Alert archive / New Jersey / Flash Flood Warnings in 2025
Flash Flood Warning 32, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 1, 2025, 5:00 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 4 hr. 3 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
- Jul 1, 2025, 5:00 PM EDT (21:00 UTC)
- Expired
- Jul 1, 2025, 9:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 21:02 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 |
|---|---|---|---|
| Jul 1, 5:28 PM EDT | FLASH FLOOD | Neptune Township, NJ | Multiple vehicles stuck in flood water. |
| Jul 1, 5:42 PM EDT | FLASH FLOOD | 1 Sse Manasquan, NJ | East Main Street flooded. |
| Jul 1, 6:49 PM EDT | FLASH FLOOD | Neptune Township, NJ | Building at the intersection of Lakewood Road and Brighton Ave had a basement wall collapse due to flash flooding. |
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, 9.0 hours before the alert went out and 133 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
- 513 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.7
The text
As transmitted.
245
WGUS51 KPHI 012100
FFWPHI
NJC025-029-020100-
/O.NEW.KPHI.FF.W.0032.250701T2100Z-250702T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
500 PM EDT Tue Jul 1 2025
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southeastern Monmouth County in central New Jersey...
Northeastern Ocean County in southern New Jersey...
* Until 900 PM EDT.
* At 500 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of
rain have fallen. The expected rainfall rate is 1 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.
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...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Tinton Falls, Manasquan, Point Pleasant Beach, Lakehurst,
Farmingdale and Mantoloking.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4023 7429 4029 7410 4029 7396 4028 7393
4024 7389 4018 7389 4012 7392 4008 7399
4004 7408 4001 7423 4002 7434 4009 7439
4016 7440 4021 7432
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Hoeflich2 follow-up statements
396
WGUS71 KPHI 012106
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
506 PM EDT Tue Jul 1 2025
NJC025-029-020100-
/O.CON.KPHI.FF.W.0032.000000T0000Z-250702T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
506 PM EDT Tue Jul 1 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING
FOR SOUTHEASTERN MONMOUTH AND NORTHEASTERN OCEAN COUNTIES...
At 506 PM EDT, trained weather spotters reported thunderstorms
producing heavy rain with street flooding in Lakewood. Between 1
and 1.5 inches of rain have fallen. The expected rainfall rate is 1
to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches
are possible in the warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding caused by thunderstorms.
SOURCE...Trained spotters reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.
Some locations that may experience flash flooding include...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Tinton Falls, Manasquan, Point Pleasant Beach, Lakehurst,
Farmingdale and Mantoloking.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4023 7429 4029 7410 4029 7396 4028 7393
4024 7389 4018 7389 4012 7392 4008 7399
4004 7408 4001 7423 4002 7434 4009 7439
4016 7440 4021 7432
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Hoeflich971
WGUS71 KPHI 020058
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
858 PM EDT Tue Jul 1 2025
NJC025-029-020108-
/O.EXP.KPHI.FF.W.0032.000000T0000Z-250702T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
858 PM EDT Tue Jul 1 2025
...FLASH FLOOD WARNING WILL EXPIRE AT 9 PM EDT THIS EVENING FOR
SOUTHEASTERN MONMOUTH AND NORTHEASTERN OCEAN COUNTIES...
The heavy rain has ended. Flasg Flooding is no longer expected to
pose a threat. Please continue to heed remaining road closures. A
new, more targeted Flood Warning was issued for the Jackson,
Manasquan, Howell, and Neptune area as numerous roads remain closed.
Please refer to that bulletin for the updated information.
&&
LAT...LON 4023 7429 4029 7410 4029 7396 4028 7393
4024 7389 4018 7389 4012 7392 4008 7399
4004 7408 4001 7423 4002 7434 4009 7439
4016 7440 4021 7432
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 9:38 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jun 30, 9:41 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 64 min |
| Jul 1, 12:05 AM EDT | Special Marine Warning | PHI | 37 min | |
| Jul 1, 2:30 AM EDT | Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 19 hr |
| Jul 1, 1:47 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 1, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 47 min |
| Jul 1, 3:22 PM EDT | Special Marine Warning | PHI | 83 min | |
| Jul 1, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth | 66 min |
| Jul 1, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 50 min |
| Jul 1, 4:36 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jul 1, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 38 min |
| Jul 1, 5:10 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 1, 5:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| Jul 1, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 61 min |
| Jul 1, 5:43 PM EDT | Special Marine Warning | PHI | 98 min | |
| Jul 1, 6:11 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 1, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 58 min |
| Jul 1, 6:35 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jul 1, 6:39 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jul 1, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 46 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.