Alert archive / New Jersey / Flash Flood Warnings in 2016

Flash Flood Warning 9, NWS Philadelphia/Mount Holly

June 28, 2016Hunterdon County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 28, 2016, 8:16 PM EDT for Hunterdon County, Warren County, New Jersey. It was in force for 4 hr. 1 report 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
Jun 28, 2016, 8:16 PM EDT (00:16 UTC)
Expired
Jun 29, 2016, 12:15 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Hunterdon County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 00:16 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
Jun 28, 8:16 PM EDTFLASH FLOODWashington, NJWEST WASHINGTON AVE AND WEST JOHNSTON AVE FLOODED WITH PORTIONS OF THE PAVEMENT WASHED AWAY.

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, 0.3 hours before the alert went out and 179 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 2016-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 166 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 2016-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
166 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

714 
WGUS51 KPHI 290016
FFWPHI
NJC019-041-290415-
/O.NEW.KPHI.FF.W.0009.160629T0016Z-160629T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
816 PM EDT TUE JUN 28 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTH CENTRAL HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...

* UNTIL 1215 AM EDT
    
* AT 814 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WASHINGTON...OXFORD...ALPHA...GLEN GARDNER...HAMPTON...
  BLOOMSBURY...BRASS CASTLE...PLEASANT VALLEY AND PHILLIPSBURG.

REPORTS OF ROAD FLOODING AND UP TO 2.5 INCHES OF RAIN HAVE ALREADY
BEEN RECEIVED. MORE THUNDERSTORMS ARE MOVING INTO THE AREA AND
ADDITIONAL RAINFALL IS EXPECTED.

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 4074 7484 4064 7514 4071 7518 4083 7492

$$

AMC
1 follow-up statement
992 
WGUS71 KPHI 290312
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1112 PM EDT TUE JUN 28 2016

NJC019-041-290321-
/O.CAN.KPHI.FF.W.0009.000000T0000Z-160629T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-HUNTERDON NJ-
1112 PM EDT TUE JUN 28 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN WARREN AND NORTH CENTRAL
HUNTERDON COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED ACROSS THE AREA. FLOOD WATERS HAVE
RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR
PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 4074 7484 4064 7514 4071 7518 4083 7492

$$

MEOLA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:51 PM EDTSpecial Weather StatementPHIHunterdon, Somerset54 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.