Alert archive / Pennsylvania / Flash Flood Warnings in 2024
Flash Flood Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 14, 2024, 5:59 PM EDT for Burlington County, New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. 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
- Jun 14, 2024, 5:59 PM EDT (21:59 UTC)
- Expired
- Jun 14, 2024, 10:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 22:01 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, 6:04 PM EDT | FLASH FLOOD | 1 Ne Cooperstown, NJ | Photos from trained spotter showing unusual flooding along US Route 130 between northern Willingboro Twp and Burlington. Water was up to a foot deep in spots. |
| Jun 14, 6:29 PM EDT | FLASH FLOOD | 1 N Burlington Twp, NJ | Report from mPING: Street/road flooding; Street/road closed; Vehicles stranded. |
| Jun 14, 6:38 PM EDT | FLASH FLOOD | 1 Nnw Burlington Twp, NJ | Flooding on LaGorce Road in Burlington. Social media photo indicates at least 1 foot deep flood waters. |
| Jun 14, 8:11 PM EDT | FLASH FLOOD | 1 W Bristol, PA | Photos of flooding along Otter Street in Bristol. |
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, 10.0 hours before the alert went out and 191 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
- 61 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 969 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
510
WGUS51 KPHI 142159
FFWPHI
NJC005-PAC017-091-101-150200-
/O.NEW.KPHI.FF.W.0005.240614T2159Z-240615T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
559 PM EDT Fri Jun 14 2024
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Burlington County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Southeastern Montgomery County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
* Until 1000 PM EDT.
* At 559 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1.5 inches of
rain have fallen. Additional rainfall amounts up to 0.5 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, Trenton, Bensalem, Willingboro, Florence,
Burlington, Bristol, Riverside, Palmyra, Jenkintown, Narberth and
Bordentown.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 47 and 54...and
near mile marker 57.
New Jersey Turnpike between exits 6 and 6A.
Interstate 76 in Pennsylvania between mile markers 334 and 342.
Interstate 95 in Pennsylvania between mile markers 27 and 40.
Pennsylvania Turnpike between mile markers 350 and 359.
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 4014 7501 4019 7476 4016 7472 4015 7472
4016 7471 4016 7470 4003 7478 3998 7528
4011 7528
FLASH FLOOD...RADAR INDICATED
$$
AKL2 follow-up statements
599
WGUS71 KPHI 142237
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
637 PM EDT Fri Jun 14 2024
NJC005-PAC017-091-101-150200-
/O.CON.KPHI.FF.W.0005.000000T0000Z-240615T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Montgomery PA-Philadelphia PA-
637 PM EDT Fri Jun 14 2024
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING FOR NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS,
SOUTHEASTERN MONTGOMERY AND PHILADELPHIA COUNTIES...
At 637 PM EDT, trained weather spotters reported flash flooding
occurring along Route 130 between Willingboro and Burlington in New
Jersey. Between 0.5 and 1.5 inches of rain have fallen. Additional
rainfall amounts up to 0.5 inches are possible in the warned area.
Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Trained spotters reported.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Philadelphia, Trenton, Bensalem, Willingboro, Florence,
Burlington, Bristol, Riverside, Palmyra, Jenkintown, Narberth and
Bordentown.
This includes the following highways...
Interstate 295 in New Jersey between mile markers 47 and 55...and
near mile marker 57.
New Jersey Turnpike between exits 6 and 6A.
Interstate 76 in Pennsylvania between mile markers 334 and 341.
Interstate 95 in Pennsylvania between mile markers 27 and 40.
Pennsylvania Turnpike between mile markers 350 and 359.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4014 7501 4019 7476 4016 7472 4015 7472
4016 7471 4016 7470 4003 7478 3998 7528
4011 7528
FLASH FLOOD...OBSERVED
$$
AKL859
WGUS71 KPHI 150157 RRA
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
957 PM EDT Fri Jun 14 2024
NJC005-PAC017-091-101-150207-
/O.EXP.KPHI.FF.W.0005.000000T0000Z-240615T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Montgomery PA-Philadelphia PA-
957 PM EDT Fri Jun 14 2024
...FLASH FLOOD WARNING WILL EXPIRE AT 10 PM EDT THIS EVENING FOR
NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS, SOUTHEASTERN MONTGOMERY
AND PHILADELPHIA COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4014 7501 4019 7476 4016 7472 4015 7472
4016 7471 4016 7470 4003 7478 3998 7528
4011 7528
$$
RobertsonThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 46 min |
| Jun 14, 4:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 50 min |
| Jun 14, 5:02 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Jun 14, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 42 min |
| Jun 14, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 52 min |
| Jun 14, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Hunterdon, Mercer | 38 min |
| Jun 14, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 39 min |
| Jun 14, 5:56 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 14, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Somerset | 21 min |
| Jun 14, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth, Somerset | 27 min |
| Jun 14, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 51 min |
| Jun 14, 6:29 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jun 14, 6:34 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 41 min |
| Jun 14, 6:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 14, 6:44 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 3 hr |
| Jun 14, 6:47 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jun 14, 7:03 PM EDT | Special Marine Warning | PHI | 87 min | |
| Jun 14, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 38 min |
| Jun 14, 5:07 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jun 14, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 43 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2024Flash Flood Warnings in New Jersey, 2024Every flash flood warning in 2024
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.