Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 39, NWS Philadelphia/Mount Holly

June 13, 1996Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 13, 1996, 3:55 PM EDT for Mercer County, New Jersey. It was in force for 3 hr. 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 13, 1996, 3:55 PM EDT (19:55 UTC)
Expired
Jun 13, 1996, 6:55 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Mercer County, NJ

The radar

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 150 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 1996-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1996-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
43 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 131956 COR
FFWPHL
NJC021-132255-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING FOR SMALL STREAMS AND URBAN AREAS...CORRECTED
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
355 PM EDT THU JUN 13 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  655 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...SOUTHERN MERCER COUNTY

AT 355 PM EDT DOPPLER RADAR INDICATED HEAVY THUNDERSTORMS WITH HEAVY
RAINS OVER SOUTHERN MERCER COUNTY...MAINLY SOUTH OF ASSUNPINK CREEK.
RADAR ALSO INDICATED RAINFALL AMOUNTS AROUND AN INCH IN THIS AREA OVER
THIS AREA. THESE THUNDERSTORMS ARE MOVING TOWARD THE NORTHEAST AT 10
MPH. MORE THUNDERSTORMS MAY REFORM IN THIS SAME AREA OVER THE NEXT
SEVERAL HOURS.

THIS IS THE SAME AREA THAT RECEIVED UP TO 7 INCHES OF RAIN YESTERDAY.

DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS.  THE DEPTH OF THE
WATER MAY BE HIGHER 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.

AVOID AREAS WHICH ARE ALREADY FLOODED.  IF YOU COME ACROSS A
FLOODED STREAM...WHERE THE WATER IS ABOVE YOUR ANKLES...STOP.
DO NOT ATTEMPT TO CROSS THE STREAM BECAUSE ITS FLOW MAY BE
STRONGER THAN YOU THINK.  YOU COULD BE WASHED AWAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 9:50 PM EDTFlash Flood WarningPHIMercer4 hr
Jun 12, 10:45 PM EDTFlash Flood WarningPHIMercer5 hr
Jun 13, 4:15 AM EDTFlash Flood WarningPHIMercer4 hr

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.