Alert archive / New Jersey / Flash Flood Warnings in 2018
Flash Flood Warning 113, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Nov 26, 2018, 4:24 PM EST for Morris County, Somerset County, Sussex County, New Jersey. It was in force for 3 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
- Nov 26, 2018, 4:24 PM EST (21:24 UTC)
- Expired
- Nov 26, 2018, 7:09 PM EST
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morris County, NJ, Somerset County, NJ, Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 129 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
- 653 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
762
WGUS51 KPHI 262124
FFWPHI
NJC027-035-037-270130-
/O.NEW.KPHI.FF.W.0113.181126T2124Z-181127T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
424 PM EST MON NOV 26 2018
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Morris County in northern New Jersey...
South central Sussex County in northwestern New Jersey...
North central Somerset County in northern New Jersey...
* Until 830 PM EST.
* At 423 PM EST, Doppler radar indicated heavy rain across the
warned area. Up to one inch of rain has already fallen, and
additional rain is possible. Flash flooding is expected to begin
shortly in the areas of heaviest rain.
* Some locations that could experience flooding include...
Morristown, Dover, Madison, Hopatcong, Florham Park, East Hanover,
Lincoln Park, Boonton, Wharton, Rockaway, Morris Plains, Mount
Arlington, Mendham, Mountain Lakes, Stanhope, Netcong, Peapack And
Gladstone, Chester, Victory Gardens and Far Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4091 7433 4088 7434 4086 7432 4082 7434
4079 7437 4076 7437 4065 7459 4097 7480
4105 7466 4097 7428 4092 7429 4091 7427
4090 7427
$$
SFJ2 follow-up statements
632
WGUS71 KPHI 262316
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
616 PM EST MON NOV 26 2018
NJC027-035-037-270130-
/O.CON.KPHI.FF.W.0113.000000T0000Z-181127T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Sussex NJ-Somerset NJ-
616 PM EST MON NOV 26 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EST FOR
MORRIS...SOUTH CENTRAL SUSSEX AND NORTH CENTRAL SOMERSET COUNTIES...
At 614 PM EST, Doppler radar indicated the heavy rain had left the
warned area. However, additional light rain is possible, and water
will be slow to recede given the already saturated ground.
Therefore, the flash flood warning continues. Up to one inch of rain
has already fallen. Flash flooding is expected to begin shortly.
Some locations that could experience flooding include...
Morristown, Dover, Madison, Hopatcong, Florham Park, East Hanover,
Lincoln Park, Boonton, Wharton, Rockaway, Morris Plains, Mount
Arlington, Mendham, Mountain Lakes, Stanhope, Netcong, Peapack And
Gladstone, Chester, Victory Gardens and Far Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4091 7433 4088 7434 4086 7432 4082 7434
4079 7437 4076 7437 4065 7459 4097 7480
4105 7466 4097 7428 4092 7429 4091 7427
4090 7427
$$
SFJ824
WGUS71 KPHI 270009
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
709 PM EST MON NOV 26 2018
NJC027-035-037-270019-
/O.CAN.KPHI.FF.W.0113.000000T0000Z-181127T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Sussex NJ-Somerset NJ-
709 PM EST MON NOV 26 2018
...THE FLASH FLOOD WARNING FOR MORRIS...SOUTH CENTRAL SUSSEX AND
NORTH CENTRAL SOMERSET COUNTIES IS CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4091 7433 4088 7434 4086 7432 4082 7434
4079 7437 4076 7437 4065 7459 4097 7480
4105 7466 4097 7428 4092 7429 4091 7427
4090 7427
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 7:39 PM EST | Areal Flood Warning | PHI | Middlesex | 20 hr |
| Nov 26, 3:06 AM EST | Gale Warning | PHI | 39 hr | |
| Nov 26, 2:06 PM EST | Coastal Flood Statement | PHI | Ocean | 29 hr |
| Nov 26, 3:07 PM EST | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 3 hr |
| Nov 26, 3:31 PM EST | Areal Flood Warning | PHI | Middlesex | 4 hr |
| Nov 26, 3:40 PM EST | Areal Flood Warning | PHI | Cumberland, Salem | 44 hr |
| Nov 26, 5:34 PM EST | Areal Flood Warning | PHI | Warren | 40 hr |
| Nov 26, 5:51 PM EST | River Flood Warning | PHI | Morris | 31 hr |
| Nov 26, 5:52 PM EST | River Flood Warning | PHI | Morris, Passaic | 21 hr |
| Nov 26, 6:02 PM EST | Areal Flood Warning | PHI | Hunterdon, Somerset | 2 hr |
| Nov 26, 6:29 PM EST | Areal Flood Warning | PHI | Atlantic, Burlington | 21 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.