Alert archive / New Jersey / Flash Flood Warnings in 2012

Flash Flood Warning 50, NWS Philadelphia/Mount Holly

September 4, 2012Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 4, 2012, 1:34 AM EDT for Burlington County, Ocean County, New Jersey. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 4, 2012, 1:34 AM EDT (05:34 UTC)
Expired: Sep 4, 2012, 7:30 AM EDT
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 05:34 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.

What was reported inside it

Time	Report	Where	Remark
Sep 4, 2:00 AM EDT	FLASH FLOOD	Barnegat Twp, NJ	ROUTE 72 CLOSED IN THE WESTERN PART OF THE TOWNSHIP DUE TO FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 5.6 hours before the alert went out and 190 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1378 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 153 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.

514 
WGUS51 KPHI 040534
FFWPHI
NJC005-029-040930-
/O.NEW.KPHI.FF.W.0050.120904T0534Z-120904T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
134 AM EDT TUE SEP 4 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BURLINGTON COUNTY...
  SOUTHERN OCEAN COUNTY...

* UNTIL 530 AM EDT...

* AT 130 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER SOUTHEASTERN BURLINGTON
  AND SOUTHERN OCEAN COUNTIES. RADAR INDICATED THAT 3 TO 5 INCHES
  OF RAIN MAY ALREADY HAVE FALLEN FROM AROUND NEW GRETNA UP 
  THROUGH WARREN GROVE TO NEAR BAMBER LAKE. ANOTHER 1 TO 3 INCHES
  OF RAIN IS POSSIBLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BARNEGAT...
  BEACH HAVEN WEST...CHATSWORTH...TUCKERTON...BAMBER LAKE...BASS
  RIVER STATE FOREST...BROOKVILLE...NEW GRETNA...OLD HALFWAY...PENN
  STATE FOREST...WARREN GROVE AND WADING RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!

PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.

&&

LAT...LON 3959 7427 3959 7430 3958 7431 3957 7428
      3950 7432 3951 7436 3954 7435 3953 7440
      3955 7442 3954 7444 3956 7445 3956 7449
      3963 7464 3996 7447 3989 7412

$$

IOVINO

3 follow-up statements

387 
WGUS71 KPHI 040712
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
312 AM EDT TUE SEP 4 2012

NJC005-029-040930-
/O.CON.KPHI.FF.W.0050.000000T0000Z-120904T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-OCEAN NJ-
312 AM EDT TUE SEP 4 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM EDT FOR
SOUTHERN OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES...

AT 305 AM EDT...DOPPLER RADAR ESTIMATES CONTINUED TO INDICATE 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER SOUTHEASTERN BURLINGTON 
AND SOUTHERN OCEAN COUNTIES. RADAR INDICATED RAINFALL AMOUNTS IN 
EXCESS OF FOUR TO FIVE INCHES FROM NORTH OF NEW GRETNA TO WARREN 
GROVE TO SOUTH OF BAMBER LAKE. ADDITIONAL HEAVY RAIN IS EXPECTED IN 
THE WARNING AREA WITH SOME LOCATIONS POSSIBLY RECEIVING ANOTHER ONE 
TO THREE INCHES OF RAIN IN A SHORT AMOUNT OF TIME. THIS IS A 
DANGEROUS SITUATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH 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.

PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1-877-633-6772.

&&

LAT...LON 3959 7427 3959 7430 3958 7431 3957 7428
      3950 7432 3951 7436 3954 7435 3953 7440
      3955 7442 3954 7444 3956 7445 3956 7449
      3963 7464 3996 7447 3989 7412

$$

IOVINO

079 
WGUS51 KPHI 040922
FFWPHI
NJC005-029-041130-
/O.EXT.KPHI.FF.W.0050.000000T0000Z-120904T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 AM EDT TUE SEP 4 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BURLINGTON COUNTY...
  SOUTHERN OCEAN COUNTY...

* UNTIL 730 AM EDT...

* AT 515 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT SIX
  TO EIGHT INCHES OF RAIN OR MORE HAD FALLEN IN PARTS OF SOUTHEASTERN
  BURLINGTON COUNTY AND SOUTHWESTERN OCEAN COUNTY DURING THE NIGHT.
  WHILE RAINFALL RATES HAVE DECREASED CONSIDERABLY...RUNOFF FROM THE
  HEAVY RAIN MAY CONTINUE TO CAUSE FLOODING EARLY THIS MORNING. AS A
  RESULT, THE FLASH FLOOD WARNING HAS BEEN EXTENDED UNTIL 730 AM.

