Alert archive / New Jersey / Flash Flood Warnings in 2012

Flash Flood Warning 14, NWS Philadelphia/Mount Holly

June 22, 20124 counties in New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 22, 2012, 7:52 PM EDT for 4 counties in New Jersey. It was in force for 73 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: Jun 22, 2012, 7:52 PM EDT (23:52 UTC)
Expired: Jun 22, 2012, 9:05 PM EDT
In force: 73 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Burlington County, NJ, Camden County, NJ, Mercer County, NJ, Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 32 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 130 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: 1129 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

044 
WGUS51 KPHI 222352
FFWPHI
NJC005-007-021-025-230345-
/O.NEW.KPHI.FF.W.0014.120622T2352Z-120623T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
752 PM EDT FRI JUN 22 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL CAMDEN COUNTY...
  SOUTH CENTRAL MERCER COUNTY...
  NORTHWESTERN BURLINGTON COUNTY...
  SOUTHWESTERN MONMOUTH COUNTY...

* UNTIL 1145 PM EDT...

* AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM THUNDERSTORMS OVER CENTRAL CAMDEN...  
NORTHWESTERN BURLINGTON...SOUTH CENTRAL MERCER AND SOUTHWESTERN   
MONMOUTH COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ALLENTOWN...BORDENTOWN...BURLINGTON...CHERRY HILL...FLORENCE...
  LEISURETOWNE...MARLTON...MEDFORD...MOUNT HOLLY...PEMBERTON...
  WILLINGBORO...WRIGHTSTOWN...COLUMBUS...CROSSWICKS...EVESHAM...
  GEORGETOWN...GREENTREE...JACKSONVILLE...JOBSTOWN...LUMBERTON...
  MOUNT LAUREL...SPRINGDALE...TABERNACLE AND VOORHEES.

ONE TO THREE INCHES OF RAIN IS POSSIBLE IN A VERY SHORT TIME WITHIN 
THE WARNING. FLASH FLOODING IS LIKELY.

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 3982 7471 3982 7506 4008 7487 4013 7482
      4012 7478 4015 7473 4017 7473 4023 7448

$$

KRUZDLO

1 follow-up statement

484 
WGUS71 KPHI 230105
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
905 PM EDT FRI JUN 22 2012

NJC005-007-021-025-230115-
/O.CAN.KPHI.FF.W.0014.000000T0000Z-120623T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-MERCER NJ-BURLINGTON NJ-MONMOUTH NJ-
905 PM EDT FRI JUN 22 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
MONMOUTH...NORTHWESTERN BURLINGTON...SOUTH CENTRAL MERCER AND CENTRAL
CAMDEN COUNTIES...

THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 3982 7471 3982 7506 4008 7487 4013 7482
      4012 7478 4015 7473 4017 7473 4023 7448

$$

KRUZDLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 10:12 AM EDT	Special Weather Statement	PHI	Ocean	33 min
Jun 22, 11:57 AM EDT	Special Weather Statement	PHI	Ocean	63 min
Jun 22, 12:15 PM EDT	Special Weather Statement	PHI	Ocean	60 min
Jun 22, 12:18 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	42 min
Jun 22, 12:21 PM EDT	Special Marine Warning	PHI		84 min
Jun 22, 12:23 PM EDT	Special Marine Warning	PHI		97 min
Jun 22, 12:44 PM EDT	Areal Flood Advisory	PHI	Ocean	2 hr
Jun 22, 12:53 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	52 min
Jun 22, 12:59 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	61 min
Jun 22, 1:10 PM EDT	Flash Flood Warning	PHI	Ocean	6 hr
Jun 22, 1:37 PM EDT	Special Weather Statement	PHI	Burlington	83 min
Jun 22, 1:42 PM EDT	Special Marine Warning	PHI		63 min
Jun 22, 1:46 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	59 min
Jun 22, 1:49 PM EDT	Special Weather Statement	PHI	Ocean	56 min
Jun 22, 1:59 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	73 min
Jun 22, 2:04 PM EDT	Special Marine Warning	PHI		56 min
Jun 22, 2:31 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Monmouth, Ocean	119 min
Jun 22, 2:34 PM EDT	Special Weather Statement	PHI	Atlantic	56 min
Jun 22, 2:39 PM EDT	Special Marine Warning	PHI		96 min
Jun 22, 2:42 PM EDT	Special Weather Statement	PHI	Burlington, Ocean	63 min
Jun 22, 2:46 PM EDT	Special Weather Statement	PHI	Monmouth	59 min
Jun 22, 2:51 PM EDT	Special Marine Warning	PHI		54 min
Jun 22, 3:16 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Camden, Ocean	59 min
Jun 22, 3:28 PM EDT	Special Marine Warning	PHI		62 min
Jun 22, 3:40 PM EDT	Special Marine Warning	PHI		65 min
Jun 22, 3:43 PM EDT	Areal Flood Advisory	PHI	Atlantic	2 hr
Jun 22, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	65 min
Jun 22, 4:00 PM EDT	Flash Flood Warning	PHI	Burlington	43 min
Jun 22, 4:05 PM EDT	Special Marine Warning	PHI		85 min
Jun 22, 4:09 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	66 min
Jun 22, 4:11 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	44 min
Jun 22, 4:15 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Ocean	60 min
Jun 22, 4:26 PM EDT	Special Marine Warning	PHI		94 min
Jun 22, 4:27 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Ocean	2 hr
Jun 22, 4:49 PM EDT	Special Weather Statement	PHI	Cape May	56 min
Jun 22, 5:00 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	45 min
Jun 22, 5:05 PM EDT	Special Weather Statement	PHI	Atlantic, Ocean	55 min
Jun 22, 5:16 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	59 min
Jun 22, 5:23 PM EDT	Special Marine Warning	PHI		97 min
Jun 22, 5:45 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Morris, Somerset	42 min
Jun 22, 5:48 PM EDT	Special Weather Statement	PHI	Mercer	57 min
Jun 22, 5:54 PM EDT	Special Marine Warning	PHI		96 min
Jun 22, 6:13 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Mercer, Ocean, Salem	62 min
Jun 22, 6:16 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Mercer, Ocean, Salem	119 min
Jun 22, 7:02 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	102 min
Jun 22, 7:04 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	56 min
Jun 22, 7:06 PM EDT	Severe Thunderstorm Warning	PHI	Salem	54 min
Jun 22, 7:30 PM EDT	Special Marine Warning	PHI		60 min
Jun 22, 7:42 PM EDT	Flash Flood Warning	PHI	Salem	93 min
Jun 22, 7:57 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	69 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.