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WWUS20 KWNS 092037

SEL0

SPC WW 092037

ILZ000-WIZ000-LMZ000-100400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 350

NWS Storm Prediction Center Norman OK

340 PM CDT Thu Jul 9 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Illinois

  Southern Wisconsin

  Lake Michigan



* Effective this Thursday afternoon and evening from 340 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible

  A tornado or two possible



SUMMARY...Scattered clusters of storms will move east-northeastward

across southern Wisconsin and northern Illinois through this

evening. Damaging winds are the primary hazard.



The severe thunderstorm watch area is approximately along and 95

statute miles north and south of a line from 55 miles west of

Rockford IL to 30 miles east of Janesville WI. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU0).



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 348...WW 349...



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

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

24020.



...Guyer

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