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WWUS20 KWNS 181735

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SPC WW 181735

NYZ000-OHZ000-PAZ000-WVZ000-LEZ000-LOZ000-190100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 353

NWS Storm Prediction Center Norman OK

135 PM EDT Sun Jun 18 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western and Central New York

  Eastern Ohio

  Western Pennsylvania

  Northern West Virginia Panhandle

  Lake Erie

  Lake Ontario



* Effective this Sunday afternoon and evening from 135 PM until

  900 PM EDT.



* Primary threats include...

  Widespread damaging wind gusts to 70 mph likely

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Storms are developing from central Ohio into western new

York in advance of a cold front moving toward the region.  Storms

are likely to intensify this afternoon as they move northeastward

with potential to produce damaging wind gusts and occasional hail.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 55 miles northeast of

Rochester NY to 20 miles east of Zanesville 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 352...



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

23030.



...Weiss

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