Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 87, NWS Philadelphia/Mount Holly

September 17, 1996Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 17, 1996, 5:04 AM EDT for Mercer 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
Sep 17, 1996, 5:04 AM EDT (09:04 UTC)
Expired
Sep 17, 1996, 9:05 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Mercer County, NJ

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 9.1 hours before the alert went out and 168 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 1996-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 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 00:00Z on 1996-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897117Sfc1 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
67 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
93 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 170905
FFWPHL
NJC021-171305-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
504 AM EDT TUE SEP 17 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 905 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...MERCER COUNTY
 
.
AT 500 AM...THE STAGE AT TRENTON ON THE ASSUNPINK CREEK WAS 6.3 FEET.
FLOOD STAGE IS 7 FT. THE ASSUNPINK CREEK IS EXPECTED TO CONTINUE
RISING AND SHOULD CREST ABOVE FLOOD STAGE EARLY THIS MORNING.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA.

VERY HEAVY OVERNIGHT RAINS CAN CAUSE FLOODING OF POOR DRAINAGE AREAS
AND LOW LYING SPOTS IN A HURRY. BE ALERT FOR RAPIDLY CHANGING
CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO...THE VOICE OF THE NATIONAL WEATHER
SERVICE...OR TO COMMERCIAL RADIO OR TELEVISION STATIONS FOR THE
LATEST STORM INFORMATION.

RNS

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.