Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 93, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 3, 2026, 10:12 AM EDT for Atlantic County, Cumberland County, Salem County, New Jersey. It was in force for 86 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2026, 10:12 AM EDT (14:12 UTC)
- Expired
- Aug 3, 2026, 11:38 AM EDT
- In force
- 86 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atlantic County, NJ, Cumberland County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 14:14 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 2.2 hours before the alert went out and 213 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
- 1067 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
585
WGUS51 KPHI 031412
FFWPHI
NJC001-011-033-031815-
/O.NEW.KPHI.FF.W.0093.260803T1412Z-260803T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1012 AM EDT Mon Aug 3 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
West Central Atlantic County in southern New Jersey...
Northeastern Cumberland County in southern New Jersey...
East Central Salem County in southern New Jersey...
* Until 215 PM EDT.
* At 1012 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across portions of the warned area. Between 1 and 3
inches of rain have fallen. The expected rainfall rate is 2 inches
in 1 hour. Additional rainfall amounts up 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...
Vineland, Millville, Cumberland, Buena, Laurel Lake, Newfield,
South Vineland, Port Elizabeth, Bricksboro and Mauricetown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 3954 7509 3954 7502 3953 7500 3952 7500
3952 7499 3951 7499 3952 7498 3953 7497
3954 7496 3954 7492 3949 7485 3936 7493
3932 7493 3928 7495 3928 7505 3931 7512
3934 7512 3942 7512 3944 7512
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2 INCHES IN 1 HOUR
$$
Deal1 follow-up statement
083
WGUS71 KPHI 031538
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1138 AM EDT Mon Aug 3 2026
NJC001-011-033-031548-
/O.CAN.KPHI.FF.W.0093.000000T0000Z-260803T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-Cumberland NJ-Salem NJ-
1138 AM EDT Mon Aug 3 2026
...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL ATLANTIC,
NORTHEASTERN CUMBERLAND AND EAST CENTRAL SALEM COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any road closures.
A Flood Watch remains in effect until 1100 PM EDT Monday for
portions of northern Delaware, New Jersey, and Pennsylvania.
&&
LAT...LON 3954 7509 3954 7502 3953 7500 3952 7500
3952 7499 3951 7499 3952 7498 3953 7497
3954 7496 3954 7492 3949 7485 3936 7493
3932 7493 3928 7495 3928 7505 3931 7512
3934 7512 3942 7512 3944 7512
$$
DealThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 11:20 PM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Aug 3, 12:05 AM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 3 hr |
| Aug 3, 12:36 AM EDT | Special Marine Warning | PHI | 84 min | |
| Aug 3, 2:50 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 4 hr |
| Aug 3, 3:05 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 40 min |
| Aug 3, 4:41 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Somerset | 2 hr |
| Aug 3, 5:59 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 3, 7:02 AM EDT | Areal Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Somerset | 3 hr |
| Aug 3, 8:21 AM EDT | Special Marine Warning | PHI | 69 min | |
| Aug 3, 9:08 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 3 hr |
| Aug 3, 10:36 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 6 hr |
| Aug 3, 10:44 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 6 hr |
| Aug 3, 12:01 PM EDT | Areal Flood Warning | PHI | Mercer | 74 min |
| Aug 3, 1:20 PM EDT | Areal Flood Warning | PHI | Burlington, Camden, Mercer | 4 hr |
| Aug 3, 1:51 PM EDT | Special Marine Warning | PHI | 24 min | |
| Aug 3, 2:53 PM EDT | Special Marine Warning | PHI | 97 min | |
| Aug 3, 2:57 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 27 min |
| Aug 3, 5:15 PM EDT | Special Marine Warning | PHI | 90 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.