Alert archive / New Jersey / Flood Watches in 2026

Flood Watch 6, NWS Philadelphia/Mount Holly

July 27, 202610 counties in Pennsylvania; 13 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this flood watch at Jul 27, 2026, 2:15 PM EDT for 10 counties in Pennsylvania; 13 counties in New Jersey; New Castle County, Delaware. It took effect at Jul 28, 2026, 8:00 AM EDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Jul 27, 2026, 2:15 PM EDT (18:15 UTC)
In effect from
Jul 28, 2026, 8:00 AM EDT
Expired
Jul 29, 2026, 4:16 AM EDT
In force
20 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 24 counties

New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 18:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.3 hours before the alert went out and 196 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2026-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2026-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
199 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
928 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

860 
WGUS61 KPHI 271815
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
215 PM EDT Mon Jul 27 2026

DEZ001-NJZ001-007>010-012>020-026-027-PAZ054-055-060>062-070-071-
101>106-280615-
/O.NEW.KPHI.FA.A.0006.260728T1200Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Coastal Ocean-Southeastern
Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-
Philadelphia-Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Honey Brook, West Chester, Norristown,
Lansdale, Jim Thorpe, Wilmington, Easton, Jackson, Sandy Hook,
Allentown, Kennett Square, Chalfont, Washington, Philadelphia,
Freehold, Pottstown, Moorestown, Reading, Media, Wharton State
Forest, Oxford, Morristown, Cherry Hill, Pennsville, Perkasie,
Doylestown, Camden, New Brunswick, Stroudsburg, Flemington,
Glassboro, Trenton, Collegeville, Somerville, Morrisville, Long
Beach Island, Newton, Mount Holly, and Bethlehem
215 PM EDT Mon Jul 27 2026

...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY 
AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Northern Delaware, New Jersey and eastern Pennsylvania 
  including the Southern Poconos, Lehigh Valley and metro 
  Philadelphia.

* WHEN...From Tuesday morning through Wednesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Creeks and streams may rise out of their banks. Flooding may occur 
  in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Showers and thunderstorms will increase over the area Tuesday
    morning and afternoon. Rainfall rates of 1 to 2 inches per
    hour are possible. Total rainfall of 2 to 4 inches could
    occur into Tuesday night.
  - 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.

&&

$$

PO
5 follow-up statements
866 
WGUS61 KPHI 280617
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
217 AM EDT Tue Jul 28 2026

NJZ001-007>010-012-PAZ054-055-061-062-282000-
/O.EXT.KPHI.FA.A.0006.260728T1200Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Carbon-Monroe-
Lehigh-Northampton-
Including the cities of Allentown, Morristown, Washington,
Stroudsburg, Easton, Newton, New Brunswick, Jim Thorpe,
Somerville, Bethlehem, and Flemington
217 AM EDT Tue Jul 28 2026

...FLOOD WATCH NOW IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH 
WEDNESDAY EVENING...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of New Jersey, including the following counties, 
  Hunterdon, Middlesex, Morris, Somerset, Sussex and Warren and 
  Pennsylvania, including the following counties, Carbon, Lehigh, 
  Monroe and Northampton.

* WHEN...From 8 AM EDT this morning through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through today
    into tonight. Rainfall rates of 1 to 3 inches per hour are
    possible. Another round of heavy rain is anticipated on
    Wednesday afternoon and evening. This could further result in
    flash flooding and/or flooding of creeks and streams.
    Rainfall amount of 2 to 5 inches are expected with locally
    higher amounts possible.
  - 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.

