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WWUS20 KWNS 071727

SEL3

SPC WW 071727

INZ000-MIZ000-OHZ000-PAZ000-LEZ000-080100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 343

NWS Storm Prediction Center Norman OK

130 PM EDT Wed Jul 7 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Indiana

  Lower Michigan

  Northern Ohio

  Northwest Pennsylvania

  Lake Erie



* Effective this Wednesday afternoon and evening from 130 PM

  until 900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph likely

  A tornado or two possible



SUMMARY...Strong to severe thunderstorms will develop and increase

across the region this afternoon, including areas near a front

across Lower Michigan where a few supercells including some hail and

possibly a tornado could occur aside from damaging winds. Multicells

capable of damaging winds are otherwise expected to be common across

the remainder of the region.



The severe thunderstorm watch area is approximately along and 85

statute miles north and south of a line from 20 miles southwest of

Kalamazoo MI to 5 miles east of Erie PA. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 342...



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

1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few

cumulonimbi with maximum tops to 500. Mean storm motion vector

27025.



...Guyer

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