Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 95, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 3, 2026, 10:44 AM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 6 hr. 7 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
- Aug 3, 2026, 10:44 AM EDT (14:44 UTC)
- Expired
- Aug 3, 2026, 4:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 14:47 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 |
|---|---|---|---|
| Aug 3, 10:51 AM EDT | FLOOD | 1 Se Burlington Twp, NJ | Report from mPING: River/Creek overflowing; Cropland/Yard/Basement Flooding. |
| Aug 3, 11:05 AM EDT | RAIN 3.83 | 1 Sse Fairview, NJ | Updates previous rain report. Rainfall total as of 11:05 AM. The rain has now stopped as of the time of the report. |
| Aug 3, 11:15 AM EDT | RAIN 3.65 | Delran, NJ | Public report of 3.65 inches in Delran since midnight. Time from report. |
| Aug 3, 12:21 PM EDT | RAIN 4.9 | Maple Shade, NJ | |
| Aug 3, 12:46 PM EDT | RAIN 4.46 | Delran, NJ | |
| Aug 3, 2:00 PM EDT | RAIN 4.1 | 1 Nne Rancocas, NJ | Event total rainfall is 4.10 inches. 1.72 inches prior to 7 AM, additional 2.38 inches fell mainly between 9-11 AM. Approximately 1.75 inches fell between 9:15-10:15 AM. Peak instantaneous rate was 6.55 inches per hour. Measured with CoCoRaHS rain gauge. |
| Aug 3, 3:00 PM EDT | RAIN 2.21 | Mount Holly Wfo, NJ | Event total rainfall. 1.90 inches since 8 AM, which fell mainly between 9:15-11:15 AM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.7 hours before the alert went out and 206 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
- 1129 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 460 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 250 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 6.7
The text
As transmitted.
616
WGUS51 KPHI 031444
FFWPHI
NJC005-007-015-PAC017-101-031845-
/O.NEW.KPHI.FF.W.0095.260803T1444Z-260803T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1044 AM EDT Mon Aug 3 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Burlington County in southern New Jersey...
Northwestern Camden County in southern New Jersey...
North Central Gloucester County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Central Philadelphia County in southeastern Pennsylvania...
* Until 245 PM EDT.
* At 1044 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 4 inches of rain have fallen. Additional rainfall amounts up
to 2 inches are possible in the warned area. Flash flooding is
already occurring. Several reports of road closures have occurred
in portions of Camden and Burlington counties.
HAZARD...Life threatening flash flooding caused by
thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.
* Some locations that may experience flash flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount
Laurel, Willingboro, Deptford, Voorhees, Lindenwold, Lumberton and
Florence.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 22 and 56.
New Jersey Turnpike between exits 3 and 6A.
Interstate 76 in Pennsylvania between mile markers 349 and 351.
Interstate 95 in Pennsylvania between mile markers 15 and 21.
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.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3998 7510 4016 7474 4006 7464 3999 7473
3982 7495 3977 7510 3984 7519 3991 7519
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Deal2 follow-up statements
671
WGUS51 KPHI 031843
FFWPHI
NJC005-007-015-PAC017-101-032045-
/O.EXT.KPHI.FF.W.0095.000000T0000Z-260803T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
243 PM EDT Mon Aug 3 2026
The National Weather Service in Mount Holly has extended the
* Flash Flood Warning for...
Northwestern Burlington County in southern New Jersey...
Northwestern Camden County in southern New Jersey...
North Central Gloucester County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Central Philadelphia County in southeastern Pennsylvania...
* Until 445 PM EDT.
* At 243 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 4.5 inches of rain have fallen. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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, Cherry Hill, Evesham, Mount
Laurel, Willingboro, Deptford, Voorhees, Lindenwold, Lumberton and
Florence.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 22 and 56.
New Jersey Turnpike between exits 3 and 7.
Interstate 76 in Pennsylvania between mile markers 349 and 351.
Interstate 95 in Pennsylvania between mile markers 15 and 21.
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.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3998 7510 4016 7474 4006 7464 3999 7473
3982 7495 3977 7510 3984 7519 3991 7519
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
AKL068
WGUS71 KPHI 032041
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
441 PM EDT Mon Aug 3 2026
NJC005-007-015-PAC017-101-032051-
/O.EXP.KPHI.FF.W.0095.000000T0000Z-260803T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Camden NJ-Gloucester NJ-Bucks PA-Philadelphia PA-
441 PM EDT Mon Aug 3 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 445 PM EDT THIS AFTERNOON FOR
NORTHWESTERN BURLINGTON, NORTHWESTERN CAMDEN, NORTH CENTRAL
GLOUCESTER, SOUTHEASTERN BUCKS AND CENTRAL PHILADELPHIA COUNTIES...
The heavy rain has ended and flood waters are recededing. Flooding
is no longer expected to pose a threat. Please continue to heed
remaining road closures.
A Flood Watch remains in effect until 1100 PM EDT Monday for
portions of northern Delaware, New Jersey, and southeast
Pennsylvania.
&&
LAT...LON 3998 7510 4016 7474 4006 7464 3999 7473
3982 7495 3977 7510 3984 7519 3991 7519
$$
AKLThe 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, 10:12 AM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland, Salem | 86 min |
| Aug 3, 10:36 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 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 | |
| Aug 3, 3:01 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery | 3 hr |
| Aug 3, 6:26 AM EDT | Areal Flood Warning | PHI | Bucks, Montgomery | 94 min |
Nearby
Flash Flood Warnings in New Jersey, 2026Flash Flood Warnings in Pennsylvania, 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.