&&

$$

DEZ001-NJZ013>020-026-027-PAZ060-070-071-101>106-282000-
/O.CON.KPHI.FA.A.0006.260728T1200Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Coastal Ocean-
Southeastern Burlington-Berks-Delaware-Philadelphia-Western
Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-
Upper Bucks-Lower Bucks-
Including the cities of Lansdale, Oxford, Camden, Kennett Square,
Sandy Hook, Wharton State Forest, Freehold, Media, Collegeville,
Pennsville, Mount Holly, West Chester, Pottstown, Perkasie,
Morrisville, Honey Brook, Reading, Wilmington, Glassboro,
Trenton, Jackson, Long Beach Island, Philadelphia, Moorestown,
Doylestown, Chalfont, Cherry Hill, and Norristown
217 AM EDT Tue Jul 28 2026

...FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH 
WEDNESDAY AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle, New Jersey, including the following areas, 
  Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Mercer, 
  Northwestern Burlington, Ocean, Salem, Southeastern Burlington and 
  Western Monmouth, and Pennsylvania, including the following areas, 
  Berks, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...From 8 AM EDT this morning through Wednesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Creeks and streams may rise out of their banks. Flooding may occur 
  in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through today
    into tonight. Rainfall rates of 1 to 3 inches per hour are
    possible. Rainfall amount of 1 to 3 inches are expected with
    locally higher amounts possible.
  - 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.

&&

$$

Hoeflich
902 
WGUS61 KPHI 281638
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
1238 PM EDT Tue Jul 28 2026

DEZ001-NJZ013>020-026-027-PAZ060-070-071-101>106-290600-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Coastal Ocean-
Southeastern Burlington-Berks-Delaware-Philadelphia-Western
Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-
Upper Bucks-Lower Bucks-
Including the cities of West Chester, Cherry Hill, Wilmington,
Chalfont, Glassboro, Collegeville, Philadelphia, Trenton, Sandy
Hook, Pottstown, Perkasie, Mount Holly, Media, Oxford,
Pennsville, Reading, Lansdale, Freehold, Wharton State Forest,
Honey Brook, Kennett Square, Norristown, Doylestown, Morrisville,
Moorestown, Jackson, Camden, and Long Beach Island
1238 PM EDT Tue Jul 28 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle, New Jersey, including the following areas, 
  Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Mercer, 
  Northwestern Burlington, Ocean, Salem, Southeastern Burlington and 
  Western Monmouth, and Pennsylvania, including the following areas, 
  Berks, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...Through Wednesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Creeks and streams may rise out of their banks. Flooding may occur 
  in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through this
    afternoon through tonight. Rainfall rates of 1 to 3 inches
    per hour are possible. Rainfall amount of 1 to 3 inches are
    expected with locally higher amounts possible.
  - 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.

&&

$$

NJZ001-007>010-012-PAZ054-055-061-062-290600-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Carbon-Monroe-
Lehigh-Northampton-
Including the cities of New Brunswick, Jim Thorpe, Allentown,
Newton, Flemington, Washington, Somerville, Stroudsburg,
Morristown, Easton, and Bethlehem
1238 PM EDT Tue Jul 28 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of New Jersey, including the following counties, 
  Hunterdon, Middlesex, Morris, Somerset, Sussex and Warren and 
  Pennsylvania, including the following counties, Carbon, Lehigh, 
  Monroe and Northampton.

* WHEN...Through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through this
    afternoon into tonight. Rainfall rates of 1 to 3 inches per
    hour are possible. Another round of heavy rain is anticipated
    on Wednesday afternoon and evening. This could further result
    in flash flooding and/or flooding of creeks and streams.
    Rainfall amount of 2 to 5 inches are expected with locally
    higher amounts possible.
  - 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.

&&

$$

PO
961 
WGUS61 KPHI 282210
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
610 PM EDT Tue Jul 28 2026

DEZ001-NJZ013>020-026-027-PAZ060-070-071-101>106-291800-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Coastal Ocean-
Southeastern Burlington-Berks-Delaware-Philadelphia-Western
Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-
Upper Bucks-Lower Bucks-
Including the cities of Perkasie, Glassboro, Jackson, Moorestown,
Honey Brook, Wharton State Forest, Philadelphia, Kennett Square,
Media, Chalfont, Pottstown, Wilmington, Collegeville, Mount
Holly, Camden, Reading, Doylestown, West Chester, Norristown,
Trenton, Morrisville, Freehold, Long Beach Island, Pennsville,
Cherry Hill, Oxford, Sandy Hook, and Lansdale
610 PM EDT Tue Jul 28 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle, New Jersey, including the following areas, 
  Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Mercer, 
  Northwestern Burlington, Ocean, Salem, Southeastern Burlington and 
  Western Monmouth, and Pennsylvania, including the following areas, 
  Berks, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...Through Wednesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Creeks and streams may rise out of their banks. Flooding may occur 
  in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through this
    afternoon through tonight. Rainfall rates of 1 to 3 inches
    per hour are possible. Rainfall amount of 1 to 3 inches are
    expected with locally higher amounts possible.
  - 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.

