Alert archive / New Jersey / Areal Flood Warnings in 2012

Areal Flood Warning 45, NWS Philadelphia/Mount Holly

December 21, 2012Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Dec 21, 2012, 10:30 PM EST for Sussex County, Warren County, New Jersey. It was in force for 85 min. 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, 10:30 PM EST (03:30 UTC)
Expired
Dec 21, 2012, 11:55 PM EST
In force
85 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 123 km from the middle of the area, began a volume at 03:35 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, 3.5 hours before the alert went out and 174 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2012-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

473 
WGUS41 KPHI 220330
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1030 PM EST FRI DEC 21 2012

NJC037-041-220730-
/O.NEW.KPHI.FA.W.0045.121222T0330Z-121222T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-SUSSEX NJ-
1030 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...
  WARREN COUNTY IN NORTHWEST NEW JERSEY...
  SUSSEX COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 230 AM EST

* AT 1029 PM EST THE PEQUEST RIVER IN PEQUEST AND THE PAPAKATING 
RIVER IN PELLETTOWN ARE STILL ABOVE FLOOD STAGE. A SLOW FALL IN 
WATER LEVELS IS EXPECTED THIS EVENING.

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 4136 7468 4121 7438 4095 7464 4091 7478
      4071 7497 4059 7519 4075 7519 4078 7517
      4077 7513 4083 7508 4085 7510 4086 7505
      4099 7513 4108 7497 4109 7499 4116 7491
      4132 7479

$$

AMC
2 follow-up statements
610 
WGUS81 KPHI 220339
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1039 PM EST FRI DEC 21 2012

NJC041-220345-
/O.CAN.KPHI.FA.W.0045.000000T0000Z-121222T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-
1039 PM EST FRI DEC 21 2012

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN WARREN COUNTY...

AT 1035 PM EST THE PEQUEST RIVER IN PEQUEST HAS FALL BELOW THE FLOOD 
STAGE OF 4.0 FEET. A CONTINUED SLOW FALL IS FORECAST FOR THE 
REMAINDER OF THIS EVENING AND OVERNIGHT.

LAT...LON 4121 7438 4105 7454 4098 7463 4095 7464
      4092 7477 4109 7496 4109 7499 4117 7489
      4132 7479 4136 7468

$$

NJC037-220730-
/O.CON.KPHI.FA.W.0045.000000T0000Z-121222T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
1039 PM EST FRI DEC 21 2012

...THE FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EST FOR URBAN
AREAS AND SMALL STREAMS IN SUSSEX COUNTY...

AT 1035 PM EST THE PAPAKATING RIVER IN PELLETTOWN IS STILL ABOVE 
FLOOD STAGE. A SLOW FALL IN WATER LEVELS IS EXPECTED FOR THE 
REMMAINDER OF THIS EVENING.

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 4121 7438 4105 7454 4098 7463 4095 7464
      4092 7477 4109 7496 4109 7499 4117 7489
      4132 7479 4136 7468

$$

AMC
468 
WGUS81 KPHI 220455
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1155 PM EST FRI DEC 21 2012

NJC037-220502-
/O.CAN.KPHI.FA.W.0045.000000T0000Z-121222T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
1155 PM EST FRI DEC 21 2012

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN SUSSEX COUNTY...

THE PAPAKATING CREEK IN PELLETTOWN HAS FALLEN BELOW THE FLOOD STAGE 
OF 4.0 FEET. A CONTINUING FALL IN WATER LEVELS IS FORECAST FOR THE 
REMAINDER OF TONIGHT.

LAT...LON 4121 7438 4105 7454 4098 7463 4095 7464
      4092 7477 4109 7496 4109 7499 4117 7489
      4132 7479 4136 7468

$$

AMC

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 21, 8:38 PM ESTRiver Flood WarningPHIMorris31 hr
Dec 22, 10:31 AM ESTAreal Flood WarningPHIMorris21 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.