Alert archive / New Jersey / Flash Flood Warnings in 2025
Flash Flood Warning 96, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 6, 2025, 6:20 PM EDT for Monmouth County, New Jersey. It was in force for 4 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 6, 2025, 6:20 PM EDT (22:20 UTC)
- Expired
- Sep 6, 2025, 9:52 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 22:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 6, 7:02 PM EDT | FLASH FLOOD | Long Branch, NJ | Numerous road closures due to flash flooding. |
| Sep 6, 7:22 PM EDT | FLASH FLOOD | Eatontown, NJ | Car stranded in flood waters at Rt 35 and Clinton Ave. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.3 hours before the alert went out and 131 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
- 975 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
The text
As transmitted.
001
WGUS51 KPHI 062220
FFWPHI
NJC025-070230-
/O.NEW.KPHI.FF.W.0096.250906T2220Z-250907T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
620 PM EDT Sat Sep 6 2025
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southeastern Monmouth County in central New Jersey...
* Until 1030 PM EDT.
* At 620 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts up 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.
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...
Long Branch, Asbury Park, Lakewood, Howell, Tinton Falls, Red
Bank, Farmingdale, Collingwood Park, Lincroft, Allenwood, Elberon
and Freewood Acres.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4038 7397 4022 7398 4014 7411 4011 7424
4012 7424 4013 7424 4015 7425 4015 7426
4016 7426 4017 7426 4017 7427 4031 7415
4038 7403
FLASH FLOOD...RADAR INDICATED
$$
AKL2 follow-up statements
014
WGUS71 KPHI 062330
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
730 PM EDT Sat Sep 6 2025
NJC025-070230-
/O.CON.KPHI.FF.W.0096.000000T0000Z-250907T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
730 PM EDT Sat Sep 6 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT THIS
EVENING FOR SOUTHEASTERN MONMOUTH COUNTY...
At 730 PM EDT, emergency management reported numerous road closures
along Ocean Avenue in Long Branch and a car stranded near Route 35 &
Clinton Ave in Eatontown due to flooding as the result of
thunderstorms producing heavy rainfall. Between 2 and 3.5 inches of
rain have fallen. Additional rainfall amounts up to 0.5 inches are
possible in the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Long Branch, Asbury Park, Lakewood, Howell, Tinton Falls, Red
Bank, Farmingdale, Collingwood Park, Lincroft, Allenwood, Elberon
and Freewood Acres.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4038 7397 4022 7398 4014 7411 4011 7424
4012 7424 4013 7424 4015 7425 4015 7426
4016 7426 4017 7426 4017 7427 4031 7415
4038 7403
FLASH FLOOD...OBSERVED
$$
AKL465
WGUS71 KPHI 070152
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
952 PM EDT Sat Sep 6 2025
NJC025-070202-
/O.CAN.KPHI.FF.W.0096.000000T0000Z-250907T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
952 PM EDT Sat Sep 6 2025
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN MONMOUTH
COUNTY...
Flood waters have receded and the heavy rain has ended. Flooding is
no longer expected to pose a threat. Please continue to heed any
remaining road closures.
&&
LAT...LON 4038 7397 4022 7398 4014 7411 4011 7424
4012 7424 4013 7424 4015 7425 4015 7426
4016 7426 4017 7426 4017 7427 4031 7415
4038 7403
$$
AKLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 2:22 AM EDT | Small Craft Advisory | PHI | 19 hr | |
| Sep 6, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 46 min |
| Sep 6, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 23 min |
| Sep 6, 2:47 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 43 min |
| Sep 6, 2:52 PM EDT | Special Marine Warning | PHI | 23 min | |
| Sep 6, 3:34 PM EDT | Special Marine Warning | PHI | 56 min | |
| Sep 6, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 38 min |
| Sep 6, 4:23 PM EDT | Special Marine Warning | PHI | 24 min | |
| Sep 6, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden | 31 min |
| Sep 6, 5:20 PM EDT | Special Marine Warning | PHI | 25 min | |
| Sep 6, 5:51 PM EDT | Special Marine Warning | PHI | 54 min | |
| Sep 6, 6:07 PM EDT | Special Marine Warning | PHI | 38 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.