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WWUS20 KWNS 151623

SEL3

SPC WW 151623

NYZ000-PAZ000-160000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 93

NWS Storm Prediction Center Norman OK

1225 PM EDT Tue May 15 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western New York

  Pennsylvania



* Effective this Tuesday afternoon and evening from 1225 PM until

  800 PM EDT.



* Primary threats include...

  Widespread damaging winds likely with isolated significant gusts

    to 75 mph possible

  Scattered large hail likely with isolated very large hail events

    to 2.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A line of storms will intensify as it moves east from

western Pennsylvania. Damaging winds and large hail are the primary

hazards.



The severe thunderstorm watch area is approximately along and 75

statute miles north and south of a line from 45 miles south

southwest of Franklin PA to 45 miles east of Williamsport 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.



&&



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

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

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

26040.



...Grams

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