SPC Severe Thunderstorm Watch 277

WW 277 SEVERE TSTM NH NY VT LO 171635Z – 180000Z


URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 277
NWS Storm Prediction Center Norman OK
1235 PM EDT Sat May 17 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western New Hampshire
  Central and Northern New York
  Vermont
  Lake Ontario

* Effective this Saturday afternoon and evening from 1235 PM
  until 800 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 65 mph possible
  Scattered large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Scattered strong to severe thunderstorms will increase in
coverage through the afternoon.  Locally damaging winds are the main
concern, but the strongest cells could also produce large hail and
perhaps a tornado.

The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 30 miles east southeast
of Montpelier VT to 5 miles south of Rochester NY. 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 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26030.

...Hart

StormPrep