Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 43, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 11, 2026, 3:06 PM EDT for Camden County, Gloucester County, New Jersey. It was in force for 4 hr. 4 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 11, 2026, 3:06 PM EDT (19:06 UTC)
- Expired
- Jul 11, 2026, 6:36 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 19:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 3:20 PM EDT | FLASH FLOOD | 1 N Deptford Twp, NJ | Corrects previous flash flood report from 1 N Deptford Twp. Several roads with flooding reported in northern Deptford Township. Time estimated. |
| Jul 11, 3:25 PM EDT | FLASH FLOOD | West Deptford Twp, NJ | Corrects previous flash flood report from West Deptford Twp. Several roads with flooding reported in West Deptford Township. Time estimated. |
| Jul 11, 3:25 PM EDT | FLASH FLOOD | Woodbury, NJ | Corrects previous flash flood report from Woodbury. Several roads with flooding reported in Woodbury. Time estimated. |
| Jul 11, 3:25 PM EDT | FLASH FLOOD | Woodbury Heights, NJ | Corrects previous flash flood report from Woodbury Heights. Several roads with flooding reported in Woodbury Heights. Time estimated. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.1 hours before the alert went out and 220 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
- 75 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 911 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
449
WGUS51 KPHI 111906
FFWPHI
NJC007-015-112315-
/O.NEW.KPHI.FF.W.0043.260711T1906Z-260711T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
306 PM EDT Sat Jul 11 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
Northwestern Gloucester County in southern New Jersey...
* Until 715 PM EDT.
* At 306 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 1.5 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...
Philadelphia, Camden, Gloucester City, Chester, Deptford, West
Deptford, Bellmawr, Woodbury, Paulsboro, Westville, Woodbury
Heights and National Park.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 14 and 29.
New Jersey Turnpike near exit 2.
Interstate 676 in New Jersey between mile markers 0 and 4.
Interstate 76 in New Jersey between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 3983 7537 3985 7533 3985 7524 3986 7522
3988 7519 3988 7515 3991 7513 3993 7514
3996 7513 3998 7507 3999 7506 3999 7505
3997 7502 3995 7501 3994 7498 3993 7498
3973 7527
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR
$$
Kruzdlo2 follow-up statements
302
WGUS71 KPHI 112102
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
502 PM EDT Sat Jul 11 2026
NJC007-112112-
/O.CAN.KPHI.FF.W.0043.000000T0000Z-260711T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-
502 PM EDT Sat Jul 11 2026
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN CAMDEN COUNTY...
Thunderstorms have moved out of the area. Flooding is no longer
expected to pose a threat. The flash flood warning has been
cancelled.
&&
LAT...LON 3988 7519 3988 7515 3989 7514 3988 7513
3987 7512 3986 7511 3985 7509 3973 7527
3983 7537 3985 7533 3985 7524
$$
NJC015-112315-
/O.CON.KPHI.FF.W.0043.000000T0000Z-260711T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gloucester NJ-
502 PM EDT Sat Jul 11 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT THIS
EVENING FOR NORTHWESTERN GLOUCESTER COUNTY...
At 502 PM EDT, emergency management reported flooded roadways across
portions of Woodbury, Woodbury Heights, West Deptford, and across
northern Deptford. Although the thunderstorms have moved out of the
area, if you are on the road and encounter any remaining flooding,
do not drive through the high water.
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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 3988 7519 3988 7515 3989 7514 3988 7513
3987 7512 3986 7511 3985 7509 3973 7527
3983 7537 3985 7533 3985 7524
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR
$$
Kruzdlo991
WGUS71 KPHI 112236
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
636 PM EDT Sat Jul 11 2026
NJC015-112246-
/O.CAN.KPHI.FF.W.0043.000000T0000Z-260711T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gloucester NJ-
636 PM EDT Sat Jul 11 2026
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN GLOUCESTER
COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat.
&&
LAT...LON 3988 7519 3988 7515 3989 7514 3988 7513
3987 7512 3986 7511 3985 7509 3973 7527
3983 7537 3985 7533 3985 7524
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 4:16 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 19 hr |
| Jul 11, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 46 min |
| Jul 11, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.