

826 

WWUS20 KWNS 221814

SEL8

SPC WW 221814

CTZ000-DCZ000-DEZ000-MDZ000-NJZ000-NYZ000-PAZ000-RIZ000-VAZ000-CWZ00

0-230200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 538

NWS Storm Prediction Center Norman OK

215 PM EDT Mon Jul 22 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  District Of Columbia

  Delaware

  Eastern Maryland

  New Jersey

  Southern New York

  Southeast Pennsylvania

  Rhode Island

  Eastern Virginia

  Coastal Waters



* Effective this Monday afternoon and evening from 215 PM until

  1000 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Scattered thunderstorms will continue to develop and

intensify within a moist/moderately unstable air mass to the east of

a cold front. Winds aloft should be sufficient for organized

multicells, with a couple of transient supercells also possible.

Damaging winds are the most likely risk as storms progress

east-northeastward through late afternoon and evening.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 15 miles north

northwest of Charlottesville VA to 20 miles south southeast of

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

cumulonimbi with maximum tops to 500. Mean storm motion vector

24025.



...Guyer

