Alert archive / New Jersey / Areal Flood Warnings in 2026

Areal Flood Warning 9, NWS Philadelphia/Mount Holly

July 18, 2026Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Jul 18, 2026, 7:47 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 4 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 18, 2026, 7:47 PM EDT (23:47 UTC)
Expired
Jul 18, 2026, 11:45 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.8 hours before the alert went out and 121 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, Brookhaven, NY at 12:00Z on 2026-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Brookhaven, NY at 12:00Z on 2026-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.193958Sfc1 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
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

Open this sounding in Storm Lab

The text

As transmitted.

441 
WGUS41 KPHI 182347
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
747 PM EDT Sat Jul 18 2026

NJC025-029-190345-
/O.NEW.KPHI.FA.W.0009.260718T2347Z-260719T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
747 PM EDT Sat Jul 18 2026

...FLOOD WARNING IN EFFECT UNTIL 1145 PM EDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Portions of central and southern New Jersey, including the 
  following counties, in central New Jersey, Monmouth. In southern 
  New Jersey, Ocean.

* WHEN...Until 1145 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is occurring.

* ADDITIONAL DETAILS...
  - At 742 PM EDT, Doppler radar indicated that between 1 and 3
    inches of rain have fallen the last several hours across
    portions of Monmouth and Ocean Counties. Per the Department
    of Transportation, road flooding continues. As a result, a
    Flood Warning has been issued.
  - Some locations that may experience flooding include...
    Long Branch, Asbury Park, Tinton Falls, Red Bank, Manasquan,
    Point Pleasant Beach, Mantoloking, Elberon, Allenwood, Brick
    Township, Point Pleasant and Eatontown.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4039 7407 4039 7394 4005 7403 4004 7412


$$

Kruzdlo
1 follow-up statement
737 
WGUS81 KPHI 190342
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1142 PM EDT Sat Jul 18 2026

NJC025-029-190352-
/O.EXP.KPHI.FA.W.0009.000000T0000Z-260719T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
1142 PM EDT Sat Jul 18 2026

...FLOOD WARNING WILL EXPIRE AT 1145 PM EDT THIS EVENING...

The Flood Warning will expire at 1145 PM EDT this evening for 
Eastern Monmouth and Northeastern Ocean Counties.

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

&&

LAT...LON 4039 7407 4039 7394 4005 7403 4004 7412


$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 10:39 AM EDTSevere Thunderstorm WarningPHISussex, Warren21 min
Jul 18, 12:40 PM EDTFlash Flood WarningPHIMiddlesex, Morris, Somerset3 hr
Jul 18, 1:52 PM EDTFlash Flood WarningPHIMercer, Middlesex, Somerset4 hr
Jul 18, 2:36 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Monmouth4 hr
Jul 18, 3:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean47 min
Jul 18, 3:14 PM EDTFlash Flood Warning Considerable damage threatPHIMercer4 hr
Jul 18, 3:16 PM EDTSpecial Marine WarningPHI59 min
Jul 18, 3:30 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden45 min
Jul 18, 3:31 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean44 min
Jul 18, 3:36 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester39 min
Jul 18, 3:44 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth, Ocean4 hr
Jul 18, 4:02 PM EDTSpecial Marine WarningPHI118 min
Jul 18, 4:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean42 min
Jul 18, 4:34 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 4:46 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 5:14 PM EDTSevere Thunderstorm WarningPHICumberland, Salem61 min
Jul 18, 5:16 PM EDTSpecial Marine WarningPHI89 min
Jul 18, 5:47 PM EDTSpecial Marine WarningPHI118 min
Jul 18, 5:49 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean41 min
Jul 18, 6:30 PM EDTSpecial Marine WarningPHI2 hr
Jul 18, 6:30 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Somerset45 min
Jul 18, 6:55 PM EDTAreal Flood WarningPHIMonmouth4 hr
Jul 18, 6:56 PM EDTSpecial Marine WarningPHI64 min
Jul 18, 7:13 PM EDTSevere Thunderstorm WarningPHICape May32 min

Nearby

Areal Flood Warnings in New Jersey, 2026Every areal 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; the sounding from the Mesonet's radiosonde archive.