

776 

WWUS20 KWNS 101756

SEL7

SPC WW 101756

MIZ000-WIZ000-LMZ000-LSZ000-110000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 427

NWS Storm Prediction Center Norman OK

100 PM CDT Mon Aug 10 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Upper Michigan

  Eastern Wisconsin

  Lake Michigan

  Lake Superior



* Effective this Monday afternoon and evening from 100 PM until

  700 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Scattered severe storms may develop along a cold front

that will push east across the region. A few supercells and

multicell clusters may form with large hail and damaging winds as

the primary hazards.



The severe thunderstorm watch area is approximately along and 55

statute miles east and west of a line from 80 miles northeast of

Escanaba MI to 55 miles south southwest of Oshkosh WI. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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 425...WW 426...



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

27040.



...Grams

