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WWUS20 KWNS 071837

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CTZ000-MAZ000-NJZ000-NYZ000-PAZ000-RIZ000-CWZ000-080300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 344

NWS Storm Prediction Center Norman OK

235 PM EDT Wed Jul 7 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  Massachusetts

  Northern and central New Jersey

  Southern New York

  Eastern Pennsylvania

  Rhode Island

  Coastal Waters



* Effective this Wednesday afternoon and evening from 235 PM

  until 1100 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1 inch in diameter possible



SUMMARY...Thunderstorms will continue to develop and intensify near

a front across southern New York into southern New England as well

as within a hot/unstable air mass to the south across other parts of

the region. Storms are likely to linearly organize through late

afternoon/early evening as they spread east-southeastward,

potentially impacting larger population areas including Boston/New

York City.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 20 miles southeast of

Boston MA to 20 miles west of Williamsport PA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 342...WW 343...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

28025.



...Guyer

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