Alert archive / New Jersey / Flash Flood Warnings in 2025

Flash Flood Warning 68, NWS Philadelphia/Mount Holly

July 14, 2025Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 14, 2025, 10:30 PM EDT for Cumberland County, New Jersey. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 14, 2025, 10:30 PM EDT (02:30 UTC)
Expired
Jul 15, 2025, 1:28 AM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 62 km from the middle of the area, began a volume at 02:35 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.5 hours before the alert went out and 151 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, Wallops Is Stn, VA at 00:00Z on 2025-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 995 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, Wallops Is Stn, VA at 00:00Z on 2025-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
995 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
965 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

735 
WGUS51 KPHI 150230
FFWPHI
NJC011-150630-
/O.NEW.KPHI.FF.W.0068.250715T0230Z-250715T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1030 PM EDT Mon Jul 14 2025

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Southeastern Cumberland County in southern New Jersey...

* Until 230 AM EDT.

* At 1030 PM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1.5 and 3 inches of rain have fallen. The expected rainfall rate 
  is 1.5 to 3 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 and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  Millville, Laurel Lake, Estell Manor, Port Norris, Bivalve, 
  Mauricetown, Leesburg, Bricksboro, Dividing Creek, Port Elizabeth, 
  Fortesque and Newport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles. Be especially cautious at night when 
it is harder to recognize the dangers of flooding.

&&

LAT...LON 3937 7485 3934 7486 3932 7486 3931 7488
      3923 7490 3922 7492 3920 7493 3920 7492
      3919 7492 3918 7491 3917 7491 3919 7504
      3920 7505 3917 7514 3920 7518 3924 7520
      3928 7526 3936 7503

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR

$$

Staarmann
2 follow-up statements
610 
WGUS71 KPHI 150310
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
1110 PM EDT Mon Jul 14 2025

NJC011-150630-
/O.CON.KPHI.FF.W.0068.000000T0000Z-250715T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-
1110 PM EDT Mon Jul 14 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EDT TUESDAY 
FOR SOUTHEASTERN CUMBERLAND COUNTY...

At 1110 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 2 
and 5 inches of rain have fallen. The expected rainfall rate is 1 to 
2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are 
possible in the warned area. Flash flooding is ongoing or expected 
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets, and underpasses as well as other
         drainage and low lying areas.

Some locations that may experience flash flooding include...
  Millville, Laurel Lake, Estell Manor, Port Norris, Bivalve, 
  Mauricetown, Leesburg, Bricksboro, Dividing Creek, Port Elizabeth, 
  Fortesque and Newport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles. Be especially cautious at night when 
it is harder to recognize the dangers of flooding.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3937 7485 3934 7486 3932 7486 3931 7488
      3923 7490 3922 7492 3920 7493 3920 7492
      3919 7492 3918 7491 3917 7491 3919 7504
      3920 7505 3917 7514 3920 7518 3924 7520
      3928 7526 3936 7503

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

Staarmann
434 
WGUS71 KPHI 150528
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
128 AM EDT Tue Jul 15 2025

NJC011-150538-
/O.CAN.KPHI.FF.W.0068.000000T0000Z-250715T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-
128 AM EDT Tue Jul 15 2025

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN CUMBERLAND 
COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 3937 7485 3934 7486 3932 7486 3931 7488
      3923 7490 3922 7492 3920 7493 3920 7492
      3919 7492 3918 7491 3917 7491 3919 7504
      3920 7505 3917 7514 3920 7518 3924 7520
      3928 7526 3936 7503

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
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 15, 1:20 AM EDTFlash Flood WarningPHIOcean3 hr
Jul 15, 2:32 AM EDTSpecial Marine WarningPHI58 min
Jul 15, 2:37 PM EDTFlood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more34 hr

Nearby

Flash Flood Warnings in New Jersey, 2025Every flash flood warning 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.