324
WWUS20 KWNS 071720
SEL0
SPC WW 071720
CTZ000-DCZ000-DEZ000-MDZ000-NJZ000-NYZ000-PAZ000-VAZ000-
WVZ000-CWZ000-080100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 540
NWS STORM PREDICTION CENTER NORMAN OK
120 PM EDT FRI AUG 7 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST CONNECTICUT
DISTRICT OF COLUMBIA
DELAWARE
MARYLAND
NEW JERSEY
SOUTHERN NEW YORK
EASTERN PENNSYLVANIA
NORTHERN VIRGINIA
FAR EASTERN WEST VIRGINIA
COASTAL WATERS
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 120 PM UNTIL
900 PM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 65 MPH LIKELY
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
SUMMARY...LOOSELY ORGANIZED CLUSTERS SHOULD POSE A THREAT FOR MAINLY
SCATTERED DAMAGING WINDS AS THEY SPREAD EAST-NORTHEASTWARD THIS
AFTERNOON AND EVENING. ISOLATED HAIL MAY ALSO OCCUR WITH THE
STRONGER CORES.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF NEWARK
NJ TO 35 MILES WEST SOUTHWEST OF WASHINGTON DC. 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 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
26025.
...GLEASON
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