Alert archive / New York / Flash Flood Warnings in 1992

Flash Flood Warning 55, NWS New York, NY

December 12, 1992Westchester County, New York

NWS New York, NY issued this flash flood warning at Dec 12, 1992, 1:00 AM EST for Westchester County, New York. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 1992, 1:00 AM EST (06:00 UTC)
Expired
Dec 12, 1992, 5:00 AM EST
In force
4 hr
Issued by
NWS New York, NY
Area
Whole counties

County Westchester County, NY

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 6.0 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 00:00Z on 1992-12-12Temperature 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 00:00Z on 1992-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 669 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
0 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
669 m²/s²
0-3 km storm-relative helicity
1010 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 120600
FFWNYC
NYC119-121000-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
100 AM EST SAT DEC 12 1992

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS EXTENDED THE FLOOD
WARNING FOR SMALL STREAMS AND URBAN AREAS UNTIL 500 AM EST SATURDAY
MORNING FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTHEAST NEW YORK
   ...NORTHERN WESTCHESTER COUNTY

FLOODING CONTINUES ACROSS NORTHERN WESTCHESTER COUNTY WITH REPORTS
OF ROAD CLOSURES ON THE SAWMILL RIVER PARKWAY. THE FLOOD WATERS WILL
BE SLOW TO RECEDE OVERNIGHT HOURS AS DRAINAGE CHANNELS REMAIN FULL.

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 IMMEDIATELY.  MOVE TO HIGHER GROUND.  DO NOT DRIVE
AROUND ROADBLOCKS SET UP BY POLICE.

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, Dec 11, 10:32 PM EST, 2 hours 28 minutes before
NYZ014>017-023-024-NJZ001-005-007-015-120800-

SPECIAL WEATHER STATEMENT - ONE OF THE WORST COASTAL STORMS EVER
NATIONAL WEATHER SERVICE NEW YORK NY
1030 PM EST FRI DEC 11 1992

...COASTAL FLOOD WARNING TONIGHT AND SATURDAY MORNING...
...HIGH WIND WARNING TONIGHT INTO SATURDAY MORNING FOR THE IMMEDIATE
COAST INCLUDING NEW YORK CITY AND LONG ISLAND...
...HIGH WIND ADVISORY FOR NORTHEASTERN NEW JERSEY AND ROCKLAND AND
UPPER WESTCHESTER...
...WINTER STORM WARNING TONIGHT INTO SATURDAY FOR NORTHWESTERN NEW
JERSEY AND INTERIOR SOUTHEASTERN NEW YORK...
...WINTER WEATHER ADVISORY TONIGHT INTO SATURDAY OVER NEARBY NORTHERN
AND WESTERN SUBURBS...
...FLOOD WARNING TIL 1 AM SATURDAY MORNING FOR NORTHERN WESTCHESTER
COUNTY...
...STORM WARNING FOR MARINERS FOR COASTAL WATERS THROUGH TONIGHT...

RAIN AND HIGH WINDS HAVE BOMBARDED THE NEW YORK METROPOLITAN AREA THIS
FRIDAY AND FRIDAY NIGHT. MORE COASTAL FLOODING HAS ALSO OCCURRED
TONIGHT...ALTHOUGH FROM ALL REPORTS IT WAS NOT QUITE AS BAD AS IT WAS
THIS MORNING...ALTHOUGH ITS BAD ENOUGH. LOTS OF EVACUATIONS OCCURRED
EARLIER TODAY AND THIS EVENING...AND PLENTY OF DAMAGE AND SOME
INJURIES HAVE OCCURRED TODAY. THERE WAS AT LEAST ONE REPORT OF A
FATALITY IN NEW JERSEY ASSOCIATED WITH THIS STORM.

AT 10 PM...WINDS HAVE DECREASED SOMEWHAT FROM THE HIGHEST LEVELS OF
THIS MORNING AND MIDDAY. LAGUARDIA REPORTED THE HIGHEST WIND GUST FROM
THE AIRPORT STATIONS TODAY OF 77 MPH AT 1041 AM...BUT SOME PLACES
REPORTED UNOFFICIAL WIND GUSTS OF 80 MILES AN HOUR AT TOBAY BEACH ON
THE SOUTH SHORE OF LONG ISLAND AND ALSO AT NORTHPORT ON THE NORTH
SHORE. BUT BY THIS EVENING MOST PLACES WERE REPORTING SUSTAINED WINDS
OF 25 TO 35 MILES AN HOUR WITH HIGHER GUSTS.

