Alert archive / New Jersey / Flood Watches in 2025

Flood Watch 9, NWS Philadelphia/Mount Holly

July 15, 202510 counties in Pennsylvania; 11 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this flood watch at Jul 15, 2025, 2:37 PM EDT for 10 counties in Pennsylvania; 11 counties in New Jersey; New Castle County, Delaware. It took effect at Jul 16, 2025, 3:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 15, 2025, 2:37 PM EDT (18:37 UTC)
In effect from
Jul 16, 2025, 3:00 PM EDT
Expired
Jul 17, 2025, 12:58 AM EDT
In force
10 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 22 counties

New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris 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), 76 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 201 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 2025-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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 2025-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
142 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WGUS61 KPHI 151837
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
237 PM EDT Tue Jul 15 2025

NJZ001-007>010-012-015-160800-
/O.NEW.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of New Brunswick, Washington, Somerville,
Newton, Flemington, Trenton, and Morristown
237 PM EDT Tue Jul 15 2025

...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE 
WEDNESDAY NIGHT...

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

* WHERE...Portions of central, northern, and northwest New Jersey, 
  including the following counties, in central New Jersey, Mercer. 
  In northern New Jersey, Middlesex, Morris, Somerset, Sussex and 
  Warren. In northwest New Jersey, Hunterdon.

* WHEN...From Wednesday afternoon through late Wednesday night.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    for Wednesday afternoon lasting into Wednesday night. Storms
    will be capable of dropping a quick 1 to 2 inches of rainfall
    within a 1 to 3 hour period leading to flash flooding.
  - 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.

&&

$$

Fitzsimmons
5 follow-up statements
384 
WGUS61 KPHI 160712
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
312 AM EDT Wed Jul 16 2025

NJZ001-007>010-012-015-162100-
/O.CON.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of Washington, Morristown, New Brunswick,
Newton, Trenton, Flemington, and Somerville
312 AM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT FROM 3 PM EDT THIS AFTERNOON 
THROUGH LATE TONIGHT...

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

* WHERE...Portions of central, northern, and northwest New Jersey, 
  including the following counties, in central New Jersey, Mercer. 
  In northern New Jersey, Middlesex, Morris, Somerset, Sussex and 
  Warren. In northwest New Jersey, Hunterdon.

* WHEN...From 3 PM EDT this afternoon through late tonight.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding.
  - 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.

&&

$$

DeSilva
850 
WGUS61 KPHI 161554
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
1154 AM EDT Wed Jul 16 2025

PAZ054-055-060>062-070-071-101>106-170400-
/O.EXB.KPHI.FA.A.0009.250716T1900Z-250717T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-Eastern
Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Lansdale, Collegeville, Honey Brook,
Perkasie, Stroudsburg, Reading, Media, West Chester, Oxford,
Bethlehem, Doylestown, Norristown, Morrisville, Chalfont, Jim
Thorpe, Pottstown, Kennett Square, Allentown, Easton, and
Philadelphia
1154 AM EDT Wed Jul 16 2025

...FLOOD WATCH IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH THIS 
EVENING...

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

* WHERE...Portions of east central, northeast, and southeast 
  Pennsylvania, including the following areas, in east central 
  Pennsylvania, Berks, Lehigh and Northampton. In northeast 
  Pennsylvania, Carbon and Monroe. In southeast Pennsylvania, 
  Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...From 3 PM EDT this afternoon through this evening.

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

* ADDITIONAL DETAILS...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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-NJZ016>019-170400-
/O.EXA.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Moorestown, Mount Holly, Wilmington,
Pennsville, Glassboro, Cherry Hill, and Camden
1154 AM EDT Wed Jul 16 2025

...FLOOD WATCH IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE 
TONIGHT...

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

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle and southern New Jersey, including the following 
  areas, Camden, Gloucester, Northwestern Burlington and Salem.

