Alert archive / New Jersey / Flash Flood Warnings in 2016

Flash Flood Warning 11, NWS Philadelphia/Mount Holly

July 1, 2016Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 1, 2016, 5:14 PM EDT for Cumberland County, New Jersey. It was in force for 4 hr. 6 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 1, 2016, 5:14 PM EDT (21:14 UTC)
Expired
Jul 1, 2016, 8:45 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 21:13 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 1, 5:30 PM EDTFLASH FLOODVineland, NJNUMEROUS WATER RESCUES
Jul 1, 6:00 PM EDTHEAVY RAIN 3.5Millville, NJ3.50 INCHES OF RAIN WITHIN 3 HOURS.
Jul 1, 6:10 PM EDTHEAVY RAIN 5.5Vineland, NJ5.50 INCHES OF RAIN IN 90 MINUTES.
Jul 1, 6:30 PM EDTHEAVY RAIN 5.381 Ese Vineland, NJOVER 4 INCHES OF RAINFALL IN 2 HOURS
Jul 1, 7:00 PM EDTHEAVY RAIN 5.961 Ese Vineland, NJFELL IN UNDER A 4 HR PERIOD ENDING AT 7 PM
Jul 1, 7:30 PM EDTHEAVY RAIN 6.6Vineland, NJ6.60 INCH STORM TOTAL

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.2 hours before the alert went out and 162 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, Wallops Is Stn, VA at 12:00Z on 2016-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1210 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2016-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1210 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
766 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

021 
WGUS51 KPHI 012114
FFWPHI
NJC011-020045-
/O.NEW.KPHI.FF.W.0011.160701T2114Z-160702T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
514 PM EDT FRI JUL 1 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 845 PM EDT
    
* AT 513 PM EDT...DOPPLER RADAR AND AUTOMATED RAINFALL GAUGES
  INDICATED A THUNDERSTORM PRODUCING HEAVY RAIN 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...
  VINELAND...MILLVILLE...CUMBERLAND...LAUREL LAKE...MAURICETOWN...
  SOUTH VINELAND...FAIRTON...LEESBURG...PORT ELIZABETH...
  BRICKSBORO...CEDARVILLE AND PORT NORRIS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3950 7497 3940 7488 3937 7494 3924 7496
      3926 7504 3932 7509 3928 7525 3940 7522

$$

JRK
1 follow-up statement
103 
WGUS71 KPHI 012231
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
631 PM EDT FRI JUL 1 2016

NJC011-020045-
/O.CON.KPHI.FF.W.0011.000000T0000Z-160702T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUMBERLAND NJ-
631 PM EDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
CENTRAL CUMBERLAND COUNTY...

AT 629 PM EDT...EMERGENCY MANAGEMENT REPORTED NUMEROUS WATER RESCUES
IN VINELAND. A SPOTTER REPORTED 5.50 INCHES OF RAINFALL IN UNDER TWO
HOURS. FLASH FLOODING IS ALREADY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VINELAND...MILLVILLE...CUMBERLAND...LAUREL LAKE...MAURICETOWN...
SOUTH VINELAND...FAIRTON...LEESBURG...PORT ELIZABETH...BRICKSBORO...
CEDARVILLE AND PORT NORRIS.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA...WHICH WILL EXACERBATE THE FLASH FLOODING IN THE
VINELAND AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

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

&&

LAT...LON 3950 7497 3940 7488 3937 7494 3924 7496
      3926 7504 3932 7509 3928 7525 3940 7522

$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 1:37 AM EDTAreal Flood AdvisoryPHICape May4 hr
Jul 1, 2:25 AM EDTSpecial Marine WarningPHI65 min
Jul 1, 11:55 AM EDTSpecial Marine WarningPHI2 hr
Jul 1, 2:03 PM EDTSpecial Weather StatementPHIMercer, Middlesex27 min
Jul 1, 2:19 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth41 min
Jul 1, 2:57 PM EDTSevere Thunderstorm WarningPHIMonmouth48 min
Jul 1, 3:05 PM EDTSevere Thunderstorm WarningPHICumberland40 min
Jul 1, 3:33 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Sussex, Warren57 min
Jul 1, 3:55 PM EDTSevere Thunderstorm WarningPHIBurlington35 min
Jul 1, 4:09 PM EDTSpecial Weather StatementPHIMonmouth36 min
Jul 1, 4:36 PM EDTFlash Flood WarningPHIMonmouth4 hr
Jul 1, 4:36 PM EDTSpecial Weather StatementPHIMorris39 min
Jul 1, 4:50 PM EDTAreal Flood AdvisoryPHIAtlantic, Cumberland3 hr
Jul 1, 4:58 PM EDTSevere Thunderstorm WarningPHICumberland47 min
Jul 1, 5:32 PM EDTSpecial Weather StatementPHIAtlantic43 min
Jul 1, 5:37 PM EDTSmall Craft AdvisoryPHI2 hr
Jul 1, 5:37 PM EDTSevere Thunderstorm WarningPHIAtlantic38 min
Jul 1, 6:14 PM EDTSpecial Weather StatementPHIAtlantic61 min
Jul 1, 6:20 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Cumberland, Ocean4 hr
Jul 1, 6:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
Jul 1, 6:37 PM EDTSpecial Marine WarningPHI53 min
Jul 1, 6:50 PM EDTAreal Flood AdvisoryPHISussex, Warren4 hr
Jul 1, 7:18 PM EDTSpecial Weather StatementPHIWarren27 min

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.