SPC Severe Thunderstorm Watch 556
WW 556 SEVERE TSTM DE MD NJ NY PA CW 101810Z - 110100Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 556
NWS Storm Prediction Center Norman OK
210 PM EDT Mon Aug 10 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Delaware
Eastern Maryland
New Jersey
Southeast New York
Eastern Pennsylvania
Coastal Waters

* Effective this Monday afternoon and evening from 210 PM until
900 PM EDT.

* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1 inch in diameter possible

SUMMARY...Lines and clusters of thunderstorms over central
Pennsylvania will track eastward across the watch area this
afternoon and early evening. Damaging winds may accompany the
stronger storms.

The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 55 miles north northwest
of Newark NJ to 40 miles south of Dover DE. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU6).

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 552...WW 553...WW
554...WW 555...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 65 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27030.

...Hart


Read more
https://www.spc.noaa.gov/products/watch/ww0556.html