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WWUS20 KWNS 171514

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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 278

NWS Storm Prediction Center Norman OK

1115 AM EDT Tue Jul 17 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  Massachusetts

  Southern Maine

  Southern New Hampshire

  Southeast New York

  Rhode Island

  Southern Vermont

  Coastal Waters



* Effective this Tuesday morning and evening from 1115 AM until

  700 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Within a very moist and increasingly unstable environment,

bands of storms will continue to intensify from late morning into

afternoon and generally spread east/northeastward across the region.

The stronger storms will be capable of wind damage, although some

hail or even a brief tornado cannot be ruled out.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 25 miles east southeast

of Portsmouth NH to 30 miles west southwest of Pittsfield MA. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU8).



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

24025.



...Guyer

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