Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 34, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 9, 2026, 2:00 PM EDT for Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania. It was in force for 5 hr. 11 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 9, 2026, 2:00 PM EDT (18:00 UTC)
- Expired
- Jul 9, 2026, 7:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Camden County, NJ, Gloucester County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 18:03 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 9, 2:55 PM EDT | FLASH FLOOD | 1 Wsw Point Breeze, PA | Flooding on 34th st / 38th st / 26th st / University Ave southbound between Schuylkill Expressway and 1 miles SOUTH of Exit: I-76 West. There is a traffic disruption. |
| Jul 9, 2:58 PM EDT | FLASH FLOOD | Ben Franklin Bridge, PA | Report from mPING: Street/road flooding; Street/road closed; Vehicles stranded. |
| Jul 9, 3:21 PM EDT | FLASH FLOOD | 1 Se Pavonia, NJ | Flooding on US 130 Southbound from North of NJ 38 (Pennsauken Twp) to NJ 70 (Pennsauken Twp), 2 right lanes of 3 lanes closed. |
| Jul 9, 3:33 PM EDT | FLASH FLOOD | 1 Nw Walt Whitman Bridg, PA | Report from mPING: Street/road flooding; Street/road closed; Vehicles stranded. |
| Jul 9, 3:36 PM EDT | RAIN 2.4 | Philadelphia Internatio, PA | ASOS station KPHL Philadelphia International Airport. |
| Jul 9, 3:45 PM EDT | RAIN 2.22 | 1 Se Philadelphia, PA | Mesonet station FW8839 Philadelphia. |
| Jul 9, 3:48 PM EDT | FLASH FLOOD | 1 E Pennsauken, NJ | Flooding on US 130 Both Directions North of CR 612/Browning Rd (Pennsauken Twp). All lanes closed northbound, All lanes closed southbound. |
| Jul 9, 3:53 PM EDT | FLOOD | 1 E Ellisburg, NJ | Report from mPING: River/Creek overflowing; Cropland/Yard/Basement Flooding. |
| Jul 9, 4:00 PM EDT | FLASH FLOOD | 1 Nne Parkside, NJ | Flooding on US 30 Eastbound At CR 608/Baird Blvd (Camden). 1 right lane of 4 lanes closed. |
| Jul 9, 5:35 PM EDT | RAIN 2.29 | 1 Se Philadelphia, PA | Mesonet station FW8839 Philadelphia. |
| Jul 9, 5:35 PM EDT | RAIN 2.41 | Philadelphia Internatio, PA | ASOS station KPHL Philadelphia International Airport. |
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, 6.0 hours before the alert went out and 214 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
- 20 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
425
WGUS51 KPHI 091800
FFWPHI
NJC007-015-PAC045-101-092200-
/O.NEW.KPHI.FF.W.0034.260709T1800Z-260709T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
200 PM EDT Thu Jul 9 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
North Central Gloucester County in southern New Jersey...
East Central Delaware County in southeastern Pennsylvania...
Southwestern Philadelphia County in southeastern Pennsylvania...
* Until 600 PM EDT.
* At 200 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 to 3 inches in 1 hour.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding caused by
thunderstorms.
SOURCE...Radar.
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, Deptford,
Voorhees, Lindenwold, Bellmawr, Yeadon, Woodbury, Palmyra and
Folcroft.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 21 and 35.
New Jersey Turnpike near exit 3.
Interstate 76 in Pennsylvania between mile markers 344 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 26.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
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 3987 7527 3991 7526 3999 7516 4000 7506
3999 7506 4000 7503 3998 7501 3997 7502
3995 7501 3994 7498 3993 7498 3992 7496
3990 7495 3989 7493 3984 7492 3978 7510
3987 7526
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Cooper3 follow-up statements
302
WGUS71 KPHI 091911
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
311 PM EDT Thu Jul 9 2026
NJC007-015-PAC045-101-092200-
/O.CON.KPHI.FF.W.0034.000000T0000Z-260709T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Delaware PA-Philadelphia PA-
311 PM EDT Thu Jul 9 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR NORTHWESTERN CAMDEN, NORTH CENTRAL GLOUCESTER, EAST CENTRAL
DELAWARE AND SOUTHWESTERN PHILADELPHIA COUNTIES...
