Alert archive / New York / Flash Flood Warnings in 1996

Flash Flood Warning 9, NWS New York, NY

July 3, 1996Westchester County, New York; Bergen County, New Jersey

NWS New York, NY issued this flash flood warning at Jul 3, 1996, 10:42 AM EDT for Westchester County, New York; Bergen 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
Jul 3, 1996, 10:42 AM EDT (14:42 UTC)
Expired
Jul 3, 1996, 12:45 PM EDT
In force
2 hr
Issued by
NWS New York, NY
Area
Whole counties

Counties Bergen County, NJ, Westchester County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 2.7 hours before the alert went out and 91 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 1996-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 584 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 1996-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.19395878Sfc1 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
584 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNYC 031445
FFWNYC
NJC003-NYC119-031645-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1042 AM EDT WED JUL 3 1996
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NEW JERSEY
 
   ...NORTHEASTERN BERGEN COUNTY
 
 
IN SOUTHEAST NEW YORK
 
   ...CENTRAL AND SOUTHERN WESTCHESTER COUNTY
 
STRONG THUNDERSTORMS EXTENDING FROM PARAMUS...NEW JERSEY TO CENTRAL
WESTCHESTER COUNTY...NEW YORK WILL PRODUCE HEAVY DOWNPOURS RESULTING IN
THE FLOODING OF STREAMS AND LOW LYING AREAS.
 
STREAMS AFFECTED INCLUDE THE HACKENSACK RIVER...NJ...AND THE
SAWMILL...BRONX...AND HUTCHINSON RIVERS IN WESTCHESTER COUNTY...NY.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
EKH/GEO
&

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 3, 4:10 PM EDTFlash Flood WarningOKXQueens2 hr
Jul 3, 4:35 PM EDTFlash Flood WarningOKXNassau115 min
Jul 3, 4:35 PM EDTFlash Flood WarningOKXRockland115 min
Jul 3, 7:19 PM EDTFlash Flood WarningOKXRichmond56 min
Jul 3, 3:54 PM EDTFlash Flood WarningOKXUnion96 min
Jul 3, 5:12 PM EDTFlash Flood WarningOKXBergen, Passaic2 hr
Jul 3, 5:18 PM EDTFlash Flood WarningOKXUnion117 min
Jul 3, 5:36 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic69 min

Nearby

Flash Flood Warnings in New York, 1996Flash 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.