* THE HEAVIEST RAINFALL WAS INDICATED FROM NORTH OF NEW GRETNA TO
  WARREN GROVE TO SOUTH OF BAMBER LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH 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.

&&

LAT...LON 3959 7427 3959 7430 3958 7431 3957 7428
      3950 7432 3951 7436 3954 7435 3953 7440
      3955 7442 3954 7444 3956 7445 3956 7449
      3963 7464 3996 7447 3989 7412

$$

IOVINO

200 
WGUS71 KPHI 041126
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
726 AM EDT TUE SEP 4 2012

NJC005-029-041134-
/O.EXP.KPHI.FF.W.0050.000000T0000Z-120904T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-OCEAN NJ-
726 AM EDT TUE SEP 4 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 730 AM EDT FOR SOUTHERN
OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES...

THE FLASH FLOOD WARNING HAS BEEN REPLACED BY AN AREAL FLOOD WARNING 
AS SOME ADDITIONAL DOWNPOURS CONTINUE, WHICH MAY ADD TO SOME OF THE 
FLOODING.

LAT...LON 3959 7427 3959 7430 3958 7431 3957 7428
      3950 7432 3951 7436 3954 7435 3953 7440
      3955 7442 3954 7444 3956 7445 3956 7449
      3963 7464 3996 7447 3989 7412

$$

FORECASTER: GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 9:28 PM EDT	Areal Flood Advisory	PHI	Burlington, Ocean	3 hr
Sep 4, 12:05 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Monmouth, Ocean	4 hr
Sep 4, 1:25 AM EDT	Areal Flood Advisory	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset	4 hr
Sep 4, 1:55 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester	4 hr
Sep 4, 3:41 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Sep 4, 3:48 AM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Sep 4, 4:44 AM EDT	Areal Flood Advisory	PHI	Ocean	2 hr
Sep 4, 4:55 AM EDT	Small Craft Advisory	PHI		47 hr
Sep 4, 6:47 AM EDT	Areal Flood Warning	PHI	Burlington, Ocean	3 hr
Sep 4, 12:08 PM EDT	Areal Flood Warning	PHI	Atlantic, Burlington, Camden, Mercer, Middlesex, Monmouth and 2 more	4 hr
Sep 4, 12:15 PM EDT	Areal Flood Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	106 min
Sep 4, 12:39 PM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Monmouth, Ocean	56 hr
Sep 4, 1:13 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	62 min
Sep 4, 1:36 PM EDT	Flash Flood Warning	PHI	Monmouth, Ocean	4 hr
Sep 4, 1:47 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester, Mercer	3 hr
Sep 4, 1:58 PM EDT	Special Weather Statement	PHI	Burlington	62 min
Sep 4, 2:11 PM EDT	Special Weather Statement	PHI	Monmouth	34 min
Sep 4, 2:22 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Somerset, Warren	4 hr
Sep 4, 2:59 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Warren	61 min
Sep 4, 3:13 PM EDT	Tornado Warning	PHI	Burlington, Ocean	32 min
Sep 4, 3:40 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren	4 hr
Sep 4, 4:13 PM EDT	Areal Flood Advisory	PHI	Burlington, Monmouth, Ocean	54 min
Sep 4, 4:37 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	3 hr
Sep 4, 6:02 PM EDT	Areal Flood Warning	PHI	Burlington	16 hr
Sep 4, 6:10 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	65 min
Sep 4, 6:30 PM EDT	Tornado Warning	PHI	Burlington, Camden	30 min
Sep 4, 7:01 PM EDT	Areal Flood Warning	PHI	Burlington, Camden, Gloucester	55 min
Sep 4, 7:06 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Sussex, Warren	114 min
Sep 4, 7:15 PM EDT	Special Weather Statement	PHI	Mercer	60 min
Sep 4, 7:33 PM EDT	Flash Flood Warning	PHI	Warren	6 hr

Nearby

Flash Flood Warnings in New Jersey, 2012 Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.