Alert archive / New Jersey / Flash Flood Warnings in 2016

Flash Flood Warning 10, NWS Philadelphia/Mount Holly

July 1, 2016Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 1, 2016, 4:36 PM EDT for Monmouth County, New Jersey. It was in force for 4 hr. 5 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, 4:36 PM EDT (20:36 UTC)
Expired
Jul 1, 2016, 8:30 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 20:40 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, 4:40 PM EDTFLASH FLOODLong Branch, NJNUMEROUS ROADS QUICKLY FLOODED.
Jul 1, 4:55 PM EDTFLASH FLOOD1 Ese Freehold, NJRT 33 BETWEEN BROAD ST AND MAIN ST CLOSED DUE TO HIGH WATER
Jul 1, 6:20 PM EDTHEAVY RAIN 3.971 Ese Phalanx, NJ3.2 INCHES FELL IN 90 MIN PERIOD ENDING AT 448 PM
Jul 1, 7:00 PM EDTHEAVY RAIN 4.461 Nnw West Shrewsbury, NJ2.11 INCHES IN 1 HR ENDING 441 PM
Jul 1, 7:21 PM EDTHEAVY RAIN 5.94 Ene Colts Neck, NJ3.2 INCHES IN 90 MIN ENDING 448 PM...THEN ANOTHER 1.5 INCHES IN 15 MIN ENDING 650 PM

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 12:00Z, 8.6 hours before the alert went out and 115 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 12:00Z on 2016-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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 12:00Z on 2016-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
97 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

733 
WGUS51 KPHI 012036
FFWPHI
NJC025-020030-
/O.NEW.KPHI.FF.W.0010.160701T2036Z-160702T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...

* UNTIL 830 PM EDT
    
* AT 434 PM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  THUNDERSTORMS 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...
  LONG BRANCH...TINTON FALLS...RED BANK...HIGHLANDS...LINCROFT...
  NAVESINK...ADELPHIA...EAST FREEHOLD...WEST FREEHOLD...EATONTOWN...
  FREEHOLD...WEST LONG BRANCH...RUMSON...LITTLE SILVER...OCEANPORT...
  SHREWSBURY AND OAKHURST. THIS COULD ALSO IMPACT THE GARDEN STATE
  PARKWAY IN MONMOUTH COUNTY.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH ARE POSSIBLE IN THE WARNED
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 4034 7393 4032 7397 4029 7397 4028 7398
      4021 7427 4024 7431 4039 7409 4042 7402
      4041 7398 4043 7398

$$

JRK
2 follow-up statements
002 
WGUS71 KPHI 012226
FFSPHI

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

NJC025-020030-
/O.CON.KPHI.FF.W.0010.000000T0000Z-160702T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-
626 PM EDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
EAST CENTRAL MONMOUTH COUNTY...

AT 620 PM EDT...COUNTY EMERGENCY MANAGEMENT REPORTED SEVERAL FLOODED
ROADS IN THE FREEHOLD AND RED BANK AREA DUE TO THE HEAVY RAIN THAT
FELL LATE THIS AFTERNOON. UP TO FOUR INCHES OF RAIN HAVE ALREADY
FALLEN. AFTER A BREAK IN THE HEAVY RAIN...ANOTHER ROUND OF SHOWERS
AND THUNDERSTORMS ARE MOVING BACK INTO THE AREA EARLY THIS EVENING
WHICH COULD LEAD TO ADDITIONAL FLASH FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LONG BRANCH...TINTON FALLS...RED BANK...HIGHLANDS...LINCROFT...
NAVESINK...ADELPHIA...EAST FREEHOLD...WEST FREEHOLD...EATONTOWN...
FREEHOLD...WEST LONG BRANCH...RUMSON...LITTLE SILVER...OCEANPORT...
SHREWSBURY AND OAKHURST.

ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF ONE INCH ARE POSSIBLE IN
THE WARNED 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 4034 7393 4032 7397 4029 7397 4028 7398
      4021 7427 4024 7431 4039 7409 4042 7402
      4041 7398 4043 7398

$$

JRK
774 
WGUS71 KPHI 020024
FFSPHI

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

NJC025-020031-
/O.EXP.KPHI.FF.W.0010.000000T0000Z-160702T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-
824 PM EDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING FOR EAST CENTRAL MONMOUTH COUNTY WILL
EXPIRE AT 830 PM EDT...

HEAVY RAIN HAS MOVED OUT OF THE AREA. HOWEVER...SOME SMALL STREAMS
ARE STILL RISING, BUT ARE EXPECTED TO CREST BELOW LEVELS THAT MIGHT
CAUSE FLOODING PROBLEMS. THE FLASH FLOOD WARNING ISSUED EARLIER WILL
THEREFORE BE ALLOWED TO EXPIRE.

LAT...LON 4034 7393 4032 7397 4029 7397 4028 7398
      4021 7427 4024 7431 4039 7409 4042 7402
      4041 7398 4043 7398

$$

JJM

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 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, 5:14 PM EDTFlash Flood WarningPHICumberland4 hr
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.