Alert archive / New Jersey / Flash Flood Warnings in 2025
Flash Flood Warning 69, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 15, 2025, 1:20 AM EDT for Ocean 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 15, 2025, 1:20 AM EDT (05:20 UTC)
- Expired
- Jul 15, 2025, 4:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 05:19 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 00:00Z, 5.3 hours before the alert went out and 172 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.
- Mixed-layer CAPE
- 273 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 736 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
144
WGUS51 KPHI 150520
FFWPHI
NJC029-150815-
/O.NEW.KPHI.FF.W.0069.250715T0520Z-250715T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
120 AM EDT Tue Jul 15 2025
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southeastern Ocean County in southern New Jersey...
* Until 415 AM EDT.
* At 120 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 4 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 already
occurring.
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...
Barnegat, Brookville, Beach Haven West, Warren Grove, Ocean Acres,
Manahawkin and Waretown.
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 3964 7439 3976 7439 3977 7439 3978 7439
3987 7419 3984 7414 3980 7415 3976 7416
3972 7415 3967 7419 3964 7424
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
Staarmann2 follow-up statements
150
WGUS71 KPHI 150642
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
242 AM EDT Tue Jul 15 2025
NJC029-150815-
/O.CON.KPHI.FF.W.0069.000000T0000Z-250715T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-
242 AM EDT Tue Jul 15 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM EDT EARLY THIS
MORNING FOR SOUTHEASTERN OCEAN COUNTY...
At 242 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 2
and 5 inches of rain have fallen. Flooding impacts will continue,
but no additional rainfall is expected. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Barnegat, Brookville, Beach Haven West, Warren Grove, Ocean Acres,
Manahawkin and Waretown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3964 7439 3976 7439 3977 7439 3978 7439
3987 7419 3984 7414 3980 7415 3976 7416
3972 7415 3967 7419 3964 7424
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Staarmann204
WGUS71 KPHI 150809
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
409 AM EDT Tue Jul 15 2025
NJC029-150819-
/O.EXP.KPHI.FF.W.0069.000000T0000Z-250715T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-
409 AM EDT Tue Jul 15 2025
...FLASH FLOOD WARNING WILL EXPIRE AT 415 AM EDT EARLY THIS MORNING
FOR SOUTHEASTERN OCEAN COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 3964 7439 3976 7439 3977 7439 3978 7439
3987 7419 3984 7414 3980 7415 3976 7416
3972 7415 3967 7419 3964 7424
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 8:01 PM EDT | Special Marine Warning | PHI | 119 min | |
| Jul 14, 9:25 PM EDT | Areal Flood Warning | PHI | Middlesex, Morris, Somerset | 16 hr |
| Jul 14, 9:32 PM EDT | Areal Flood Warning | PHI | Morris | 3 hr |
| Jul 14, 10:30 PM EDT | Flash Flood Warning | PHI | Cumberland | 3 hr |
| Jul 15, 2:32 AM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 15, 2:37 PM EDT | Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more | 34 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.