Alert archive / New York / Flash Flood Warnings in 1992

Flash Flood Warning 25, NWS New York, NY

September 3, 1992Westchester County, New York

NWS New York, NY issued this flash flood warning at Sep 3, 1992, 7:33 PM EDT for Westchester County, New York. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Sep 3, 1992, 7:33 PM EDT (23:33 UTC)
Expired
Sep 3, 1992, 9:30 PM EDT
In force
117 min
Issued by
NWS New York, NY
Area
Whole counties

County Westchester County, NY

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 11.6 hours before the alert went out and 171 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, Albany, NY at 12:00Z on 1992-09-03Temperature 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, Albany, NY at 12:00Z on 1992-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
255 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 032333
FFWNYC
NYC119-040130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
733 PM EDT THU SEP 3 1992
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  930 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...WESTCHESTER COUNTY
 
HEAVY RAINS CONTINUE TO FALL ACROSS WESTCHESTER COUNTY SINCE 530 PM.
RAIN GAGES AND SPOTTER REPORTS INDICATE THAT BETWEEN TWO AND THREE
INCHES OF RAIN HAVE FALLEN SINCE THIS TIME. WESTCHESTER COUNTY POLICE
AND WEATHER SPOTTERS HAVE REPORTED FLOODING ALONG THE SAW MILL RIVER
...THE BRONX RIVER PARKWAYS...AND OTHER ROADWAYS IN WESTCHESTER
COUNTY. SOME ROADS ARE CLOSED IN YONKERS DUE TO SEVERAL FEET OF WATER
ON THE ROADWAYS.
 
HEAVY RAINS WILL CONTINUE FOR THE NEXT FEW HOURS...MOTORISTS SHOULD
AVOID THESE AREAS AND ALLOW THEMSELVES EXTRA TIME IN THEIR EVENING
COMMUTE.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THdE 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.
 
 
CAROPOLO

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, Sep 3, 6:22 PM EDT, 1 hour 11 minutes before
NYZ014-015-023-024-NJZ001-015-032330-

SPECIAL WEATHER STATEMENT - THUNDERSTORMS WITH HEAVY RAIN
NATIONAL WEATHER SERVICE NEW YORK NY
620 PM EDT THU SEP 03 1992

...LOCALIZED FLOODING FROM HEAVY RAINS ACROSS NORTHERN NEW JERSEY AND
SOUTHEASTERN NEW YORK...

SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS NORTHERN NEW JERSEY...
AND SOUTHEASTERN NEW YORK THIS EVENING. SOME OF THESE STORMS WERE
DUMPING CLOSE TO AN INCH OF RAIN IN LESS THAN AN HOUR WITH SOME
ISOLATED REPORTS OF ONE TO TWO INCHES ACROSS PASSAIC AND BERGEN
COUNTIES.

WITH THESE HEAVY DOWNPOURS FLOODING HAS BEEN REPORTED ACROSS PORTIONS
OF MORRIS...PASSAIC...BERGEN AND HUDSON COUNTIES IN NEW JERSEY AND
ROCKLAND AND WESTCHESTER COUNTIES IN NEW YORK. FLOODING OF URBAN AND
POOR DRAINAGE AREAS IS POSSIBLE AS THESE HEAVY RAIN CELLS MOVE ACROSS
THE REGION DURING THE NEXT FEW HOURS. MOTORISTS SHOULD ALLOW
THEMSELVES EXTRA TIME IN THEIR COMMUTE AND SHOULD AVOID AREAS THAT ARE
PRONE TO FLOODING.

AT 615 THIS EVENING THE WEATHER RADAR WAS SHOWING SHOWERS AND
THUNDERSTORMS ACROSS MOST OF NEW JERSEY AND SOUTHEASTERN NEW YORK. THE
HEAVIEST RAIN CELLS WERE LOCATED IN PASSAIC AND BERGEN COUNTIES IN NEW
JERSEY AND WILL BE MOVING INTO ROCKLAND AND WESTCHESTER COUNTIES IN
NEW YORK BY 645 THIS EVENING. THESE SHOWERS AND THUNDERSTORMS WERE
MOVING TO THE EAST NORTHEAST AT 35 MILES AND HOUR. RESIDENTS IN THESE
COUNTIES CAN EXPECT ABOUT AN INCH OR SO OF RAIN IN LESS THAN AN HOUR
AS T*HESE STORMS MOVE THROUGH THE REGION. RESIDENTS IN PUTNAM COUNTY
CAN EXPECT THESE HEAVY RAIN CELLS TO MOVE INTO THE SOUTHERN PORTION OF
THE COUNTY BY 700 THIS EVENING.

