060
WGUS51 KPHI 202139
FFWPHI
DEC003-NJC007-015-033-PAC029-045-091-101-210145-
/O.NEW.KPHI.FF.W.0123.260820T2139Z-260821T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
ISSUED BY NATIONAL WEATHER SERVICE NEW YORK NY
539 PM EDT THU AUG 20 2026
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 945 PM EDT.
* AT 539 PM EDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO 0.5 INCHES OF RAIN HAVE
FALLEN. THE EXPECTED RAINFALL RATE IS 1.5 TO 2.5 INCHES IN 1 HOUR.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN
SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR INDICATED.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER POOR
DRAINAGE AND LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
PHILADELPHIA, CAMDEN, WILMINGTON, NEWARK, WEST CHESTER, GLOUCESTER
CITY, CHESTER, WEST DEPTFORD, YEADON AND WESTTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3972 7587 3979 7579 4001 7558 4009 7537
4015 7511 4014 7503 4012 7496 4008 7496
4006 7498 4005 7497 4002 7501 4001 7505
3999 7506 4000 7503 3998 7501 3984 7515
3971 7543 3957 7578 3972 7579
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-2.5 INCHES IN 1 HOUR
HOEFLICH
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