

684 

WWUS20 KWNS 141803

SEL0

SPC WW 141803

DEZ000-NJZ000-PAZ000-CWZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 270

NWS Storm Prediction Center Norman OK

205 PM EDT Mon Jun 14 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Delaware

  New Jersey

  Eastern Pennsylvania

  Coastal Waters



* Effective this Monday afternoon and evening from 205 PM until

  900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A cluster with splitting cells should evolve east from

western Pennsylvania. Additional cells may form near the Delaware

Valley, before spreading east towards the New Jersey coast.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 45 miles northwest of

Harrisburg PA to 20 miles north northeast of Lakehurst NJ. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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 269...



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

29035.



...Grams

