Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 53, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 18, 2026, 4:34 PM EDT for Ocean 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
- Jul 18, 2026, 4:34 PM EDT (20:34 UTC)
- Expired
- Jul 18, 2026, 8:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Ocean County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 5:15 PM EDT | FLASH FLOOD | 1 Sw Seaside Park, NJ | Flooding on North Bayview Ave heading into Seaside Park. |
| Jul 18, 5:35 PM EDT | FLASH FLOOD | 1 Nw Seaside Park, NJ | NJ 35 and NJ 37 closed in Seaside Heights due to flooding. Time estimated. |
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, 8.6 hours before the alert went out and 142 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
- 5 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
181
WGUS51 KPHI 182034
FFWPHI
NJC029-190045-
/O.NEW.KPHI.FF.W.0053.260718T2034Z-260719T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
434 PM EDT Sat Jul 18 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
East Central Ocean County in southern New Jersey...
* Until 845 PM EDT.
* At 434 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. The expected rainfall rate is 1 to 3 inches in 1 hour.
Additional rainfall amounts of 0.5 to 1.5 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, Seaside Heights, Mantoloking, Dover Beaches North,
Dover Beaches South, Island Heights, Bay Head and Gilford Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4005 7412 4006 7403 3992 7406 3992 7415
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Kruzdlo1 follow-up statement
788 WGUS71 KPHI 190044 FFSPHI Flash Flood Statement National Weather Service Mount Holly NJ 844 PM EDT Sat Jul 18 2026 NJC029-190054- /O.EXP.KPHI.FF.W.0053.000000T0000Z-260719T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ocean NJ- 844 PM EDT Sat Jul 18 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 845 PM EDT THIS EVENING FOR EAST CENTRAL OCEAN COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 200 AM EDT for portions of northern Delaware, New Jersey, and Pennsylvania. && LAT...LON 4005 7412 4006 7403 3992 7406 3992 7415 $$ Hoeflich
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 10:39 AM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 21 min |
| Jul 18, 12:40 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 3 hr |
| Jul 18, 1:52 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| Jul 18, 2:36 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth | 4 hr |
| Jul 18, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 47 min |
| Jul 18, 3:14 PM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| Jul 18, 3:16 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 18, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 45 min |
| Jul 18, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 44 min |
| Jul 18, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 39 min |
| Jul 18, 3:44 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth, Ocean | 4 hr |
| Jul 18, 4:02 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 18, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 42 min |
| Jul 18, 4:46 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 18, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 61 min |
| Jul 18, 5:16 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 18, 5:47 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 18, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 41 min |
| Jul 18, 6:30 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 18, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 45 min |
| Jul 18, 6:55 PM EDT | Areal Flood Warning | PHI | Monmouth | 4 hr |
| Jul 18, 6:56 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 18, 7:13 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 32 min |
| Jul 18, 7:47 PM EDT | Areal Flood Warning | PHI | Monmouth, Ocean | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 2026Every flash flood warning in 2026
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.