&&

$$

NJZ001-007>010-012-PAZ054-055-061-062-300000-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Carbon-Monroe-
Lehigh-Northampton-
Including the cities of Newton, Easton, Morristown, Allentown,
Somerville, New Brunswick, Washington, Flemington, Jim Thorpe,
Stroudsburg, and Bethlehem
610 PM EDT Tue Jul 28 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of New Jersey, including the following counties, 
  Hunterdon, Middlesex, Morris, Somerset, Sussex and Warren and 
  Pennsylvania, including the following counties, Carbon, Lehigh, 
  Monroe and Northampton.

* WHEN...Through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Widespread showers and thunderstorms will move through this
    afternoon into tonight. Rainfall rates of 1 to 3 inches per
    hour are possible. Another round of heavy rain is anticipated
    on Wednesday afternoon and evening. This could further result
    in flash flooding and/or flooding of creeks and streams.
    Rainfall amount of 2 to 5 inches are expected with locally
    higher amounts possible.
  - 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.

&&

$$

RCM
143 
WGUS61 KPHI 290426
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
1226 AM EDT Wed Jul 29 2026

DEZ001-NJZ015>019-027-PAZ060-070-071-101>106-290530-
/O.CAN.KPHI.FA.A.0006.000000T0000Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Mercer-Salem-Gloucester-Camden-Northwestern Burlington-
Southeastern Burlington-Berks-Delaware-Philadelphia-Western
Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-
Upper Bucks-Lower Bucks-
Including the cities of Honey Brook, Philadelphia, Trenton,
Camden, Morrisville, Norristown, Oxford, Perkasie, Cherry Hill,
Reading, Mount Holly, Wilmington, West Chester, Doylestown,
Pottstown, Glassboro, Wharton State Forest, Media, Collegeville,
Kennett Square, Pennsville, Lansdale, Chalfont, and Moorestown
1226 AM EDT Wed Jul 29 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for portions of northern 
Delaware, including the following area, New Castle, New Jersey, 
including the following areas, Camden, Gloucester, Mercer, 
Northwestern Burlington, Salem and Southeastern Burlington, and 
Pennsylvania, including the following areas, Berks, Delaware, 
Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, 
Upper Bucks, Western Chester and Western Montgomery.

The flash flooding threat has ended. Therefore, the Flash Flood 
Watch is being cancelled.

$$

NJZ001-007-009-PAZ054-055-061-062-290530-
/O.CAN.KPHI.FA.A.0006.000000T0000Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Hunterdon-Carbon-Monroe-Lehigh-Northampton-
Including the cities of Washington, Allentown, Newton,
Flemington, Easton, Jim Thorpe, Bethlehem, and Stroudsburg
1226 AM EDT Wed Jul 29 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for portions of New Jersey, 
including the following areas, Hunterdon, Sussex and Warren and 
Pennsylvania, including the following areas, Carbon, Lehigh, Monroe 
and Northampton.

The flash flooding threat has ended. Therefore, the Flash Flood 
Watch is being cancelled.

$$

NJZ013-014-020-026-291630-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean-
Including the cities of Jackson, Sandy Hook, Freehold, and Long
Beach Island
1226 AM EDT Wed Jul 29 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of central and southern New Jersey, including the 
  following areas, in central New Jersey, Eastern Monmouth and 
  Western Monmouth. In southern New Jersey, Coastal Ocean and Ocean.

