URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 351
NWS Storm Prediction Center Norman OK
210 PM EDT Thu Jul 8 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and central New Jersey
Southeast New York
* Effective this Thursday afternoon and evening from 210 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
A tornado or two possible
SUMMARY...Scattered severe thunderstorms including a few supercells
should continue to develop and spread east-northeastward across the
region, particularly in vicinity of an effective boundary. Damaging
winds and severe hail are the primary concerns, although a tornado
cannot be ruled out.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 30 miles west southwest
of Allentown PA to 15 miles north northeast of Groton CT. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).
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
OTHER WATCH INFORMATION...CONTINUE...WW 349...WW 350...
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
...STRONG THUNDERSTORMS WILL AFFECT PARTS OF LANCASTER AND YORK
COUNTIES UNTIL 315 PM EDT...
At 235 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from Wrightsville to near Holtwood. Movement was
northeast at 20 mph.
Pea size hail and wind gusts up to 50 mph are possible.
Locations impacted include...
Lancaster, Columbia, Millersville, Willow Street, Mount Joy, Manheim,
East Petersburg, Stonybrook-Wilshire, Paradise, Salunga-Landisville,
Maytown, Strasburg, Mountville, Hallam, Marietta, Quarryville,
Wrightsville, Windsor, Wakefield and Yorkana.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.
LAT...LON 3994 7664 4022 7650 3996 7600 3972 7623
TIME...MOT...LOC 1835Z 210DEG 18KT 4000 7655 3980 7629