Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 70, NWS Philadelphia/Mount Holly

August 16, 1996Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 16, 1996, 8:32 PM EDT for Burlington County, New Jersey. It was in force for 4 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
Aug 16, 1996, 8:32 PM EDT (00:32 UTC)
Expired
Aug 17, 1996, 12:30 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 00:43 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 00:00Z, 0.5 hours before the alert went out and 188 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 00:00Z on 1996-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 91 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, Brookhaven, NY at 00:00Z on 1996-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
91 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
26 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 170032
FFWPHL
NJC005-170430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
832 PM EDT FRI AUG 16 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...NORTHWESTERN BURLINGTON COUNTY
 
THUNDERSTORMS WITH EXTREMELY HEAVY RAIN BEGAN TO AFFECT THE NORTHERN
AND WESTERN PARTS OF BURLINGTON COUNTY BETWEEN 600 AND 700 PM.  BY
800 PM...MANY LOCATIONS IN THE NORTHERN AND WESTERN PARTS OF THE
COUNTY HAD RECEIVED OVER 2 1/2 INCHES OF RAIN.  THE HEAVY RAIN HAS
RESULTED IN WIDESPREAD FLOODING OF ROADWAYS AND IN AREAS OF POOR
DRAINAGE.  THE HEAVIEST RAIN HAS FALLEN IN MOUNT LAUREL...MOUNT
HOLLY...WRIGHTSTOWN AND SURROUNDING COMMUNITIES.

EVEN THOUGH THE HEAVIEST OF THE RAIN WILL END BY ABOUT 900 PM...
RUNOFF WILL LIKELY CONTINUE TO CAUSE FLOODING PROBLEMS IN THE COUNTY
PAST MIDNIGHT.  AS A RESULT...THE FLASH FLOOD WARNING FOR NORTHERN
AND WESTERN BURLINGTON COUNTY HAS BEEN EXTENDED TO 1230 AM ON
SATURDAY.

ALSO...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM.

IF YOU ARE IN THE PATH OF THIS STORM AND IN AN AREA PRONE TO
FLOODING...BE ALERT TO MOVE TO HIGHER GROUND.  VERY HEAVY RAIN FROM
THUNDERSTORMS WILL QUICKLY CAUSE FLOODING IN AREAS OF POOR DRAINAGE
AND IN LOW LYING SPOTS.  BE ALERT FOR RAPIDLY CHANGING CONDITIONS.

STAY TUNEfD TO NOAA WEATHER RADIO...THE VOICE OF THE NATIONAL WEATHER
SERVICE...FOR THE LATEST STORM INFORMATION.

WN/DI
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:38 PM EDTSevere Thunderstorm WarningPHICamden47 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.