Monday, July 17, 2017

SPC Severe Thunderstorm Watch 417

WW 417 SEVERE TSTM NY PA VT 171650Z - 180000Z
WW 0417 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 417
NWS Storm Prediction Center Norman OK
1250 PM EDT Mon Jul 17 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Central New York
  Northeast Pennsylvania
  Vermont

* Effective this Monday afternoon and evening from 1250 PM until
  800 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...Thunderstorms will continue to form along a cold front
moving across New York, and will spread across the watch area this
afternoon.  Locally damaging wind gusts are the main threat, with
hail also possible.

The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 20 miles west northwest
of Binghamton NY to 20 miles north northeast of Lebanon NH. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).

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
24030.

...Hart

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