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WWUS20 KWNS 291911

SEL3

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INZ000-KYZ000-OHZ000-PAZ000-WVZ000-300200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 403

NWS Storm Prediction Center Norman OK

315 PM EDT Thu Jul 29 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Indiana

  Northeast Kentucky

  Southern Ohio

  Southwest Pennsylvania

  Northern West Virginia



* Effective this Thursday afternoon and evening from 315 PM until

  1000 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms are developing along a weak front stretching

across central Ohio into western Pennsylvania.  Those storms will

spread southward this afternoon and early evening, posing a risk of

damaging wind gusts and hail.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 50 miles west northwest

of Cincinnati OH to 45 miles east of Latrobe 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 401...WW 402...



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 500. Mean storm motion vector

30030.



...Hart

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