850
WGUS61 KPHI 201844
FFAPHI
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
244 PM EDT MON JUL 20 2026
DEZ001-NJZ008>010-012>015-017>019-PAZ070-071-101>106-211000-
/O.NEW.KPHI.FA.A.0005.260721T1000Z-260722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN
MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF HONEY BROOK, WILMINGTON, DOYLESTOWN,
MORRISTOWN, WEST CHESTER, MOUNT HOLLY, PERKASIE, SOMERVILLE,
NORRISTOWN, MEDIA, MORRISVILLE, SANDY HOOK, CHERRY HILL,
COLLEGEVILLE, LANSDALE, MOORESTOWN, TRENTON, NEW BRUNSWICK,
KENNETT SQUARE, GLASSBORO, POTTSTOWN, PHILADELPHIA, FLEMINGTON,
CHALFONT, CAMDEN, OXFORD, AND FREEHOLD
244 PM EDT MON JUL 20 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY
NIGHT...
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...PORTIONS OF NORTHERN DELAWARE, INCLUDING THE FOLLOWING
AREA, NEW CASTLE, NEW JERSEY, INCLUDING THE FOLLOWING AREAS,
CAMDEN, EASTERN MONMOUTH, GLOUCESTER, HUNTERDON, MERCER,
MIDDLESEX, MORRIS, NORTHWESTERN BURLINGTON, SOMERSET AND WESTERN
MONMOUTH, AND SOUTHEAST PENNSYLVANIA, INCLUDING THE FOLLOWING
AREAS, DELAWARE, EASTERN CHESTER, EASTERN MONTGOMERY, LOWER BUCKS,
PHILADELPHIA, UPPER BUCKS, WESTERN CHESTER AND WESTERN MONTGOMERY.
* WHEN...FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.
* ADDITIONAL DETAILS...
- MULTIPLE ROUNDS OF HEAVY SHOWERS AND THUNDERSTORMS ARE
EXPECTED BEGINNING TUESDAY MORNING THROUGH TUESDAY NIGHT.
RAINFALL RATES OF UP TO 2 INCHES PER HOUR WILL BE POSSIBLE AT
TIMES.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
MJL
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