Alert archive / New Jersey / Flash Flood Warnings in 2026
Flash Flood Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 14, 2026, 10:51 PM EDT for Burlington County, Camden County, Mercer County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 3 hr. 1 report 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
- Jun 14, 2026, 10:51 PM EDT (02:51 UTC)
- Expired
- Jun 15, 2026, 1:40 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Mercer County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 02:52 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 |
|---|---|---|---|
| Jun 14, 11:50 PM EDT | FLASH FLOOD | 2 Sw Burlington Twp, NJ | Water flowing over the road on Rancocas Road. Time estimated. |
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 00:00Z, 2.9 hours before the alert went out and 192 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1582 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
908
WGUS51 KPHI 150251
FFWPHI
NJC005-007-021-PAC017-101-150700-
/O.NEW.KPHI.FF.W.0006.260615T0251Z-260615T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1051 PM EDT Sun Jun 14 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Central Mercer County in central New Jersey...
Northwestern Burlington County in southern New Jersey...
North Central Camden County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Northeastern Philadelphia County in southeastern Pennsylvania...
* Until 300 AM EDT.
* At 1051 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 2 inches in 1 hour.
Additional rainfall amounts of 1 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...
Philadelphia, Trenton, Bensalem, Mount Laurel, Ewing, Willingboro,
Florence, Burlington, Bristol, Doylestown, Riverside and Palmyra.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 36 and 76.
New Jersey Turnpike between exits 4 and 8.
Interstate 195 in New Jersey between mile markers 0 and 7.
Interstate 95 in Pennsylvania between mile markers 34 and 40.
Pennsylvania Turnpike between mile markers 347 and 359.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4004 7499 4010 7497 4013 7502 4014 7502
4029 7527 4041 7505 4040 7502 4041 7499
4038 7496 4034 7494 4035 7482 4031 7463
4020 7459 3990 7495 3998 7503 3998 7510
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
RCM1 follow-up statement
578
WGUS71 KPHI 150540
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
140 AM EDT Mon Jun 15 2026
NJC005-007-021-PAC017-101-150550-
/O.CAN.KPHI.FF.W.0006.000000T0000Z-260615T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Camden NJ-Mercer NJ-Bucks PA-Philadelphia PA-
140 AM EDT Mon Jun 15 2026
...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL MERCER, NORTHWESTERN
BURLINGTON, NORTH CENTRAL CAMDEN, SOUTHEASTERN BUCKS AND
NORTHEASTERN PHILADELPHIA COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
&&
LAT...LON 4004 7499 4010 7497 4013 7502 4014 7502
4029 7527 4041 7505 4040 7502 4041 7499
4038 7496 4034 7494 4035 7482 4031 7463
4020 7459 3990 7495 3998 7503 3998 7510
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:53 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jun 14, 9:54 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 51 min |
| Jun 14, 10:04 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jun 14, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 39 min |
| Jun 14, 10:26 PM EDT | Flash Flood Warning | PHI | Camden | 3 hr |
| Jun 14, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 46 min |
| Jun 14, 10:58 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth | 47 min |
| Jun 14, 11:03 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 2 hr |
| Jun 14, 11:16 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 29 min |
| Jun 14, 11:42 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 117 min |
| Jun 15, 3:10 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more | 23 hr |
| Jun 14, 8:16 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 44 min |
| Jun 14, 9:06 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 54 min |
| Jun 14, 9:50 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Jun 14, 10:15 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Jun 14, 10:38 PM EDT | Flash Flood Warning | PHI | Delaware | 3 hr |
| Jun 15, 1:37 AM EDT | Areal Flood Warning | PHI | Delaware | 4 hr |
| Jun 15, 2:12 AM EDT | River Flood Warning | PHI | Delaware | 2 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.