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787 

WWUS20 KWNS 311713

SEL7

SPC WW 311713

CTZ000-DCZ000-DEZ000-MAZ000-MDZ000-NJZ000-NYZ000-PAZ000-RIZ000-VAZ00

0-CWZ000-010100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 547

NWS Storm Prediction Center Norman OK

115 PM EDT Wed Jul 31 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  District Of Columbia

  Delaware

  Massachusetts

  Eastern Maryland

  New Jersey

  Southeast New York

  Southeast Pennsylvania

  Rhode Island

  Northeast Virginia

  Coastal Waters



* Effective this Wednesday afternoon and evening from 115 PM

  until 900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Scattered thunderstorms are expected to develop this

afternoon within a warm/unstable air mass.  A few clusters of severe

storms are expected to form, capable of locally damaging wind gusts.



The severe thunderstorm watch area is approximately along and 75

statute miles east and west of a line from 45 miles south southeast

of Washington DC to 25 miles north northwest of Boston MA. 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 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 500. Mean storm motion vector

25030.



...Hart

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