At 311 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 2 inches of rain have fallen. The expected rainfall rate is
1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3
inches are possible in the warned area. Flash flooding is already
occurring.
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, Deptford,
Voorhees, Lindenwold, Bellmawr, Yeadon, Woodbury, Palmyra and
Folcroft.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 21 and 35.
New Jersey Turnpike near exit 3.
Interstate 76 in Pennsylvania between mile markers 344 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 26.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
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 3987 7527 3991 7526 3999 7516 4000 7506
3999 7506 4000 7503 3998 7501 3997 7502
3995 7501 3994 7498 3993 7498 3992 7496
3990 7495 3989 7493 3984 7492 3978 7510
3987 7526
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Cooper135
WGUS51 KPHI 092153
FFWPHI
NJC007-015-PAC045-101-092300-
/O.EXT.KPHI.FF.W.0034.000000T0000Z-260709T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
553 PM EDT Thu Jul 9 2026
The National Weather Service in Mount Holly has extended the
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
North Central Gloucester County in southern New Jersey...
East Central Delaware County in southeastern Pennsylvania...
Southwestern Philadelphia County in southeastern Pennsylvania...
* Until 700 PM EDT.
* At 553 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2.5 and 3.5 inches of rain have fallen. The expected rainfall rate
is up to 1 inch in 1 hour. Additional rainfall amounts up to 1
inch are possible in the warned area. 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, Deptford,
Voorhees, Lindenwold, Bellmawr, Yeadon, Woodbury, Palmyra and
Folcroft.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 21 and 35.
New Jersey Turnpike near exit 3.
Interstate 76 in Pennsylvania between mile markers 344 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 26.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
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 3987 7527 3991 7526 3999 7516 4000 7506
3999 7506 4000 7503 3998 7501 3997 7502
3995 7501 3994 7498 3993 7498 3992 7496
3990 7495 3989 7493 3984 7492 3978 7510
3987 7526
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
$$
Cooper869
WGUS71 KPHI 092256
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
656 PM EDT Thu Jul 9 2026
NJC007-015-PAC045-101-092306-
/O.EXP.KPHI.FF.W.0034.000000T0000Z-260709T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Delaware PA-Philadelphia PA-
656 PM EDT Thu Jul 9 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR
NORTHWESTERN CAMDEN, NORTH CENTRAL GLOUCESTER, EAST CENTRAL DELAWARE
AND SOUTHWESTERN PHILADELPHIA COUNTIES...
The heavy rain has ended. Please continue to heed remaining road
closures.
A Flood Watch remains in effect until 1200 AM EDT for a portion of
southeast Pennsylvania.
A Flood Watch remains in effect until 1200 AM EDT for portions of
northern Delaware and southern New Jersey.
&&
LAT...LON 3987 7527 3991 7526 3999 7516 4000 7506
3999 7506 4000 7503 3998 7501 3997 7502
3995 7501 3994 7498 3993 7498 3992 7496
3990 7495 3989 7493 3984 7492 3978 7510
3987 7526
$$
CooperThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 2:09 AM EDT | Flood Watch | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 6 more | 19 hr |
| Jul 9, 1:22 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 4 hr |
| Jul 9, 1:37 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 6 hr |
| Jul 9, 2:42 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Jul 9, 3:01 PM EDT | Flash Flood Warning | PHI | Burlington | 4 hr |
| Jul 9, 4:32 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 9, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 45 min |
| Jul 9, 5:34 PM EDT | Special Marine Warning | PHI | 26 min | |
| Jul 9, 7:31 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Cumberland | 119 min |
| Jul 9, 3:20 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 3 hr |
| Jul 9, 3:38 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 9, 4:30 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
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.