Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 23, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 6, 2026, 9:27 AM EDT for Cumberland County, Gloucester County, Salem County, New Jersey. It was in force for 3 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 6, 2026, 9:27 AM EDT (13:27 UTC)
- Expired
- Jul 6, 2026, 11:57 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 13:26 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, 1.5 hours before the alert went out and 205 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
- 174 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
664
WGUS51 KPHI 061327
FFWPHI
NJC011-015-033-061730-
/O.NEW.KPHI.FF.W.0023.260706T1327Z-260706T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
927 AM EDT Mon Jul 6 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Central Cumberland County in southern New Jersey...
South Central Gloucester County in southern New Jersey...
East Central Salem County in southern New Jersey...
* Until 130 PM EDT.
* At 927 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. 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, Bridgeton, Clayton, Laurel Lake, Newfield,
Elmer, Shiloh, Rosenhayn, Olivet, Seabrook Farms and Malaga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3968 7515 3963 7502 3952 7499 3939 7499
3930 7506 3932 7524 3946 7529 3964 7531
FLASH FLOOD...RADAR INDICATED
$$
Robertson2 follow-up statements
838
WGUS71 KPHI 061440
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1040 AM EDT Mon Jul 6 2026
NJC011-015-033-061730-
/O.CON.KPHI.FF.W.0023.000000T0000Z-260706T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-Gloucester NJ-Salem NJ-
1040 AM EDT Mon Jul 6 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM EDT THIS
AFTERNOON FOR CENTRAL CUMBERLAND, SOUTH CENTRAL GLOUCESTER AND EAST
CENTRAL SALEM COUNTIES...
At 1040 AM EDT, Doppler radar indicated thunderstorms lessening in
intensity across the warned area. However, between 2 and 4 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Vineland, Millville, Bridgeton, Clayton, Laurel Lake, Newfield,
Elmer, Shiloh, Rosenhayn, Olivet, Seabrook Farms and Malaga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3968 7515 3963 7502 3952 7499 3939 7499
3930 7506 3932 7524 3946 7529 3964 7531
FLASH FLOOD...RADAR INDICATED
$$
Robertson105
WGUS71 KPHI 061557
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1157 AM EDT Mon Jul 6 2026
NJC011-015-033-061607-
/O.CAN.KPHI.FF.W.0023.000000T0000Z-260706T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-Gloucester NJ-Salem NJ-
1157 AM EDT Mon Jul 6 2026
...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL CUMBERLAND, SOUTH
CENTRAL GLOUCESTER AND EAST CENTRAL SALEM COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Warning remains in effect for other portions of
Gloucester County.
A Flood Watch remains in effect until 800 PM EDT Monday for portions
of northern Delaware, New Jersey, and Pennsylvania.
&&
LAT...LON 3968 7515 3963 7502 3952 7499 3939 7499
3930 7506 3932 7524 3946 7529 3964 7531
$$
RobertsonThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 38 min |
| Jul 5, 9:14 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 46 min |
| Jul 5, 9:58 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 5, 10:05 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 40 min |
| Jul 5, 10:21 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jul 5, 10:37 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 38 min |
| Jul 5, 11:00 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 5, 11:30 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 45 min |
| Jul 6, 12:01 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 29 min |
| Jul 6, 9:16 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Somerset | 2 hr |
| Jul 6, 10:15 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 10:27 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 6, 10:38 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 4 hr |
| Jul 6, 11:01 AM EDT | Special Marine Warning | PHI | 78 min | |
| Jul 6, 11:02 AM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Jul 6, 11:13 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Jul 6, 11:44 AM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 6, 1:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 6, 2:15 PM EDT | Areal Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 2:40 PM EDT | Areal Flood Warning | PHI | Burlington | 4 hr |
| Jul 6, 3:07 PM EDT | Areal Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 6, 3:39 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jul 6, 3:50 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jul 6, 4:36 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 6, 5:23 PM EDT | Special Marine Warning | PHI | 82 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.