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WWUS20 KWNS 280652

SEL2

SPC WW 280652

MNZ000-WIZ000-281400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 462

NWS Storm Prediction Center Norman OK

150 AM CDT Fri Aug 28 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Minnesota

  Extreme western Wisconsin



* Effective this Friday morning from 150 AM until 900 AM CDT.



* Primary threats include...

  Scattered damaging winds likely with isolated significant gusts

    to 80 mph possible

  Isolated large hail events to 1 inch in diameter possible

  A tornado or two possible



SUMMARY...A well-organized thunderstorm complex, with a history of

severe measured gusts (some hurricane force) in South Dakota, should

maintain some severe-wind potential across much of southern

Minnesota through at least daybreak.  Embedded, briefly tornadic

circulations also cannot be ruled out.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 60 miles south of

Ortonville MN to 35 miles north northeast of Rochester MN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU2).



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 460...WW 461...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1 inch. Extreme turbulence and surface wind gusts to 70 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

27035.



...Edwards

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