* WHEN...Through this afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Creeks and streams may rise out of their banks. Flooding may occur 
  in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Rainfall remains ongoing across the watch area. Additional
    amounts up to an inch or two remain possible and active Flash
    Flood Warnings remain in place.
  - 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.

&&

$$

NJZ008-010-012-291630-
/O.CON.KPHI.FA.A.0006.000000T0000Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris-Somerset-Middlesex-
Including the cities of Somerville, Morristown, and New Brunswick
1226 AM EDT Wed Jul 29 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...A portion of northern New Jersey, including the following 
  counties, Middlesex, Morris and Somerset.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - While most of the rain has ended, some rising rivers, creeks,
    and streams are being observed which could result in
    flooding. The flood threat does look less for Wednesday, so
    the Flood Watch may be able to end early.
  - 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.

&&

$$

Hoeflich
887 
WGUS61 KPHI 290816
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
416 AM EDT Wed Jul 29 2026

NJZ008-010-012-290930-
/O.CAN.KPHI.FA.A.0006.000000T0000Z-260730T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris-Somerset-Middlesex-
Including the cities of Somerville, Morristown, and New Brunswick
416 AM EDT Wed Jul 29 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for a portion of northern New 
Jersey, including the following areas, Middlesex, Morris and 
Somerset.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$

NJZ013-014-020-026-290930-
/O.CAN.KPHI.FA.A.0006.000000T0000Z-260729T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean-
Including the cities of Jackson, Sandy Hook, Freehold, and Long
Beach Island
416 AM EDT Wed Jul 29 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for portions of central and 
southern New Jersey, including the following areas, in central New 
Jersey, Eastern Monmouth and Western Monmouth. In southern New 
Jersey, Coastal Ocean and Ocean.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$

Hoeflich

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 2:57 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia48 min
Jul 27, 3:01 PM EDTSevere Thunderstorm WarningPHIChester, Montgomery44 min
Jul 27, 3:41 PM EDTSevere Thunderstorm WarningPHIMontgomery, Philadelphia49 min
Jul 27, 3:50 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton40 min
Jul 27, 3:58 PM EDTFlash Flood WarningPHIDelaware, Montgomery, Philadelphia3 hr
Jul 27, 5:25 PM EDTFlash Flood WarningPHILehigh2 hr
Jul 27, 5:51 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh23 min
Jul 27, 2:13 AM EDTSmall Craft AdvisoryPHI52 hr
Jul 27, 3:50 AM EDTSpecial Marine WarningPHI85 min
Jul 27, 1:57 PM EDTSpecial Marine WarningPHI44 min
Jul 27, 4:21 PM EDTSevere Thunderstorm WarningPHIMercer39 min
Jul 27, 4:32 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden31 min
Jul 27, 4:38 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset24 min
Jul 27, 5:06 PM EDTSevere Thunderstorm WarningPHIMiddlesex39 min
Jul 27, 5:14 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden31 min
Jul 27, 5:43 PM EDTSevere Thunderstorm WarningPHIMiddlesex27 min
Jul 27, 5:49 PM EDTFlash Flood WarningPHIMiddlesex3 hr
Jul 27, 6:06 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Gloucester39 min
Jul 27, 6:07 PM EDTFlash Flood WarningPHIAtlantic4 hr
Jul 27, 6:28 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester47 min
Jul 27, 6:59 PM EDTFlash Flood WarningPHIGloucester2 hr
Jul 27, 7:12 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester15 min
Jul 27, 3:31 PM EDTSevere Thunderstorm WarningPHISussex44 min
Jul 27, 4:14 PM EDTSevere Thunderstorm WarningPHIKent, Sussex46 min
Jul 27, 4:56 PM EDTSevere Thunderstorm WarningPHIKent, Sussex20 min
Jul 27, 5:22 PM EDTFlash Flood WarningPHISussex2 hr

Nearby

Flood Watches in New Jersey, 2026Flood Watches in Pennsylvania, 2026Flood Watches in Delaware, 2026Every flood watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.