Alert archive / New York / Flash Flood Warnings in 1996

Flash Flood Warning 49, NWS New York, NY

October 19, 1996Bronx County, New York County, New York

NWS New York, NY issued this flash flood warning at Oct 19, 1996, 11:20 AM EDT for Bronx County, New York County, New York. It was in force for 6 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, 11:20 AM EDT (15:20 UTC)
Expired
Oct 19, 1996, 5:15 PM EDT
In force
6 hr
Issued by
NWS New York, NY
Area
Whole counties

Counties Bronx County, NY, New York County, NY

The radar

The Brookhaven radar (KOKX), 91 km from the middle of the area, began a volume at 15:23 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, 3.3 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 1996-10-19Temperature 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°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 KNYC 191524
FFWNYC
NJC003-013-017-031-039-NYC005-047-061-081-085-192115-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING...FOR URBAN AND SMALL STREAM FLOODING
NATIONAL WEATHER SERVICE NEW YORK NY
1120 AM EDT SAT OCT 19 1996
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  515 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NEW JERSEY
 
   ...BERGEN COUNTY...ESSEX COUNTY...HUDSON COUNTY
   ...PASSAIC COUNTY...UNION COUNTY
 
 
IN SOUTHEAST NEW YORK
 
   ...BRONX COUNTY...KINGS COUNTY...NEW YORK COUNTY
   ...QUEENS COUNTY...RICHMOND COUNTY
 
NATIONAL WEATHER SERVICE (NWS) RADAR SHOWED A WIDE BAND OF HEAVY RAIN
...PRODUCING RAINFALL RATES UP TO 1/2 TO 1 INCH PER HOUR MOVING SLOWLY
NORTH ACROSS THE AREA. THE NWS ALREADY RECEIVED A SPOTTER REPORT FROM
PLAINFIELD/NJ OF 2.29 INCHES.
 
HEAVY RAIN WILL CONTINUE TO CAUSE WIDESPREAD STREET AND POOR DRAINAGE
FLOODING THROUGH THIS EVENING ACROSS THE WARNED AREA. TWO TO THREE
ADDITIONAL INCHES OF RAIN THROUGH THIS EVENING WILL ALSO CAUSE SMALL
STREAM FLOODING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
GC

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

Special weather statement, Oct 19, 10:12 AM EDT, 1 hour 8 minutes before
NYZ067>081-501-502-508-NJZ002>006-011-CTZ005>012-191500

SPECIAL WEATHER STATEMENT AND
WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...
NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
1013 AM EDT SAT OCT 19 1996

...THE NATIONAL WEATHER SERVICE HAS ISSUED THE FOLLOWING WARNINGS AND
WATCHES...

...A COASTAL FLOOD WARNING FOR SECTIONS OF EXTREME SOUTHEASTERN NEW
YORK...NORTHEAST NEW JERSEY AND SOUTHERN CONNECTICUT AT TIMES OF HIGH
TIDE THROUGH EARLY SUNDAY MORNING...
...A GALE WARNING FOR THE COASTAL WATERS...LONG ISLAND SOUND AND
NEW YORK HARBOR...
...A HIGH WIND WARNING FOR COASTAL SECTIONS OF SOUTHEASTERN NEW
YORK...NORTHEAST NEW JERSEY AND SOUTHERN CONNECTICUT LATE TODAY
THROUGH SUNDAY...
...A WIND ADVISORY FOR THE REMAINDER OF THE TRI-STATE AREA FOR LATER
TODAY THROUGH SUNDAY...
...A FLOOD WATCH FOR THE ENTIRE TRI-STATE AREA FOR LATER TODAY
THROUGH SUNDAY...

A LOW PRESSURE CENTER DEVELOPING OVER THE DELMARVA AREA THIS MORNING
WILL INTENSIFY RAPIDLY AS THE DAY PROGRESSES. THIS LOW PRESSURE
SYSTEM WILL CAUSE AN ARRAY OF PROBLEMS FOR RESIDENTS OF THE TRI-STATE
THIS WEEKEND. STRONG ONSHORE WINDS WILL DEVELOP AND LEAD TO COASTAL
FLOODING AS TIDES RISE IN RESPONSE TO WATER PILING UP ALONG THE
COAST.

