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730 

WWUS20 KWNS 142324

SEL3

SPC WW 142324

DCZ000-DEZ000-MDZ000-NJZ000-VAZ000-CWZ000-150600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 273

NWS Storm Prediction Center Norman OK

725 PM EDT Mon Jun 14 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Delaware

  Central and Eastern Maryland

  Southern New Jersey

  Northern and Eastern Virginia

  Coastal Waters



* Effective this Monday night and Tuesday morning from 725 PM

  until 200 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Clusters of storms are expected to develop and/or move

into the region from the west-northwest this evening, with an

increasing potential for damaging winds, some severe hail, and

possibly a brief tornado risk. The downstream air mass is warm and

unstable. The severe risk is expected to continue well into the late

evening and early overnight hours before storms weaken and/or clear

the coast.



The severe thunderstorm watch area is approximately along and 55

statute miles north and south of a line from 50 miles east southeast

of Dover DE to 50 miles west of Washington DC. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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 270...WW 271...WW 272...



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

29030.



...Guyer

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