Alert archive / New Jersey / Flash Flood Warnings in 2016

Flash Flood Warning 28, NWS Philadelphia/Mount Holly

July 31, 2016Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 31, 2016, 7:04 AM EDT for Burlington County, Ocean County, New Jersey. It was in force for 4 hr. 7 reports 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
Jul 31, 2016, 7:04 AM EDT (11:04 UTC)
Expired
Jul 31, 2016, 11:00 AM EDT
In force
4 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), 11 km from the middle of the area, began a volume at 11:05 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

TimeReportWhereRemark
Jul 31, 7:30 AM EDTFLOODManchester Twp, NJMINOR FLOODING ALONG ROUTE 530. TIME ESTIMATED FROM RADAR
Jul 31, 7:51 AM EDTHEAVY RAIN 211 Se Lakehurst, NJ12 HOUR RAINFALL.
Jul 31, 8:00 AM EDTHEAVY RAIN 3.5Nw Pine Beach, NJ24 HOUR RAINFALL.
Jul 31, 8:42 AM EDTHEAVY RAIN 5.59Ocean County Airport, NJSINCE 530 AM EDT
Jul 31, 9:00 AM EDTHEAVY RAIN 2.5Lanoka Harbor, NJ
Jul 31, 9:00 AM EDTHEAVY RAIN 3.223 Sse Berkeley Twp, NJ2.38 INCHES FELL BETWEEN 700 AND 900 AM.
Jul 31, 9:00 AM EDTHEAVY RAIN 3.5Whiting, NJ

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, 11.1 hours before the alert went out and 158 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 2016-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 683 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 2016-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
683 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

863 
WGUS51 KPHI 311104
FFWPHI
NJC005-029-311500-
/O.NEW.KPHI.FF.W.0028.160731T1104Z-160731T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
704 AM EDT SUN JUL 31 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  EAST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1100 AM EDT

* AT 703 AM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  HEAVY RAIN FALLING ACROSS THE WARNED AREA. UP TO THREE INCHES OF
  RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TOMS RIVER...BEACHWOOD...PLEASANT PLAINS...WHITING...
  CEDAR GLEN LAKES...HOLIDAY CITY SOUTH...HOLIDAY CITY-BERKELEY...
  PINE RIDGE AT CRESTWOOD...OLD HALFWAY...BAMBER LAKE...
  LEISURE VILLAGE WEST-PINE LAKE PARK...LEISURE VILLAGE EAST...
  SOUTH TOMS RIVER...ISLAND HEIGHTS...CRESTWOOD VILLAGE...
  HOLIDAY HEIGHTS...HOLIDAY CITY AND SILVER RIDGE.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4004 7414 3987 7414 3981 7447 3993 7452

$$

SFJ
2 follow-up statements
909 
WGUS71 KPHI 311226
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
826 AM EDT SUN JUL 31 2016

NJC005-311235-
/O.CAN.KPHI.FF.W.0028.000000T0000Z-160731T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-
826 AM EDT SUN JUL 31 2016

...THE FLASH FLOOD WARNING FOR EAST CENTRAL BURLINGTON COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES.

LAT...LON 3982 7441 3994 7447 4004 7414 3987 7414

$$

NJC029-311500-
/O.CON.KPHI.FF.W.0028.000000T0000Z-160731T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OCEAN NJ-
826 AM EDT SUN JUL 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
CENTRAL OCEAN COUNTY...

AT 825 AM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THAT HEAVY RAIN WAS FALLING OVER THE AREA. OVER FOUR INCHES OF RAIN
HAVE FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
TOMS RIVER...BEACHWOOD...PLEASANT PLAINS...WHITING...
CEDAR GLEN LAKES...HOLIDAY CITY SOUTH...HOLIDAY CITY-BERKELEY...
PINE RIDGE AT CRESTWOOD...BAMBER LAKE...
LEISURE VILLAGE WEST-PINE LAKE PARK...LEISURE VILLAGE EAST...
SOUTH TOMS RIVER...ISLAND HEIGHTS...CRESTWOOD VILLAGE...
HOLIDAY HEIGHTS...HOLIDAY CITY AND SILVER RIDGE.

ADDITIONAL RAINFALL AMOUNTS OF AROUND ONE INCH ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3982 7441 3994 7447 4004 7414 3987 7414

$$

SFJ
360 
WGUS71 KPHI 311450
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1050 AM EDT SUN JUL 31 2016

NJC029-311500-
/O.EXP.KPHI.FF.W.0028.000000T0000Z-160731T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OCEAN NJ-
1050 AM EDT SUN JUL 31 2016

...THE FLASH FLOOD WARNING FOR CENTRAL OCEAN COUNTY WILL EXPIRE AT
1100 AM EDT...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER...ADDITIONAL SHOWERS AND STORMS ARE POSSIBLE
LATER TODAY.

LAT...LON 3982 7441 3994 7447 4004 7414 3987 7414

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 8:15 PM EDTAreal Flood AdvisoryPHIHunterdon4 hr
Jul 30, 10:19 PM EDTAreal Flood WarningPHIMercer, Middlesex, Somerset7 hr
Jul 30, 10:32 PM EDTAreal Flood WarningPHIHunterdon4 hr
Jul 30, 10:54 PM EDTSpecial Weather StatementPHICumberland, Gloucester, Salem36 min
Jul 31, 6:31 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Hunterdon, Mercer44 min
Jul 31, 6:49 AM EDTRiver Flood WarningPHISomerset25 hr
Jul 31, 7:19 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Mercer3 hr
Jul 31, 7:22 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Somerset4 hr
Jul 31, 7:48 AM EDTAreal Flood AdvisoryPHIBurlington, Ocean4 hr
Jul 31, 8:21 AM EDTFlash Flood WarningPHIHunterdon7 hr
Jul 31, 9:59 AM EDTSpecial Marine WarningPHI61 min
Jul 31, 10:08 AM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland4 hr
Jul 31, 10:17 AM EDTAreal Flood AdvisoryPHIMiddlesex, Morris, Somerset4 hr
Jul 31, 11:04 AM EDTAreal Flood WarningPHIHunterdon, Somerset9 hr
Jul 31, 11:53 AM EDTFlash Flood WarningPHIHunterdon, Somerset4 hr
Jul 31, 12:28 PM EDTFlash Flood WatchPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 2 more38 hr
Jul 31, 12:44 PM EDTAreal Flood AdvisoryPHIMonmouth4 hr
Jul 31, 2:06 PM EDTFlash Flood WarningPHIMonmouth4 hr
Jul 31, 2:41 PM EDTSpecial Weather StatementPHIMercer49 min
Jul 31, 2:53 PM EDTSpecial Weather StatementPHIOcean22 min
Jul 31, 7:34 PM EDTAreal Flood AdvisoryPHIWarren4 hr

Nearby

Flash Flood Warnings in New Jersey, 2016Every flash flood warning in 2016

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.