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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 69
NWS Storm Prediction Center Norman OK
505 PM EDT Sun Mar 28 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Southern New Jersey
Extreme southeastern Pennsylvania
* Effective this Sunday afternoon and evening from 505 PM until
900 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A narrow band of shallow convection along a cold front
will likely persist while moving eastward from Maryland and Virginia
into New Jersey and Delaware the remainder of this afternoon into
this evening. A few damaging gusts will be the main threat, though
a brief tornado with embedded circulations cannot be ruled out.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 10 miles north of
Philadelphia PA to 50 miles south southwest of Dover DE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
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 68...
AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 400. Mean storm motion vector