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WWUS20 KWNS 102249

SEL9

SPC WW 102249

KYZ000-OHZ000-PAZ000-WVZ000-LEZ000-110500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 279

NWS Storm Prediction Center Norman OK

650 PM EDT Wed Jun 10 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Extreme northeastern Kentucky

  Eastern Ohio

  Western Pennsylvania

  Parts of western and northern West Virginia

  Lake Erie



* Effective this Wednesday night and Thursday morning from 650 PM

  until 100 AM EDT.



* Primary threats include...

  Scattered damaging winds likely with isolated significant gusts

    to 75 mph possible

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A pre-frontal squall line has consolidated from central

Ohio into eastern Kentucky, and will likely persist into the early

overnight hours while spreading east-northeastward.  Damaging winds

will continue to be the primary concern with these storms, though an

isolated tornado or two will be possible with embedded circulations,

along with isolated large hail.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 30 miles north northeast

of Youngstown OH to 15 miles southwest of Charleston WV. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU9).



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 276...WW 277...WW 278...



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

1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

24045.



...Thompson

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