Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 101, NWS Philadelphia/Mount Holly

October 19, 1996Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Oct 19, 1996, 2:13 PM EDT for Somerset 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
Oct 19, 1996, 2:13 PM EDT (18:13 UTC)
Expired
Oct 19, 1996, 6:15 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 18:13 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, 6.2 hours before the alert went out and 151 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 1996-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 329 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
329 m²/s²
0-3 km storm-relative helicity
400 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 191814
FFWPHL
NJC035-192215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
213 PM EDT SAT OCT 19 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...SOMERSET COUNTY
 
EMERGENCY MANAGERS REPORT FLOODING ALONG MANY SMALL STREAMS IN
SOMERSET COUNTY INCLUDING THE STONEY BROOK...PETERS BROOK AND GREEN
BROOK. RAINFALL THROUGHOUT THE COUNTY WAS 3 TO 5 INCHES.

ALSO A FLOOD WARNING CONTINUES FOR THE RARITAN RIVER AND ITS MAIN
TRIBUTARIES.

VERY HEAVY 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 9:02 AM EDTFlash Flood WarningPHICamden3 hr
Oct 19, 9:11 AM EDTFlash Flood WarningPHIMercer4 hr
Oct 19, 12:05 PM EDTFlash Flood WarningPHICamden3 hr
Oct 19, 1:00 PM EDTFlash Flood WarningPHIMercer11 hr
Oct 19, 1:00 PM EDTFlash Flood WarningPHIMercer2 hr
Oct 19, 5:55 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren5 hr
Oct 19, 5:55 PM EDTFlash Flood WarningPHIMiddlesex, Somerset5 hr
Oct 19, 7:00 PM EDTFlash Flood WarningPHIMercer5 hr

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.