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

CAROPOLO
Special weather statement, Sep 3, 6:51 PM EDT, 42 minutes before
CTZ002-004-005-040030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
645 PM EDT THU SEP 3 1992

...THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING IN PARTS OF
SOUTHWEST CONNECTICUT THIS EVENING...

A LARGE AREA OF RAIN COVERED ALL OF FAIRFIELD AND NEW HAVEN COUNTIES AT
630 PM EDT.  IN ADDITION TO THE RAIN...SOME THUNDERSTORMS WERE
OCCURRING IN THE DANBURY...WATERBURY...AND STAMFORD AREAS.

SOME FLOODING OF URBAN AND AND POOR DRAINAGE AREAS IS POSSIBLE AS THE
THUNDERSTORMS MOVE TO THE NORTHEAST...ACROSS FAIRFIELD AND NEW HAVEN
COUNTIES.

MOTORISTS ARE URGED TO USE EXTREME CAUTION AS VISIBILITIES CAN BE
SHARPLY REDUCED IN THESE THUNDERSTORMS...ALONG WITH PONDING OF WATER
ON ROADWAYS.
BINGHAM
Special weather statement, Sep 3, 7:12 PM EDT, 21 minutes before
NYZ014-024-NJZ001-015-040030-

SPECIAL WEATHER STATEMENT - THUNDERSTORMS WITH HEAVY RAIN
NATIONAL WEATHER SERVICE NEW YORK NY
710 PM EDT THU SEP 03 1992

...LOCALIZED FLOODING FROM HEAVY RAINS ACROSS NORTHERN NEW JERSEY AND
SOUTHEASTERN NEW YORK...

HEAVY RAINS CONTINUE TO FALL ACROSS PORTIONS OF MORRIS...PASSAIC...
AND BERGEN COUNTIES IN NORTHERN NEW JERSEY AND ACROSS ROCKLAND AND
WESTCHESTER COUNTIES IN NEW YORK.

BETWEEN 6 PM AND 7 PM THIS EVENING RAIN GAGES AND SPOTTER REPORTS IN
THESE COUNTIES HAVE REPORTED BETWEEN ONE AND TWO INCHES OF RAIN.
FLOODING HAS BEEN REPORTED IN THESE COUNTIES IN URBAN AND POOR
DRAINAGE AREAS...MOTORISTS SHOULD USE EXTREME CAUTION WHILE
DRIVING TONIGHT AND TO AVOID FLOOD PRONE AREAS...THE HEAVY RAINS WILL
LIKELY CAUSE PONDING OF WATER ON MOST ROADWAYS THROUGHOUT THESE
COUNTIES DURING THE NEXT FEW HOURS.

THE SHOWERS AND THUNDERSTORMS THAT ARE RESPONSIBLE FOR THE HEAVY RAINS
ARE MOVING ACROSS THE SAME AREAS AND IN SOME LOCALITIES THEY HAVE
RECEIVED MORE THAN 3 INCHES OF RAIN SINCE 4 PM. WIDESPREAD FLOODING IS
NOT EXPECTED THIS EVENING...BUT ISOLATED AMOUNTS OF TWO TO THREE
INCHES OF RAIN IS POSSIBLE.

RESIDENTS IN WESTCHESTER COUNTY SHOULD BE CONCERNED FOR FLOODING ALONG
THE SAW MILL RIVER AND BRONX RIVER PARKWAYS...RAIN GAGES AND SPOTTER
REPORTS IN THIS AREA INDICATE ALMOST TWO INCHES OF RAIN SINCE 615 THIS
EVENING.

AT 645 THIS EVENING THE WEATHER RADAR WAS SHOWING SHOWERS AND
THUNDERSTORMS ACROSS MOST OF NEW JERSEY AND SOUTHEASTERN NEW YORK. THE
HEAVIEST RAIN CELLS WERE LOCATED IN PASSAIC AND BERGEN COUNTIES IN NEW
JERSEY AND ROCKLAND AND WESTCHESTER COUNTIES IN NEW YORK. RESIDENTS IN
PUTNAM COUNTY CAN EXPECT THESE HEAVY RAIZN CELLS TO MOVE INTO THE
SOUTHERN PORTION OF THEIR COUNTY BY 715 THIS EVENING.

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

CAROPOLO

Nearby

Flash Flood Warnings in New York, 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.