* WHEN...From 3 PM EDT this afternoon through late tonight.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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>010-012-015-170400-
/O.CON.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of New Brunswick, Newton, Morristown,
Flemington, Trenton, Somerville, and Washington
1154 AM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT FROM 3 PM EDT THIS AFTERNOON 
THROUGH LATE TONIGHT...

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

* WHERE...Portions of central, northern, and northwest New Jersey, 
  including the following counties, in central New Jersey, Mercer. 
  In northern New Jersey, Middlesex, Morris, Somerset, Sussex and 
  Warren. In northwest New Jersey, Hunterdon.

* WHEN...From 3 PM EDT this afternoon through late tonight.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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.

&&

$$

ZC
136 
WGUS61 KPHI 161556
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
1156 AM EDT Wed Jul 16 2025

PAZ054-055-060>062-070-071-101>106-170400-
/O.EXT.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-Eastern
Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Lansdale, Collegeville, Honey Brook,
Perkasie, Stroudsburg, Reading, Media, West Chester, Oxford,
Bethlehem, Doylestown, Norristown, Morrisville, Chalfont, Jim
Thorpe, Pottstown, Kennett Square, Allentown, Easton, and
Philadelphia
1156 AM EDT Wed Jul 16 2025

...FLOOD WATCH NOW IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH 
LATE TONIGHT...

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

* WHERE...Portions of east central, northeast, and southeast 
  Pennsylvania, including the following areas, in east central 
  Pennsylvania, Berks, Lehigh and Northampton. In northeast 
  Pennsylvania, Carbon and Monroe. In southeast Pennsylvania, 
  Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...From 3 PM EDT this afternoon through late tonight.

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

* ADDITIONAL DETAILS...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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>010-012-015-170400-
/O.CON.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of New Brunswick, Newton, Morristown,
Flemington, Trenton, Somerville, and Washington
1156 AM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT FROM 3 PM EDT THIS AFTERNOON 
THROUGH LATE TONIGHT...

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

* WHERE...Portions of central, northern, and northwest New Jersey, 
  including the following counties, in central New Jersey, Mercer. 
  In northern New Jersey, Middlesex, Morris, Somerset, Sussex and 
  Warren. In northwest New Jersey, Hunterdon.

* WHEN...From 3 PM EDT this afternoon through late tonight.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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-NJZ016>019-170400-
/O.CON.KPHI.FA.A.0009.250716T1900Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Moorestown, Mount Holly, Wilmington,
Pennsville, Glassboro, Cherry Hill, and Camden
1156 AM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT FROM 3 PM EDT THIS AFTERNOON 
THROUGH LATE TONIGHT...

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

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle and southern New Jersey, including the following 
  areas, Camden, Gloucester, Northwestern Burlington and Salem.

* WHEN...From 3 PM EDT this afternoon through late tonight.

* 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...
  - Another round of heavy showers and thunderstorms is expected
    late this afternoon through this evening. Storms will be
    capable of dropping a quick 1 to 2 inches of rainfall within
    a 1 to 3 hour period leading to flash flooding. Isolated
    amounts of 2 to 4 inches will be 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.

&&

$$

ZC
401 
WGUS61 KPHI 170332
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
1132 PM EDT Wed Jul 16 2025

NJZ001-007>010-012-015-170700-
/O.CON.KPHI.FA.A.0009.000000T0000Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of Trenton, Washington, Flemington,
Morristown, Newton, New Brunswick, and Somerville
1132 PM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM EDT THURSDAY...

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

* WHERE...Portions of central, northern, and northwest New Jersey, 
  including the following counties, in central New Jersey, Mercer. 
  In northern New Jersey, Middlesex, Morris, Somerset, Sussex and 
  Warren. In northwest New Jersey, Hunterdon.

* WHEN...Until 3 AM EDT Thursday.

* 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...
  - Heavy showers and thunderstorms will continue over the next
    several hours. Storms will be capable of dropping a quick 1
    to 2 inches of rainfall within a 1 to 3 hour period leading
    to flash flooding. Isolated amounts of 2 to 4 inches will be
    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.

