Alert archive / New Jersey / Areal Flood Warnings in 2012
Areal Flood Warning 49, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Dec 27, 2012, 12:37 AM EST for Hunterdon 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
- Dec 27, 2012, 12:37 AM EST (05:37 UTC)
- Expired
- Dec 27, 2012, 7:03 AM EST
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Hunterdon County, NJ
The radar
The Philadelphia radar (KDIX), 68 km from the middle of the area, began a volume at 05:38 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 00:00Z, 5.6 hours before the alert went out and 172 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
- 442 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 413 m²/s²
- 0-3 km storm-relative helicity
- 963 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
638
WGUS41 KPHI 270537
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1237 AM EST THU DEC 27 2012
NJC019-270930-
/O.NEW.KPHI.FA.W.0049.121227T0537Z-121227T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
1237 AM EST THU DEC 27 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
SOUTH CENTRAL HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 430 AM EST
* AT 1234 AM EST...THE NESHANIC RIVER AT REAVILLE WAS APPROACHING
ITS FLOOD STAGE OF 5 FEET. THE RUNOFF FROM EARLY HEAVY RAIN IS
EXPECTED TO PUSH THE RIVER ABOVE FLOOD STAGE EARLY THIS MORNING.
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...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.
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.
&&
LAT...LON 4039 7491 4047 7492 4051 7492 4052 7479
4051 7479 4050 7479 4046 7476 4043 7475
$$
HAYES2 follow-up statements
642
WGUS41 KPHI 270837
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
337 AM EST THU DEC 27 2012
NJC019-271330-
/O.EXT.KPHI.FA.W.0049.000000T0000Z-121227T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
337 AM EST THU DEC 27 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
SOUTH CENTRAL HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 830 AM EST
* AT 336 AM EST...THE NESHANIC RIVER AT REAVILLE HAD CRESTED...BUT
REMAINS ABOVE FLOOD STAGE. THE WARNING HAS BEEN EXTENDED TO ALLOW
THE RIVER TIME TO DROP BACK BELOW FLOOD STAGE...WHICH SHOULD OCCUR
LATER THIS MORNING.
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4039 7491 4047 7492 4051 7492 4052 7479
4051 7479 4050 7479 4046 7476 4043 7475
$$
HAYES910
WGUS81 KPHI 271203
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
703 AM EST THU DEC 27 2012
NJC019-271208-
/O.CAN.KPHI.FA.W.0049.000000T0000Z-121227T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
703 AM EST THU DEC 27 2012
...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN SOUTH CENTRAL HUNTERDON COUNTY...
MOST SMALL STREAMS IN THE COUNTY HAVE NOW RECEDED BACK INTO THEIR
BANKS...INCLUDING THE NESHANIC RIVER AT REAVILLE. ANY ADDITIONAL
RAIN TODAY WILL NOT BE HEAVY ENOUGH TO PRODUCE RENEWED RISES ON AREA
STREAMS...SO THE FLOOD WARNING HAS BEEN CANCELED.
LAT...LON 4039 7491 4047 7492 4051 7492 4052 7479
4051 7479 4050 7479 4046 7476 4043 7475
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 7:55 PM EST | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 6 hr |
| Dec 26, 9:10 PM EST | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 4 hr |
| Dec 26, 11:15 PM EST | Areal Flood Advisory | PHI | Middlesex, Monmouth, Ocean | 3 hr |
| Dec 26, 11:30 PM EST | Areal Flood Warning | PHI | Monmouth, Ocean | 3 days |
| Dec 27, 1:01 AM EST | Special Weather Statement | PHI | Monmouth | 59 min |
| Dec 27, 1:52 AM EST | Special Weather Statement | PHI | Middlesex, Monmouth | 53 min |
| Dec 27, 7:58 AM EST | Areal Flood Warning | PHI | Morris | 5 hr |
| Dec 27, 1:42 PM EST | Wind Advisory | PHI | Cape May | 5 hr |
| Dec 27, 1:46 PM EST | River Flood Warning | PHI | Burlington | 55 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.