Alert archive / New Jersey / Flash Flood Warnings in 1994

Flash Flood Warning 6, NWS Philadelphia/Mount Holly

July 14, 1994Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 14, 1994, 7:14 PM EDT for Gloucester County, Salem County, New Jersey. It was in force for 91 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1994, 7:14 PM EDT (23:14 UTC)
Expired
Jul 14, 1994, 8:45 PM EDT
In force
91 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Gloucester County, NJ, Salem County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 11.2 hours before the alert went out and 68 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, Atlantic City In, NJ at 12:00Z on 1994-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 651 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, Atlantic City In, NJ at 12:00Z on 1994-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
651 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
75 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 142319
FFWPHL
NJC015-033-150045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
714 PM EDT THU JUL 14 1994
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH NEW JERSEY
 
   ...GLOUCESTER COUNTY...SALEM COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING THUNDERSTORMS
WITH TORRENTIAL DOWNPOURS MOVING OVER SALEM AND GLOUCESTER COUNTIES.
THUNDERSTORMS HAVE HAD A HISTORY OF PRODUCING UP TO THREE INCHES OF
RAIN WITHIN AN HOUR...CAUSING MAJOR ROADWAY FLOODING.
 
IF YOU ARE IN THE WARNED COUNTY IN AN AREA SUBJECT TO FLOODING
MOVE TO HIGHER GROUND.  DO NOT DRIVE THROUGH FLOOD WATERS.
CLIMBING ATOP YOUR STALLED VEHICLE WILL NOT PREVENT YOU FROM
BEING SWEPT INTO DANGEROUS STREAM CONDITIONS AS WATER LEVELS RISE.
 
NEVER NEVER DRIVE THROUGH FLOODED ROADWAYS...IT CAN COST YOU YOUR
LIFE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 6:05 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden55 min
Jul 14, 6:49 PM EDTFlash Flood WarningPHIBurlington, Camden116 min
Jul 14, 6:58 PM EDTSevere Thunderstorm WarningPHICamden62 min

Nearby

Flash Flood Warnings in New Jersey, 1994Every flash flood warning in 1994

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.