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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 435
NWS Storm Prediction Center Norman OK
430 PM EDT Sun Jul 2 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Central and eastern Maryland
* Effective this Sunday afternoon and evening from 430 PM until
1100 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 few lower-topped supercells over
south-central/east-central Pennsylvania should consolidate into a
cluster across parts of the Delaware Valley. Additional cells
forming into northern Virginia may evolve into a cluster across the
Chesapeake Bay vicinity with damaging wind as the main threat.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 5 miles southeast of
Patuxent River MD to 25 miles east northeast of Allentown PA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
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 430...WW 431...WW
432...WW 433...WW 434...
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