Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 42, NWS Philadelphia/Mount Holly

June 17, 1996Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 17, 1996, 5:20 PM EDT for Mercer County, New Jersey. It was in force for 110 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 17, 1996, 5:20 PM EDT (21:20 UTC)
Expired
Jun 17, 1996, 7:10 PM EDT
In force
110 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Mercer County, NJ

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.3 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 1996-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
60 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1448 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
28 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 172120
FFWPHL
NJC021-172310-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
520 PM EDT MON JUN 17 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 710 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...MERCER COUNTY
 
AT 515 PM WEATHER SERVICE RADAR INDICATED VERY HEAVY THUNDERSTORMS
OVER MERCER COUNTY.  RADAR ESTIMATES OF PRECIPITATION INDICATE AS
MUCH AS TWO INCHES OF RAIN HAS FALLEN OVER SOUTHERN MERCER COUNTY...
AND ADDITIONAL HEAVY RAIN IS LIKELY DURING THE NEXT HOUR OR SO.
PERSONS ALONG THE ASSUNPINK CREEK AND NEARBY STREAMS SHOULD WATCH
CAREFULLY FOR RISING WATERS AND POSSIBLE FLOODING CONDITIONS.
 
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.

AMC/CHJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 1:58 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean47 min
Jun 17, 3:37 PM EDTSevere Thunderstorm WarningPHIOcean43 min
Jun 17, 7:07 PM EDTSevere Thunderstorm WarningPHIGloucester48 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.