Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 40, NWS Philadelphia/Mount Holly

June 14, 1996Hunterdon County, Mercer County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 14, 1996, 6:11 PM EDT for Hunterdon County, Mercer County, Somerset County, New Jersey. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 14, 1996, 6:11 PM EDT (22:11 UTC)
Expired
Jun 14, 1996, 8:10 PM EDT
In force
119 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Hunterdon County, NJ, Mercer County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 22:13 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.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.2 hours before the alert went out and 161 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
2 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1476 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 142209
FFWPHL
NJC019-021-035-150010-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
611 PM EDT FRI JUN 14 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 810 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...SOUTHERN HUNTERDON COUNTY
   ...SOUTHERN SOMERSET COUNTY
   ...MERCER COUNTY
 
AT 605 PM...RADAR SHOWED THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL
FROM HUNTERDON COUNTY SOUTHEAST TO MERCER COUNTY.  THEY WERE MOVING
SOUTHEAST AT 25 MPH.

THUNDERSTORMS HAVE BEEN FORMING IN HUNTERDON COUNTY AND MOVING
SOUTHEAST ACROSS SOUTHERN SOMERSET AND MERCER COUNTIES SINCE 430 PM.
THIS TRAINING EFFECT WILL CONTINUE FOR THE NEXT COUPLE OF HOURS.

RADAR HAS BEEN ESTIMATING UP TO ONE AND ONE-HALF INCHES OF RAIN PER
HOUR WITH THESE STORMS.
 
DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE WATER MAY BE
DEEPER THAN YOU THINK. RAPIDLY RISING WATERS CAN QUICKLY ENGULF
YOUR VEHICLE AND ITS OCCUPANTS...WASHING THEM AWAY. REMEMBER...
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

IF YOU ARE IN AN AREA PRONE TO FLOODING...MOVE TO HIGHER GROUND
IMMEDIATELY...BEFORE YOUR ACCESS IS CUT OFF BY RISING FLOOD WATERS.
IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND QUICKLY.
RAPIDLY RISING WATER MAY ENGULF THE CAR AND SWEEP IT AWAY.

FRANKLIN/JONES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 3:53 PM EDTSevere Thunderstorm WarningPHISomerset32 min
Jun 14, 4:00 PM EDTSevere Thunderstorm WarningPHIHunterdon50 min
Jun 14, 4:44 PM EDTSevere Thunderstorm WarningPHIMercer, Somerset46 min
Jun 14, 4:56 PM EDTSevere Thunderstorm WarningPHIMiddlesex49 min
Jun 14, 5:26 PM EDTSevere Thunderstorm WarningPHIMercer, Monmouth34 min

Nearby

Flash Flood Warnings in New Jersey, 1996Every flash flood warning in 1996

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.