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WWUS20 KWNS 281718

SEL3

SPC WW 281718

INZ000-OHZ000-PAZ000-LEZ000-290000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 273

NWS Storm Prediction Center Norman OK

120 PM EDT Tue May 28 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of northern and central Indiana

  Northern Ohio

  Extreme northwestern Pennsylvania

  Lake Erie



* Effective this Tuesday afternoon and evening from 120 PM until

  800 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Scattered thunderstorm development is expected early this

afternoon along and immediately in advance of a slow-moving cold

front.  The environment south of the front will support a mix of

multicell clusters and splitting supercells capable of producing

large hail and damaging winds into this evening.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 35 miles west southwest

of Lafayette IN to 5 miles east southeast of Youngstown OH. 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 272...



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

27030.



...Thompson

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