Alert archive / New Jersey / Areal Flood Warnings in 2012
Areal Flood Warning 44, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Dec 21, 2012, 1:12 PM EST for Somerset County, New Jersey. It was in force for 8 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
- Dec 21, 2012, 1:12 PM EST (18:12 UTC)
- Expired
- Dec 21, 2012, 9:40 PM EST
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 18:12 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, 6.2 hours before the alert went out and 147 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
- 6 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 693 m²/s²
- 0-3 km storm-relative helicity
- 1064 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
058
WGUS41 KPHI 211812
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
112 PM EST FRI DEC 21 2012
NJC035-220015-
/O.NEW.KPHI.FA.W.0044.121221T1812Z-121222T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOMERSET NJ-
112 PM EST FRI DEC 21 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 715 PM EST
* AT 111 PM EST...THE NORTH BRANCH RARITAN RIVER IS ABOVE FLOOD
STAGE AT SOUTH BRANCH AND IS APPROACHING FLOOD STAGE AT NORTH
BRANCH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
DRIVING INTO FLOOD WATERS COULD PUT YOUR LIFE AT RISK AND COST YOU
THOUSANDS OF DOLLARS IN VEHICLE REPAIRS. FLOOD WATERS MAY BE DEEPER
THAN YOU THINK. TURN AROUND AND FIND AN ALTERNATE ROUTE.
&&
LAT...LON 4061 7443 4057 7453 4049 7446 4042 7458
4038 7460 4039 7466 4038 7472 4050 7479
4058 7471 4072 7472 4076 7456 4070 7451
4067 7453 4065 7452 4067 7446 4067 7439
$$
KRUZDLO2 follow-up statements
059
WGUS41 KPHI 220013
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
713 PM EST FRI DEC 21 2012
NJC035-220415-
/O.EXT.KPHI.FA.W.0044.000000T0000Z-121222T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOMERSET NJ-
713 PM EST FRI DEC 21 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 1115 PM EST
* AT 704 PM EST...THE NORTH BRANCH RARITAN RIVER AT SOUTH BRANCH IS
STILL ABOVE FLOOD STAGE WHILE THE NORTH BRANCH GAGE HAS FALLEN BELOW
FLOOD STAGE. A VERY SLOW DECREASE IN WATER LEVELS IS EXPECTED AT THE
SOUTH BRANCH OVER THE NEXT FEW HOURS.
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
DRIVING INTO FLOOD WATERS COULD PUT YOUR LIFE AT RISK AND COST YOU
THOUSANDS OF DOLLARS IN VEHICLE REPAIRS. FLOOD WATERS MAY BE DEEPER
THAN YOU THINK. TURN AROUND AND FIND AN ALTERNATE ROUTE.
&&
LAT...LON 4061 7443 4057 7453 4049 7446 4042 7458
4038 7460 4039 7466 4038 7472 4050 7479
4058 7471 4072 7472 4076 7456 4070 7451
4067 7453 4065 7452 4067 7446 4067 7439
$$
HEAVENER103
WGUS81 KPHI 220240
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
940 PM EST FRI DEC 21 2012
NJC035-220251-
/O.CAN.KPHI.FA.W.0044.000000T0000Z-121222T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOMERSET NJ-
940 PM EST FRI DEC 21 2012
...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN SOMERSET COUNTY...
DRIVING INTO FLOOD WATERS COULD PUT YOUR LIFE AT RISK AND COST YOU
THOUSANDS OF DOLLARS IN VEHICLE REPAIRS. FLOOD WATERS MAY BE DEEPER
THAN YOU THINK. TURN AROUND AND FIND AN ALTERNATE ROUTE.
LAT...LON 4061 7443 4057 7453 4049 7446 4042 7458
4038 7460 4039 7466 4038 7472 4050 7479
4058 7471 4072 7472 4076 7456 4070 7451
4067 7453 4065 7452 4067 7446 4067 7439
$$
HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 9:11 PM EST | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more | 12 hr |
| Dec 21, 12:27 AM EST | Coastal Flood Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 11 hr |
| Dec 21, 5:39 AM EST | Areal Flood Warning | PHI | Hunterdon | 10 hr |
| Dec 21, 6:17 AM EST | Areal Flood Warning | PHI | Morris | 15 hr |
| Dec 21, 7:36 AM EST | Areal Flood Warning | PHI | Sussex, Warren | 15 hr |
| Dec 21, 3:16 PM EST | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 27 hr |
| Dec 21, 5:45 PM EST | River Flood Warning | PHI | Morris, Passaic | 35 hr |
Nearby
Areal Flood Warnings in New Jersey, 2012Every areal flood warning in 2012
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.