Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 20, NWS New York, NY

July 8, 1996Bergen County, Passaic County, New Jersey; Rockland County, New York

NWS New York, NY issued this flash flood warning at Jul 8, 1996, 10:16 PM EDT for Bergen County, Passaic County, New Jersey; Rockland County, New York. It was in force for 3 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 8, 1996, 10:16 PM EDT (02:16 UTC)
Expired
Jul 9, 1996, 1:15 AM EDT
In force
3 hr
Issued by
NWS New York, NY
Area
Whole counties

Counties Bergen County, NJ, Passaic County, NJ, Rockland County, NY

The radar

The Brookhaven radar (KOKX), 108 km from the middle of the area, began a volume at 02:17 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, 2.3 hours before the alert went out and 108 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 1996-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 352 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 1996-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
352 J/kg
Mixed-layer CIN
-268 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNYC 090218
FFWNYC
NJC003-031-NYC087-090515-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1016 PM EDT MON JUL 8 1996
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 AM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NEW JERSEY
 
   ...NORTHERN BERGEN COUNTY...CENTRAL PASSAIC COUNTY
 
 
IN SOUTHEAST NEW YORK
 
   ...ROCKLAND COUNTY
 
SHOWERS AND THUNDERSTORMS CONTINUE TO PRODUCE HEAVY RAIN UP TO TWO
INCHES AN HOUR ACROSS THE AREA. FLOODING OF LOW LYING AND POOR DRAINAGE
AREAS AS WELL AS SMALL STREAMS WILL CONTINUE THROUGH MIDNIGHT.
 
 
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.
 
 
RILEY/TONGUE

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 8, 5:15 PM EDT, 5 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
514 PM EDT MON JUL 08 1996

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0250 PM    PORT JERVIS               NY   WIND DAMAGE
07/08/96   ORANGE                         TREES DOWNED...BUILDING
                                          COLLAPSES AT JERSEY ST AND
                                          FRONT ST

0418 PM    HARRIMAN                  NY   .75 INCH HAIL
07/08/96   ORANGE                         2-3 MI S OF HARRIMAN

0440 PM    STONY PT                  NY   1 INCH HAIL
07/08/96   ROCKLAND                       SCATTERED POWER OUTAGES AS
                  B                        WELL

0455 PM    POMONA                    NY   .75 INCH HAIL
07/08/96   ROCKLAND

REYNOLDS
Local storm report, Jul 8, 5:24 PM EDT, 4 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
524 PM EDT MON JUL 08 1996

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0519 PM R   OSSINING                  NY   WIND DAMAGE
07/08/96   WESTCHESTER                    PEAK GUST 75 MPH...TREES
                                          DOWNED

REYNOLDS
Special weather statement, Jul 8, 9:14 PM EDT, 1 hour 2 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-202000

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEAST NEW YORK...NORTHEAST NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
915 PM EDT MON JUL 8 1996

...THE SEVERE THUNDERSTORM WATCH ISSUED BY THE NATIONAL WEATHER SERVICE
HAS BEEN CANCELLED.

DJR/JST

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 11:56 PM EDTSevere Thunderstorm WarningOKXSuffolk49 min
Jul 9, 4:51 PM EDTSevere Thunderstorm WarningOKXOrange54 min
Jul 9, 6:22 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester53 min

Nearby

Flash Flood Warnings in New Jersey, 1996Flash Flood Warnings in New York, 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.