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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 424
NWS Storm Prediction Center Norman OK
110 PM EDT Thu Jul 20 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central New York
* Effective this Thursday afternoon and evening from 110 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
A tornado or two possible
SUMMARY...A cluster of intense thunderstorms near Buffalo will track
across the watch area this afternoon, posing a risk of damaging
wind gusts and hail. An isolated tornado or two will also be
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 50 miles southwest of
Rochester NY to 25 miles north northeast of Monticello NY. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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
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