Alert archive / New Jersey / Areal Flood Warnings in 2025

Areal Flood Warning 31, NWS Philadelphia/Mount Holly

July 2, 2025Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Jul 2, 2025, 2:51 AM 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 counties it named.

The facts

Issued
Jul 2, 2025, 2:51 AM EDT (06:51 UTC)
Expired
Jul 2, 2025, 6:44 AM 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), 23 km from the middle of the area, began a volume at 06:53 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, 6.9 hours before the alert went out and 143 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 00:00Z on 2025-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 952 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2025-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
952 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
822 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood warning went out at Jul 2, 2:45 AM EDT, 6 minutes earlier.

Area forecast discussion, Jul 2, 2:45 AM EDT, 6 minutes before
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Hazardous weather outlook, Jul 1, 10:10 PM EDT, 4 hours 41 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
1010 PM EDT Tue Jul 1 2025

MDZ012-015-019-020-030215-
Kent MD-Queen Annes-Talbot-Caroline-
1010 PM EDT Tue Jul 1 2025

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 1, 9:36 PM EDT, 5 hours 15 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
936 PM EDT Tue Jul 1 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0521 PM     Tstm Wnd Dmg     Centreville             39.05N 76.06W
07/01/2025                   Queen Anne's       MD   911 Call Center

            Trees down around Centreville. Time
            estimated from radar.

&&

Hoeflich
Local storm report, Jul 1, 9:37 PM EDT, 5 hours 14 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
937 PM EDT Tue Jul 1 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0507 PM     Tstm Wnd Dmg     3 SSE Church Hill       39.09N 75.96W
07/01/2025                   Queen Anne's       MD   911 Call Center

            Trees down. Time estimated from radar.

&&

Hoeflich
Local storm report, Jul 1, 9:53 PM EDT, 4 hours 58 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
953 PM EDT Tue Jul 1 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 PM     Flood            2 SE Honey Brook Twp    40.07N 75.88W
07/01/2025                   Chester            PA   Other Federal

            The Brandywine Creek at Honey Brook (HNBP1)
            went into flood stage.

&&

Hoeflich
Local storm report, Jul 2, 12:34 AM EDT, 2 hours 17 minutes before
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Local storm report, Jul 2, 12:35 AM EDT, 2 hours 16 minutes before
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Local storm report, Jul 2, 12:36 AM EDT, 2 hours 15 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:42 PM EDTSpecial Marine WarningPHI93 min
Jul 1, 8:57 PM EDTAreal Flood WarningPHIMonmouth, Ocean4 hr
Jul 1, 9:08 PM EDTSpecial Marine WarningPHI97 min
Jul 1, 8:53 PM EDTAreal Flood WarningPHIBerks9 hr
Jul 1, 8:55 PM EDTAreal Flood WarningPHILehigh, Montgomery6 hr
Jul 1, 9:50 PM EDTAreal Flood WarningPHIChester4 hr
Jul 1, 11:02 PM EDTRiver Flood WarningPHIMontgomery7 hr
Jul 1, 8:15 PM EDTSevere Thunderstorm WarningPHISussex60 min

Nearby

Areal Flood Warnings in New Jersey, 2025Every areal 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.