

331 

WWUS20 KWNS 212028

SEL4

SPC WW 212028

DEZ000-MDZ000-NJZ000-NYZ000-PAZ000-CWZ000-220400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 304

NWS Storm Prediction Center Norman OK

430 PM EDT Mon Jun 21 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Delaware

  Eastern Maryland

  New Jersey

  Southeast New York

  Eastern Pennsylvania

  Coastal Waters



* Effective this Monday afternoon from 430 PM until Midnight EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms over central NY/PA will track eastward

through this evening, affecting the watch area.  Locally damaging

wind gusts and hail are the main threats.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 45 miles northwest of

Newark NJ to 45 miles southwest of Dover DE. 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 299...WW 300...WW

301...WW 302...WW 303...



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

27030.



...Hart

