Alert archive / New Jersey / Areal Flood Warnings in 2012

Areal Flood Warning 40, NWS Philadelphia/Mount Holly

December 21, 2012Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Dec 21, 2012, 6:17 AM EST for Morris County, New Jersey. It was in force for 15 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, 6:17 AM EST (11:17 UTC)
Expired: Dec 21, 2012, 8:55 PM EST
In force: 15 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 106 km from the middle of the area, began a volume at 11:16 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, 11.3 hours before the alert went out and 136 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 206 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.

864 
WGUS41 KPHI 211117
FLWPHI

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

NJC027-211515-
/O.NEW.KPHI.FA.W.0040.121221T1117Z-121221T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
617 AM 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...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 1015 AM EST

* AT 614 AM EST MODERATE TO HEAVY RAINS CONTINUE ACROSS MORRIS       
  COUNTY. THE RAINS WILL LAST A FEW MORE HOURS. 

* SMALL STREAMS SUCH AS THE EAST DITCH AT BEAVER BROOK ROAD WILL     
  FLOOD SHORTLY. OTHER NEARBY STREAMS WILL FLOOD 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...

ADDITIONAL RAINFALL AMOUNTS OF AROUND AN INCH ARE POSSIBLE IN THE 
WARNED AREA THIS MORNING. 

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 4089 7429 4090 7434 4086 7432 4080 7437
      4073 7437 4065 7451 4076 7456 4072 7473
      4078 7489 4091 7477 4090 7470 4093 7465
      4098 7463 4109 7451 4104 7450 4105 7445
      4102 7443 4100 7430 4098 7428 4091 7427

$$

PO

4 follow-up statements

718 
WGUS41 KPHI 211459
FLWPHI

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

NJC027-211915-
/O.EXT.KPHI.FA.W.0040.000000T0000Z-121221T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
959 AM 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...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 215 PM EST

* AT 957 AM EST...GREEN POND BROOK AND THE WHIPPANY RIVER ARE STILL 
SLOWLY RISING AND ARE RUNNING HIGH. THE EAST DITCH AT BEAVER BROOK 
ROAD REMAINS ABOVE FLOOD STAGE.
 
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 4089 7429 4090 7434 4086 7432 4080 7437
      4073 7437 4065 7451 4076 7456 4072 7473
      4078 7489 4091 7477 4090 7470 4093 7465
      4098 7463 4109 7451 4104 7450 4105 7445
      4102 7443 4100 7430 4098 7428 4091 7427

$$

KRUZDLO

689 
WGUS41 KPHI 211906
FLWPHI

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

NJC027-212315-
/O.EXT.KPHI.FA.W.0040.000000T0000Z-121221T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
206 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...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 615 PM EST

* AT 205 PM EST...EAST DITCH AT BEAVER BROOK ROAD REMAINS ABOVE 
FLOOD STAGE.

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 4089 7429 4090 7434 4086 7432 4080 7437
      4073 7437 4065 7451 4076 7456 4072 7473
      4078 7489 4091 7477 4090 7470 4093 7465
      4098 7463 4109 7451 4104 7450 4105 7445
      4102 7443 4100 7430 4098 7428 4091 7427

$$

KRUZDLO

988 
WGUS41 KPHI 212301
FLWPHI

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

NJC027-220215-
/O.EXT.KPHI.FA.W.0040.000000T0000Z-121222T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
601 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...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 915 PM EST

* AT 559 PM EST EAST DITCH AT BEAVER BROOK REMAINS ABOVE FLOOD 
STAGE. 

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 4089 7429 4090 7434 4086 7432 4080 7437
      4073 7437 4065 7451 4076 7456 4072 7473
      4078 7489 4091 7477 4090 7470 4093 7465
      4098 7463 4109 7451 4104 7450 4105 7445
      4102 7443 4100 7430 4098 7428 4091 7427

$$

HEAVENER

363 
WGUS81 KPHI 220155
FLSPHI

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

NJC027-220206-
/O.CAN.KPHI.FA.W.0040.000000T0000Z-121222T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
855 PM EST FRI DEC 21 2012

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN MORRIS 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 4089 7429 4090 7434 4086 7432 4080 7437
      4073 7437 4065 7451 4076 7456 4072 7473
      4078 7489 4091 7477 4090 7470 4093 7465
      4098 7463 4109 7451 4104 7450 4105 7445
      4102 7443 4100 7430 4098 7428 4091 7427

$$

HEAVENER

The 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, 7:36 AM EST	Areal Flood Warning	PHI	Sussex, Warren	15 hr
Dec 21, 1:12 PM EST	Areal Flood Warning	PHI	Somerset	8 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, 2012 Every 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.