Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 28, NWS Philadelphia/Mount Holly

June 11, 1996Middlesex County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 11, 1996, 4:39 PM EDT for Middlesex County, New Jersey. It was in force for 2 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 11, 1996, 4:39 PM EDT (20:39 UTC)
Expired
Jun 11, 1996, 6:40 PM EDT
In force
2 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Middlesex County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 20:41 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

Brookhaven, NY (KOKX), launched 12:00Z, 8.7 hours before the alert went out and 139 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 12:00Z on 1996-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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, Brookhaven, NY at 12:00Z on 1996-06-11The 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
134 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
21 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 112039
FFWPHL
NJC023-112240-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
439 PM EDT TUE JUN 11 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLOOD WARNING EFFECTIVE UNTIL 640 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...NORTHERN MIDDLESEX COUNTY
 
THUNDERSTORMS ACROSS NORTHERN MIDDLESEX COUNTY AT 430 PM HAVE BEEN
PRODUCING RAINFALL ESTIMATED AT A RATE OF UP TO ONE AND ONE-HALF
INCHES PER HOUR.  THESE THUNDERSTORMS HAVE PERSISTED ACROSS MUCH OF
NORTHERN MIDDLESEX COUNTY FOR THE PAST HOUR AND ARE EXPECTED TO
CONTINUE ACROSS THE THE SAME AREA FOR THE NEXT HOUR OR SO.

ROUTE 1 AND 9 IN WOODBRIDGE IS ONE AREA SUSCEPTIBLE TO FLOODING.
 
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.

FRANKLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:05 PM EDTSevere Thunderstorm WarningPHIMiddlesex35 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.