Alert archive / Pennsylvania / Flash Flood Warnings in 2026
Flash Flood Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 14, 2026, 10:26 PM EDT for Camden County, New Jersey; 4 counties in Pennsylvania. It was in force for 3 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
- Jun 14, 2026, 10:26 PM EDT (02:26 UTC)
- Expired
- Jun 15, 2026, 1:43 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Camden County, NJ, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 02:29 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, 10:50 PM EDT | FLASH FLOOD | Lansdowne, PA | Water rescue on a flooded roadway in Lansdowne. Time estimated from radar. |
| Jun 14, 11:56 PM EDT | FLASH FLOOD | 1 W Audubon, NJ | As of 11:56pm, theres Flooding on US 130 in both directions North of I-76 in Gloucester City. All lanes closed. |
| Jun 15, 12:36 AM EDT | FLASH FLOOD | 1 Ssw Summerdale, PA | Frankford Creek went into flood stage. |
| Jun 15, 12:45 AM EDT | FLASH FLOOD | 1 S Millbourne, PA | Cobbs Creek (COBP1) went into flood stage. |
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, 2.4 hours before the alert went out and 217 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.
578
WGUS51 KPHI 150226
FFWPHI
NJC007-PAC029-045-091-101-150630-
/O.NEW.KPHI.FF.W.0004.260615T0226Z-260615T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1026 PM EDT Sun Jun 14 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
Northeastern Chester County in southeastern Pennsylvania...
Northeastern Delaware County in southeastern Pennsylvania...
Montgomery County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
* Until 230 AM EDT.
* At 1026 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, Camden, Gloucester City, Cherry Hill, Norristown,
Phoenixville, Lansdale, West Norriton, East Norriton, Bellmawr,
Yeadon and Conshohocken.
People attending Philadelphia Stadium and Lemon Hill should seek
shelter immediately.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 27 and 28...and
between mile markers 34 and 35.
Interstate 476 in Pennsylvania between mile markers 13 and 19.
Interstate 76 in Pennsylvania between mile markers 327 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 33.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
Northeast Extension between mile markers 21 and 30.
Interstate 76 in New Jersey between mile markers 0 and 3.
Pennsylvania Turnpike between mile markers 323 and 345.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4010 7497 4004 7499 3997 7512 3998 7503
3997 7502 3995 7501 3994 7499 3990 7496
3986 7511 3989 7514 3989 7515 3986 7526
3986 7528 3993 7526 4004 7537 4004 7543
4019 7558 4029 7527
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
RCM2 follow-up statements
508
WGUS71 KPHI 150254
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1054 PM EDT Sun Jun 14 2026
NJC007-PAC029-045-091-101-150630-
/O.CON.KPHI.FF.W.0004.000000T0000Z-260615T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Chester PA-Delaware PA-Montgomery PA-Philadelphia PA-
1054 PM EDT Sun Jun 14 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EDT MONDAY FOR
NORTHWESTERN CAMDEN, NORTHEASTERN CHESTER, NORTHEASTERN DELAWARE,
MONTGOMERY AND PHILADELPHIA COUNTIES...
At 1054 PM EDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Between 1 and 2 inches
of rain have fallen. The expected rainfall rate is 1 to 2 inches in
1 hour. Additional rainfall amounts of 2 to 3 inches are possible in
the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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, Norristown,
Phoenixville, Lansdale, West Norriton, East Norriton, Bellmawr,
Yeadon and Conshohocken.
People attending Philadelphia Stadium and Lemon Hill should seek
shelter immediately.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 26 and 29...and
between mile markers 34 and 35.
Interstate 476 in Pennsylvania between mile markers 13 and 19.
Interstate 76 in Pennsylvania between mile markers 327 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 32.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
Northeast Extension between mile markers 21 and 31.
Interstate 76 in New Jersey between mile markers 0 and 3.
Pennsylvania Turnpike between mile markers 324 and 345.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4010 7497 4004 7499 3997 7512 3998 7503
3997 7502 3995 7501 3994 7499 3990 7496
3986 7511 3989 7514 3989 7515 3986 7526
3986 7528 3993 7526 4004 7537 4004 7543
4019 7558 4029 7527
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
RCM296
WGUS71 KPHI 150543
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
143 AM EDT Mon Jun 15 2026
NJC007-PAC029-045-091-101-150553-
/O.CAN.KPHI.FF.W.0004.000000T0000Z-260615T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Chester PA-Delaware PA-Montgomery PA-Philadelphia PA-
143 AM EDT Mon Jun 15 2026
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN CAMDEN,
NORTHEASTERN CHESTER, NORTHEASTERN DELAWARE, MONTGOMERY AND
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 4010 7497 4004 7499 3997 7512 3998 7503
3997 7502 3995 7501 3994 7499 3990 7496
3986 7511 3989 7514 3989 7515 3986 7526
3986 7528 3993 7526 4004 7537 4004 7543
4019 7558 4029 7527
$$
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, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 46 min |
| Jun 14, 10:51 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Mercer | 3 hr |
| 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 Pennsylvania, 2026Flash 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.