Alert archive / New Jersey / Flash Flood Warnings in 2018
Flash Flood Warning 53, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 7, 2018, 9:16 PM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 4 hr. 3 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
- Aug 7, 2018, 9:16 PM EDT (01:16 UTC)
- Expired
- Aug 8, 2018, 1:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 01:17 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 |
|---|---|---|---|
| Aug 7, 9:45 PM EDT | FLASH FLOOD | Middletown, NJ | FLOODING ON NJ 35 SOUTHBOUND. ALL LANES CLOSED AND DETOURED. START TIME ESTIMATED. |
| Aug 7, 10:00 PM EDT | FLOOD | Middletown, NJ | FLOODING ON NJ 35 SOUTHBOUND. ALL LANES CLOSED AND DETOURED. START TIME ESTIMATED. |
| Aug 7, 10:03 PM EDT | FLOOD | 1 Nne Aberdeen Twp, NJ | FLOODING ON THE GARDEN STATE PARKWAY SOUTHBOUND EXPRESS LANES AT EXIT 117. EXIT RAMP PARTIALLY BLOCKED. |
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, 1.3 hours before the alert went out and 117 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
- 1768 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
655
WGUS51 KPHI 080116
FFWPHI
NJC023-025-080515-
/O.NEW.KPHI.FF.W.0053.180808T0116Z-180808T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
916 PM EDT TUE AUG 7 2018
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
East central Middlesex County in northern New Jersey...
Northeastern Monmouth County in central New Jersey...
* Until 115 AM EDT.
* At 915 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly in the
areas of heaviest rain.
* Some locations that could experience flooding include...
Long Branch, Sandy Hook, Middletown, Old Bridge, East Brunswick,
Sayreville, Tinton Falls, Holmdel, Red Bank, Keansburg, Matawan,
Highlands, Brownville, Robertsville, Navesink, Lincroft,
Morganville, South River, Eatontown and Spotswood.
Additional rainfall amounts of one to two inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4027 7398 4035 7439 4046 7437 4048 7427
4044 7420 4046 7418 4045 7416 4045 7413
4042 7405 4041 7398 4048 7402 4048 7401
4043 7397
$$
Iovino2 follow-up statements
135
WGUS71 KPHI 080417
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1217 AM EDT WED AUG 8 2018
NJC023-080426-
/O.CAN.KPHI.FF.W.0053.000000T0000Z-180808T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Middlesex NJ-
1217 AM EDT WED AUG 8 2018
...THE FLASH FLOOD WARNING FOR EAST CENTRAL MIDDLESEX COUNTY IS
CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 4034 7398 4037 7416 4042 7415 4045 7413
4041 7403 4041 7397 4038 7397
$$
NJC025-080515-
/O.CON.KPHI.FF.W.0053.000000T0000Z-180808T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
1217 AM EDT WED AUG 8 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR
NORTHEASTERN MONMOUTH COUNTY...
At 1216 AM EDT, local law enforcement reported flash flooding in
Middletown. Three to of four inches of rain have fallen.
Some locations that could experience flooding include...
Middletown, Red Bank, Keansburg, Highlands, Navesink, Lincroft,
Rumson, Little Silver and North Middletown.
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.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4034 7398 4037 7416 4042 7415 4045 7413
4041 7403 4041 7397 4038 7397
$$
Meola090
WGUS71 KPHI 080510
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
110 AM EDT WED AUG 8 2018
NJC025-080520-
/O.EXP.KPHI.FF.W.0053.000000T0000Z-180808T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
110 AM EDT WED AUG 8 2018
...THE FLASH FLOOD WARNING FOR NORTHEASTERN MONMOUTH COUNTY WILL
EXPIRE AT 115 AM EDT...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4034 7398 4037 7416 4042 7415 4045 7413
4041 7403 4041 7397 4038 7397
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:28 PM EDT | Special Weather Statement | PHI | Monmouth | 47 min |
| Aug 7, 8:46 PM EDT | Special Weather Statement | PHI | Mercer | 44 min |
| Aug 7, 9:06 PM EDT | Areal Flood Advisory | PHI | Monmouth | 114 min |
| Aug 7, 11:33 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 27 min |
| Aug 8, 12:23 AM EDT | Special Weather Statement | PHI | Atlantic | 67 min |
| Aug 8, 6:40 PM EDT | Special Weather Statement | PHI | Middlesex | 35 min |
Nearby
Flash Flood Warnings in New Jersey, 2018Every flash flood warning in 2018
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.