&&

$$

PAZ054-055-060>062-070-071-101>106-170700-
/O.CON.KPHI.FA.A.0009.000000T0000Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-Eastern
Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Lansdale, Perkasie, Pottstown, Kennett
Square, Chalfont, Stroudsburg, Bethlehem, Jim Thorpe,
Morrisville, Doylestown, Philadelphia, Collegeville, Honey Brook,
Norristown, Reading, West Chester, Easton, Media, Oxford, and
Allentown
1132 PM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM EDT THURSDAY...

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

* WHERE...Portions of east central, northeast, and southeast 
  Pennsylvania, including the following areas, in east central 
  Pennsylvania, Berks, Lehigh and Northampton. In northeast 
  Pennsylvania, Carbon and Monroe. In southeast Pennsylvania, 
  Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...Until 3 AM EDT Thursday.

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

* ADDITIONAL DETAILS...
  - Heavy showers and thunderstorms will continue over the next
    several hours. Storms will be capable of dropping a quick 1
    to 2 inches of rainfall within a 1 to 3 hour period leading
    to flash flooding. Isolated amounts of 2 to 4 inches will be
    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-NJZ016>019-170700-
/O.CON.KPHI.FA.A.0009.000000T0000Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Glassboro, Cherry Hill, Moorestown,
Wilmington, Pennsville, Mount Holly, and Camden
1132 PM EDT Wed Jul 16 2025

...FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM EDT THURSDAY...

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

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle and southern New Jersey, including the following 
  areas, Camden, Gloucester, Northwestern Burlington and Salem.

* WHEN...Until 3 AM EDT Thursday.

* 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...
  - Heavy showers and thunderstorms will continue over the next
    several hours. Storms will be capable of dropping a quick 1
    to 2 inches of rainfall within a 1 to 3 hour period leading
    to flash flooding. Isolated amounts of 2 to 4 inches will be
    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.

&&

$$

DeSilva
115 
WGUS61 KPHI 170458
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
1258 AM EDT Thu Jul 17 2025

DEZ001-NJZ001-007>010-012-015>019-PAZ054-055-060>062-070-071-101>106-
170600-
/O.CAN.KPHI.FA.A.0009.000000T0000Z-250717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Carbon-
Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-Western
Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-
Upper Bucks-Lower Bucks-
Including the cities of Kennett Square, Reading, Pennsville,
Easton, Mount Holly, Moorestown, Perkasie, Camden, Wilmington,
New Brunswick, Allentown, Glassboro, Honey Brook, Trenton,
Chalfont, Pottstown, Flemington, Somerville, Lansdale, Bethlehem,
Collegeville, Norristown, Morristown, Doylestown, Stroudsburg,
Jim Thorpe, Media, Morrisville, West Chester, Oxford,
Philadelphia, Washington, Newton, and Cherry Hill
1258 AM EDT Thu Jul 17 2025

...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, Hunterdon, 
Mercer, Middlesex, Morris, Northwestern Burlington, Salem, Somerset, 
Sussex and Warren, and Pennsylvania, including the following areas, 
Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, 
Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, 
Western Chester and Western Montgomery.

Some showers and storms with brief heavy downpours are possible 
through daybreak, but flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 10:45 PM EDTAreal Flood WarningPHILehigh, Montgomery4 hr
Jul 14, 8:01 PM EDTSpecial Marine WarningPHI119 min
Jul 14, 9:25 PM EDTAreal Flood WarningPHIMiddlesex, Morris, Somerset16 hr
Jul 14, 9:32 PM EDTAreal Flood WarningPHIMorris3 hr
Jul 14, 10:30 PM EDTFlash Flood WarningPHICumberland3 hr
Jul 15, 1:20 AM EDTFlash Flood WarningPHIOcean3 hr
Jul 15, 2:32 AM EDTSpecial Marine WarningPHI58 min
Jul 15, 6:34 PM EDTFlash Flood WarningPHIKent, Sussex2 hr

Nearby

Flood Watches in New Jersey, 2025Flood Watches in Pennsylvania, 2025Flood Watches in Delaware, 2025Every flood watch in 2025

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.