Alert archive / New Jersey / Flash Flood Warnings in 1992

Flash Flood Warning 10, NWS Philadelphia/Mount Holly

December 11, 1992Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Dec 11, 1992, 5:41 AM EST for Mercer County, New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 1992, 5:41 AM EST (10:41 UTC)
Expired
Dec 11, 1992, 10:00 AM EST
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Mercer County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 00:00Z, 10.7 hours before the alert went out and 94 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 00:00Z on 1992-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 00:00Z on 1992-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.19395878Sfc1 km3 km6 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
0 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
538 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 111043
FFWPHL
NJC021-111445-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
541 AM EST FRI DEC 11 1992
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  945 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL NEW JERSEY
 
   ...MERCER COUNTY
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR THE
ASSUNPINK CREEK IN MERCER COUNTY.
 
RAINFALL THIS MORNING ACROSS SOUTHERN NEW JERSEY AND SOUTHEAST
PENNSYLVANIA HAS AVERAGED A GOOD TWO INCHES WITH MORE THIS
MORNING. AN ADDITIONAL INCH OR TWO IS POSSISBLE IN AND AROUND
MERCER COUNTY WHICH WILL CAUSE THE ASSUNPINK TO APPROACH THEN
EXCEDE FLOOD STAGE BEFORE 630 THIS MORNING.
 
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 C^ONDITIONS AS WATER LEVELS RISE.
 
EBERWINE

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 4:08 AM ESTFlash Flood WarningPHICamden3 hr
Dec 11, 10:17 AM ESTFlash Flood WarningPHIBurlington8 hr

Nearby

Flash Flood Warnings in New Jersey, 1992Every flash flood warning in 1992

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.