Alert archive / New Jersey / Areal Flood Warnings in 2012

Areal Flood Warning 23, NWS Philadelphia/Mount Holly

September 4, 2012Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Sep 4, 2012, 6:02 PM EDT for Burlington County, New Jersey. It was in force for 16 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
Sep 4, 2012, 6:02 PM EDT (22:02 UTC)
Expired
Sep 5, 2012, 10:19 AM EDT
In force
16 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 22:03 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.0 hours before the alert went out and 141 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 869 joules per kilogram.LCLLFCEL10008507005003002001001 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
869 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

542 
WGUS41 KPHI 042202
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
602 PM EDT TUE SEP 4 2012

NJC005-050400-
/O.NEW.KPHI.FA.W.0023.120904T2202Z-120905T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
602 PM EDT TUE SEP 4 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL MIDNIGHT EDT

* AT 600 PM EDT BURLINGTON COUNTY EMERGENCY MANAGEMENT REPORTED THAT 
ROUTE 563 FROM CHATSWORTH TO NEW GRETNA WAS CLOSED DUE TO FLOODING. 
ADDITIONAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE TONIGHT.

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 3983 7456 3984 7448 3958 7439 3956 7447

$$

ROBERTSON
2 follow-up statements
994 
WGUS41 KPHI 050329
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1129 PM EDT TUE SEP 4 2012

NJC005-051600-
/O.EXT.KPHI.FA.W.0023.000000T0000Z-120905T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
1129 PM EDT TUE SEP 4 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL NOON EDT WEDNESDAY

* AT 1125 PM EDT...THERE WAS CONTINUED RESIDUAL FLOODING IN
  SOUTHEASTERN BURLINGTON COUNTY DUE TO THE RECENT HEAVY RAINFALL.
  PARTS OF ROUTE 563 REMAINED CLOSED. IT WILL TAKE SOME TIME FOR THE
  FLOOD WATERS TO RECEDE. AS A RESULT...THE FLOOD WARNING HAS BEEN
  EXTENDED UNTIL NOON ON WEDNESDAY.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
ALL INTERESTED PARTIES SHOULD TAKE THE NECESSARY PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3983 7456 3984 7448 3958 7439 3956 7447

$$

IOVINO
983 
WGUS81 KPHI 051419
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1019 AM EDT WED SEP 5 2012

NJC005-051428-
/O.CAN.KPHI.FA.W.0023.000000T0000Z-120905T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
1019 AM EDT WED SEP 5 2012

...THE FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN BURLINGTON
COUNTY...

THE NEW JERSEY STATE POLICE REPORTED THAT THE FLOODING HAS ENDED, 
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3983 7456 3984 7448 3958 7439 3956 7447

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 9:28 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean3 hr
Sep 4, 12:05 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Monmouth, Ocean4 hr
Sep 4, 1:25 AM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth, Ocean, Somerset4 hr
Sep 4, 1:34 AM EDTFlash Flood WarningPHIBurlington, Ocean6 hr
Sep 4, 1:55 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Gloucester4 hr
Sep 4, 3:41 AM EDTAreal Flood AdvisoryPHIBurlington, Camden2 hr
Sep 4, 3:48 AM EDTAreal Flood AdvisoryPHIOcean3 hr
Sep 4, 4:44 AM EDTAreal Flood AdvisoryPHIOcean2 hr
Sep 4, 4:55 AM EDTSmall Craft AdvisoryPHI47 hr
Sep 4, 6:47 AM EDTAreal Flood WarningPHIBurlington, Ocean3 hr
Sep 4, 12:08 PM EDTAreal Flood WarningPHIAtlantic, Burlington, Camden, Mercer, Middlesex, Monmouth and 2 more4 hr
Sep 4, 12:15 PM EDTAreal Flood WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem106 min
Sep 4, 12:39 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean56 hr
Sep 4, 1:13 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean62 min
Sep 4, 1:36 PM EDTFlash Flood WarningPHIMonmouth, Ocean4 hr
Sep 4, 1:47 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Mercer3 hr
Sep 4, 1:58 PM EDTSpecial Weather StatementPHIBurlington62 min
Sep 4, 2:11 PM EDTSpecial Weather StatementPHIMonmouth34 min
Sep 4, 2:22 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Somerset, Warren4 hr
Sep 4, 2:59 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Warren61 min
Sep 4, 3:13 PM EDTTornado WarningPHIBurlington, Ocean32 min
Sep 4, 3:40 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Sussex, Warren4 hr
Sep 4, 4:13 PM EDTAreal Flood AdvisoryPHIBurlington, Monmouth, Ocean54 min
Sep 4, 4:37 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Salem3 hr
Sep 4, 6:10 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester65 min
Sep 4, 6:30 PM EDTTornado WarningPHIBurlington, Camden30 min
Sep 4, 7:01 PM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester55 min
Sep 4, 7:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren114 min
Sep 4, 7:15 PM EDTSpecial Weather StatementPHIMercer60 min
Sep 4, 7:33 PM EDTFlash Flood WarningPHIWarren6 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.