Alert archive / New Jersey / Flash Flood Warnings in 2023
Flash Flood Warning 88, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 11, 2023, 7:01 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 11, 2023, 7:01 PM EDT (23:01 UTC)
- Expired
- Sep 12, 2023, 1:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 43 km from the middle of the area, began a volume at 23:02 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.0 hours before the alert went out and 131 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
- 726 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
835
WGUS51 KPHI 112301
FFWPHI
NJC025-029-120200-
/O.NEW.KPHI.FF.W.0088.230911T2301Z-230912T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
701 PM EDT Mon Sep 11 2023
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Monmouth County in central New Jersey...
Northwestern Ocean County in southern New Jersey...
* Until 1000 PM EDT.
* At 701 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. 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...
Long Branch, Middletown, Marlboro, Manalapan, Tinton Falls,
Holmdel, Red Bank, Matawan, Highlands, Roosevelt, East Freehold,
and West Freehold.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 10 and 24.
Garden State Parkway between mile markers 104 and 119.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4013 7458 4023 7451 4027 7441 4044 7421
4042 7403 4042 7404 4041 7400 4040 7398
4041 7398 4041 7397 4030 7397 4017 7426
4006 7454
FLASH FLOOD...RADAR INDICATED
$$
PO2 follow-up statements
630
WGUS71 KPHI 112350
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
750 PM EDT Mon Sep 11 2023
NJC025-029-120200-
/O.CON.KPHI.FF.W.0088.000000T0000Z-230912T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
750 PM EDT Mon Sep 11 2023
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING FOR MONMOUTH AND NORTH CENTRAL OCEAN COUNTIES...
At 750 PM EDT, Doppler radar indicated thunderstorms that produced
the excessive rainfall earlier are beginning to weaken. Areas of
water continue on roads and fields, so the warning will continue
into the evening.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Middletown, Marlboro, Manalapan, Tinton Falls, Holmdel, Red Bank,
Matawan, Roosevelt, East Freehold, West Freehold, Adelphia, and
Morganville.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 11 and 22.
Garden State Parkway between mile markers 107 and 119.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 7457 4023 7451 4028 7440 4044 7421
4042 7406 4039 7401 4037 7401 4031 7404
4017 7426 4010 7454
FLASH FLOOD...RADAR INDICATED
$$
PO791
WGUS51 KPHI 120132
FFWPHI
NJC025-029-120500-
/O.EXT.KPHI.FF.W.0088.000000T0000Z-230912T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
932 PM EDT Mon Sep 11 2023
The National Weather Service in Mount Holly has extended the
* Flash Flood Warning for...
Monmouth County in central New Jersey...
North Central Ocean County in southern New Jersey...
* Until 100 AM EDT.
* At 932 PM EDT, Doppler radar indicated that the heavy rains have
ended. Water levels remain high and will continue to remain that
way into the overnight.
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...
Middletown, Marlboro, Manalapan, Tinton Falls, Holmdel, Red Bank,
Matawan, Roosevelt, East Freehold, West Freehold, Adelphia, and
Morganville.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 11 and 22.
Garden State Parkway between mile markers 107 and 119.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Flooding is occurring or is imminent. Most flood related deaths
occur in automobiles. Do not attempt to cross water covered bridges,
dips, or low water crossings. Never try to cross a flowing stream,
even a small one, on foot. To escape rising water find another route
over higher ground.
&&
LAT...LON 4013 7457 4023 7451 4028 7440 4044 7421
4042 7406 4039 7401 4037 7401 4031 7404
4017 7426 4010 7454
FLASH FLOOD...RADAR INDICATED
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 9:03 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 3 hr |
| Sep 10, 9:37 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Sep 10, 10:00 PM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 3 hr |
| Sep 10, 10:31 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 3 hr |
| Sep 10, 10:47 PM EDT | Areal Flood Advisory | PHI | Monmouth | 2 hr |
| Sep 11, 12:03 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 3 hr |
| Sep 11, 3:04 PM EDT | Special Marine Warning | PHI | 41 min | |
| Sep 11, 4:26 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington | 82 min |
| Sep 11, 4:30 PM EDT | Special Weather Statement | PHI | Essex | 30 min |
| Sep 11, 4:43 PM EDT | Areal Flood Advisory | PHI | Morris | 108 min |
| Sep 11, 5:43 PM EDT | Flash Flood Warning | PHI | Middlesex | 3 hr |
| Sep 11, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 35 min |
| Sep 11, 6:21 PM EDT | Special Marine Warning | PHI | 54 min | |
| Sep 11, 6:47 PM EDT | Special Weather Statement | PHI | Monmouth | 58 min |
| Sep 11, 7:12 PM EDT | Special Marine Warning | PHI | 63 min |
Nearby
Flash Flood Warnings in New Jersey, 2023Every flash flood warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.