HIGH TIDES THIS AFTERNOON WILL PRODUCE ANYWHERE FROM MINOR TO
MODERATE COASTAL FLOODING. TONIGHT HIGH TIDES WILL RANGE FROM 4 TO 5
FEET ABOVE NORMAL...PRODUCING WATER LEVELS ONLY ABOUT 2 FEET LESS
THAN THOSE PRODUCED BY THE GREAT DECEMBER NOREASTER OF '92. PLEASE
PREPARE FOR MODERATE TO MAJOR COASTAL FLOODING OVERNIGHT.

WIND SWEPT RAIN WILL ALSO CAUSE A VARIETY OF PROBLEMS. SMALL
STREAM...URBAN AND HIGHWAY FLOODING IS POSSIBLE FROM LATER TODAY
THROUGH SUNDAY MORNING WHEN THESE RAINS ARE EXPECTED TO BECOME HEAVY.
AT THIS TIME WE ARE LOOKING AT RAINFALL AMOUNTS BETWEEN 2 AND 5
INCHES ACROSS THE REGION BEFORE THE STORM FINALLY PULLS AWAY. THIS
COULD EVEN CAUSE SOME OF THE LARGER RIVERS ESPECIALLY IN THE PASSAIC
BASIN...WHICH INCLUDE THE SADDLE RIVER AT LODI AND THE RAMAPO RIVER
AT MAHWAH...TO GO OVER THEIR BANKS. LOW LYING ROADS AND PARKWAYS
ACROSS THE METROPOLITAN AREA WILL SEE SOME PONDING TOO.

THE HIGH WINDS SHOULD ALSO BE STRONG ENOUGH TO BRING DOWN LARGE LIMBS
WHICH IN TURN WILL DOWN SOME POWER LINES. THE STRONGEST WINDS ARE
EXPECTED TO OCCUR THIS EVENING THROUGH THE EARLY MORNING HOURS OF
SUNDAY. NEAR THE COAST...WINDS COULD REACH TO NEARLY 60 MPH AT TIMES
DURING THIS TIME FRAME. FURTHER INLAND THEY WILL NOT BE QUITE AS
STRONG BUT NEVER THE LESS WILL CAUSE PROBLEMS HERE AS WELL.

THIS LOW WILL BE A SLOW MOVER SO THE BULK OF THE WEEKEND IS EXPECTED
TO REMAIN WINDY AND RAINY. BEFORE |YOU ASK ABOUT GAME ONE OF THE WORLD
SERIES...A 90 PERCENT PROBABILITY OF A WASHOUT.

WOOLDRIDGE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 11:20 AM EDTFlash Flood WarningOKXRichmond6 hr
Oct 19, 11:20 AM EDTFlash Flood WarningOKXKings, Queens6 hr
Oct 19, 12:07 PM EDTFlash Flood WarningOKXOrange, Rockland, Westchester6 hr
Oct 19, 12:07 PM EDTFlash Flood WarningOKXSuffolk6 hr
Oct 19, 1:15 PM EDTFlash Flood WarningOKXSuffolk6 hr
Oct 19, 1:15 PM EDTFlash Flood WarningOKXPutnam6 hr
Oct 19, 4:40 PM EDTFlash Flood WarningOKXOrange, Putnam, Westchester4 hr
Oct 19, 4:40 PM EDTFlash Flood WarningOKXKings, Nassau, Queens4 hr
Oct 19, 4:40 PM EDTFlash Flood WarningOKXBronx, New York4 hr
Oct 19, 4:40 PM EDTFlash Flood WarningOKXRockland4 hr
Oct 19, 4:40 PM EDTFlash Flood WarningOKXRichmond4 hr
Oct 19, 7:20 PM EDTFlash Flood WarningOKXSuffolk115 min
Oct 19, 7:20 PM EDTFlash Flood WarningOKXSuffolk100 min

Nearby

Flash 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.