Alert archive / New Jersey / Flash Flood Warnings in 2014

Flash Flood Warning 22, NWS Philadelphia/Mount Holly

July 2, 2014Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 2, 2014, 11:17 PM EDT for Burlington County, New Jersey. It was in force for 3 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
Jul 2, 2014, 11:17 PM EDT (03:17 UTC)
Expired
Jul 3, 2014, 2:15 AM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 03:21 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, 3.3 hours before the alert went out and 196 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 2014-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 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, Brookhaven, NY at 00:00Z on 2014-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
1001 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

592 
WGUS51 KPHI 030317
FFWPHI
NJC005-030615-
/O.NEW.KPHI.FF.W.0022.140703T0317Z-140703T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1117 PM EDT WED JUL 2 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 215 AM EDT

* AT 1111 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  EXCESSIVE RAINFALL FROM THUNDERSTORMS OVER NORTHWEST BURLINGTON    
  COUNTY. MORE THUNDERSTORMS ARE DEVELOPING ACROSS CAMDEN COUNTY AND  
  WILL MOVE ACROSS THE SAME AREAS THAT HAVE ALREADY RECEIVED HEAVY   
  RAINFALL. AN ADDITIONAL 1 TO 2 INCHES OF RAIN COULD OCCUR OVER THE 
  NEXT FEW HOURS. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WILLINGBORO...RIVERSIDE...JOBSTOWN...JACKSONVILLE...GEORGETOWN...
  COLUMBUS AND BURLINGTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

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. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3989 7492 3996 7500 4001 7503 4004 7497
      4014 7472 4005 7462

$$

PO
2 follow-up statements
107 
WGUS71 KPHI 030413
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1213 AM EDT THU JUL 3 2014

NJC005-030615-
/O.CON.KPHI.FF.W.0022.000000T0000Z-140703T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
1213 AM EDT THU JUL 3 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM EDT FOR
NORTHWESTERN BURLINGTON COUNTY...

AT 1208 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES 
THAT SOME OF THE THUNDERSTORMS OVER THE WARNED AREA HAVE WEAKENED. 

THERE REMAINS A CONSIDERABLE AMOUNT OF WATER ON AREA ROADS AND 
STREAMS ARE RUNNING HIGH. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WILLINGBORO...RIVERSIDE...JOBSTOWN...JACKSONVILLE...GEORGETOWN...
COLUMBUS AND BURLINGTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 3989 7492 3996 7500 4001 7503 4004 7497
      4014 7472 4005 7462

$$

PO
396 
WGUS71 KPHI 030442
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1242 AM EDT THU JUL 3 2014

NJC005-030451-
/O.CAN.KPHI.FF.W.0022.000000T0000Z-140703T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
1242 AM EDT THU JUL 3 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
BURLINGTON COUNTY...

THUNDERSTORMS HAVE MOVED AWAY FROM THE AREA. LINGERING PONDING OF 
WATER ON ROADS MAY BE DIFFICULT TO SEE AT NIGHT. USE CAUTION IF YOU 
WILL BE TRAVELING ACROSS THE AREA OVERNIGHT. 

LAT...LON 3989 7492 3996 7500 4001 7503 4004 7497
      4014 7472 4005 7462

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:07 PM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
Jul 2, 8:08 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem52 min
Jul 2, 8:19 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Monmouth56 min
Jul 2, 8:25 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Somerset4 hr
Jul 2, 8:33 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean57 min
Jul 2, 8:53 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean, Salem67 min
Jul 2, 8:59 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Monmouth, Ocean4 hr
Jul 2, 9:54 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean44 min
Jul 2, 10:20 PM EDTSpecial Marine WarningPHI55 min
Jul 2, 10:30 PM EDTSpecial Weather StatementPHIAtlantic60 min
Jul 2, 10:38 PM EDTAreal Flood AdvisoryPHIBurlington, Camden112 min
Jul 2, 10:58 PM EDTSpecial Weather StatementPHIBurlington62 min
Jul 3, 12:19 AM EDTSpecial Marine WarningPHI116 min
Jul 3, 12:23 AM EDTSpecial Marine WarningPHI67 min
Jul 3, 12:26 AM EDTSpecial Marine WarningPHI64 min
Jul 3, 12:41 AM EDTSevere Thunderstorm WarningPHICumberland50 min
Jul 3, 1:00 AM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem45 min
Jul 3, 1:14 AM EDTSpecial Marine WarningPHI61 min
Jul 3, 1:19 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more56 min
Jul 3, 1:52 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Ocean4 hr
Jul 3, 1:56 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean53 min
Jul 3, 2:08 AM EDTSpecial Marine WarningPHI67 min
Jul 3, 2:34 AM EDTSpecial Weather StatementPHIMonmouth56 min
Jul 3, 5:46 AM EDTSmall Craft AdvisoryPHI54 hr
Jul 3, 1:22 PM EDTSpecial Weather StatementPHIWarren38 min
Jul 3, 1:57 PM EDTTornado WarningPHIWarren24 min
Jul 3, 2:23 PM EDTSpecial Weather StatementPHISussex52 min
Jul 3, 3:27 PM EDTHigh Surf AdvisoryPHIAtlantic, Cape May, Monmouth, Ocean41 hr
Jul 3, 4:26 PM EDTSpecial Weather StatementPHIWarren49 min
Jul 3, 5:00 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex60 min
Jul 3, 5:21 PM EDTSpecial Weather StatementPHISussex54 min
Jul 3, 5:50 PM EDTSevere Thunderstorm WarningPHISussex55 min
Jul 3, 6:17 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 3, 6:38 PM EDTSpecial Weather StatementPHIWarren67 min
Jul 3, 6:42 PM EDTFlash Flood WarningPHISussex4 hr
Jul 3, 6:46 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester44 min
Jul 3, 6:47 PM EDTSevere Thunderstorm WarningPHIHunterdon, Sussex, Warren58 min
Jul 3, 7:02 PM EDTAreal Flood AdvisoryPHISussex, Warren4 hr
Jul 3, 7:05 PM EDTSpecial Weather StatementPHIHunterdon55 min
Jul 3, 7:14 PM EDTSpecial Weather StatementPHISussex61 min
Jul 3, 7:20 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Morris, Somerset55 min
Jul 3, 7:25 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Morris, Somerset, Warren65 min
Jul 3, 7:29 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean61 min
Jul 3, 7:44 PM EDTFlash Flood WarningPHIMercer, Middlesex, Morris, Somerset4 hr

Nearby

Flash Flood Warnings in New Jersey, 2014Every flash flood warning in 2014

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.