URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 447
NWS Storm Prediction Center Norman OK
245 PM EDT Sat Aug 12 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western New Jersey
Central and Eastern New York
Central and Eastern Pennsylvania
* Effective this Saturday afternoon and evening from 245 PM until
900 PM EDT.
* Primary threats include...
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Storms will continue to increase and intensify this
afternoon, perhaps especially across south-central/southeast
Pennsylvania as well as east-central New York. Severe hail and wind
will be possible with the strongest storms as they spread eastward
through the afternoon and early evening.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 50 miles northeast of
Utica NY to 35 miles south of Harrisburg PA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
Click here to view the watch area outlined.
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
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