

267 

WWUS20 KWNS 211554

SEL5

SPC WW 211554

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

0-CWZ000-220000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 385

NWS Storm Prediction Center Norman OK

1155 AM EDT Wed Jul 21 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  District Of Columbia

  Delaware

  Southeast Massachusetts

  Central and Eastern Maryland

  New Jersey

  Southeast New York

  Southeast Pennsylvania

  Rhode Island

  Northeast Virginia

  Coastal Waters



* Effective this Wednesday morning and evening from 1155 AM until

  800 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Scattered strong to severe thunderstorms will develop this

afternoon along a weak cold front extending from northern Virginia

into eastern Massachusetts.  The strongest cells will pose a risk of

damaging wind gusts and hail.



The severe thunderstorm watch area is approximately along and 50

statute miles either side of a line from 25 miles west southwest of

Baltimore MD to 40 miles northeast of Hyannis MA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU5).



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

28030.



...Hart

