584
WWUS20 KWNS 181641
SEL3
SPC WW 181641
DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-CWZ000-182300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 433
NWS STORM PREDICTION CENTER NORMAN OK
1245 PM EDT WED JUN 18 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
DELAWARE
EASTERN MARYLAND
SOUTHERN NEW JERSEY
SOUTHEAST PENNSYLVANIA
NORTHERN VIRGINIA
COASTAL WATERS
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1245 PM
UNTIL 700 PM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...SCATTERED THUNDERSTORMS WILL SPREAD EASTWARD ACROSS THE
WATCH AREA THROUGH THE AFTERNOON. THE STRONGEST CELLS WILL BE
CAPABLE OF LOCALIZED DAMAGING WIND GUSTS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
PHILADELPHIA PA TO 55 MILES SOUTHEAST OF WASHINGTON DC. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).
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 432...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27025.
...HART
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