western and Northern Wisconsin

  Lake Superior



* Effective this Tuesday afternoon and evening from 250 PM until

  1000 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

  A tornado or two possible



SUMMARY...At least isolated to widely scattered thunderstorms are

expected to develop and intensify this afternoon near/ahead of an

eastward-moving cold front. Very strong southwesterly winds through

a deep layer will support fast-moving and well-organized storms

including a few initial supercells aside from evolving

bands/clusters of storms. At least isolated instances of severe hail

and damaging winds will be the most common hazards.



The severe thunderstorm watch area is approximately along and 90

statute miles east and west of a line from 60 miles north northeast

of Ironwood MI to 25 miles south southwest of La Crosse WI. 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 450. Mean storm motion vector

26040.



...Guyer

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