

244 

WWUS20 KWNS 271914

SEL0

SPC WW 271914

NJZ000-PAZ000-CWZ000-280000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 310

NWS Storm Prediction Center Norman OK

315 PM EDT Sat Jun 27 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of central and southern New Jersey

  Extreme southeast Pennsylvania

  Coastal Waters



* Effective this Saturday afternoon and evening from 315 PM until

  800 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A small cluster of storms is expected to intensify while

moving east-southeastward from southeast Pennsylvania into New

Jersey this afternoon.  The storm environment will favor a mix of

short line segments and supercells capable of producing damaging

winds, though an isolated tornado and hail may occur with the

strongest storms.



The severe thunderstorm watch area is approximately along and 35

statute miles north and south of a line from 30 miles north

northwest of Philadelphia PA to 30 miles east southeast 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.



&&



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.



...Thompson