THE LOW PRESSURE CENTER OVER THE MARYLAND COAST WAS WEAKENING JUST A
BIT...AND SHOWED INDICATIONS OF MOVING EASTWARD. WE DO EXPECT THAT
WINDS WILL CONTINUE TO BE QUITE STRONG ALONG THE IMMEDIATE COAST AND
OVER THE COASTAL WATERS...SO WE WILL CONTINUE THE HIGH WIND WARNING
FOR THESE LOCATIONS...BUT DROP BACK TO A HIGH WIND ADVISORY OVER
NORTHEASTERN NEW JERSEY AWAY FROM THE IMMEDIATE COAST AND ROCKLAND AND
UPPER WESTCHESTER COUNTIES.

THESE STOUT NORTHEAST WINDS WILL CONTINUE TO CREATE WELL ABOVE NORMAL
TIDES...AND THE HIGH TIDE CYCLE FOR SATURDAY MORNING WILL ALSO BE
QUITE DANGEROUS. TIDES ARE EXPECTED TO BE 2 TO 4 FEET...POSSIBLY AS
MUCH AS 5 FEET ABOVE NORMAL...WITH THE WORST FLOODING OCCURRING A
COUPLE OF HOURS BEFORE AND A COUPLE OF HOURS AFTER HIGH TIDE.
REMEMBER...SOME OF THE PROTECTION FROM THE OCEAN INCLUDING SEA WALLS
DUNES AND SHORE LINE HAVE BEEN ERODED WEAKENED AND COMPROMISED.

HIGH TIDE SATURDAY MORNING AT THE BATTERY IN NEW YORK CITY WILL BE AT
942 AM...AT PORT JEFFERSON AT 1235 PM...AT SHINNECOCK INLET ON LONG
ISLAND AT 815 AM...AND AT SANDY HOOK AT 906 AM.

WIDESPREAD RAIN TODAY DUMPED BETWEEN 2 AND 3 INCHES...WITH SOME PLACES
GETTING NEARLY 4 INCHES OF RAIN. THIS HAS SLACKED OFF A BIT...BUT WE
WILL CONTINUE TO GET OCCASIONAL RAIN TONIGHT INTO SATURDAY MORNING...
AND THE COLDER INLAND PLACES WILL CONTINUE TO GET OCCASIONAL FROZEN
PRECIPITATION.

WITH SERIOUS COASTAL FLOODING TONIGHT AND AGAIN SATURDAY MORNING...
ALL PERSONS ARE ADVISED TO FOLLOW THE DIRECTION OF EMERGENCY
MANAGEMENT AND POLICE AND EVACUATE WHEN TOLD SO. ALL PERSONS WHO DON/T
LIVE NEAR COASTAL AREAS ARE ADVISED TO AVOID DRIVING NEAR COASTAL
AREAS AND DO NOT DRIVE AROUND BARRICADES. NEVER DRIVE INTO FLOODFED
AREAS. MAKE SURE YOU KNOW THE WATER/S DEPTH BEFORE DRIVING INTO
WATER...AS WELL AS THE INTEGRITY OF THE ROAD SURFACE.

THE NEXT STATEMENT WILL BE ISSUED BY 1 AM SATURDAY MORNING.
Special weather statement, Dec 12, 1:00 AM EST, 0 minutes before
NYZ014>017-023-024-NJZ001-005-007-015-121100-

SPECIAL WEATHER STATEMENT - COASTAL STORM
NATIONAL WEATHER SERVICE NEW YORK NY
100 AM EST SAT DEC 12 1992

...COASTAL FLOOD WARNING TONIGHT AND SATURDAY MORNING...
...HIGH WIND WARNING TONIGHT AND SATURDAY MORNING FOR THE IMMEDIATE
COAST INCLUDING NEW YORK CITY AND LONG ISLAND...
...HIGH WIND ADVISORY FOR NORTHEASTERN NEW JERSEY AND ROCKLAND AND
UPPER WESTCHESTER TONIGHT AND SATURDAY MORNING...
...WINTER STORM WARNING TONIGHT INTO SATURDAY FOR NORTHWESTERN NEW
JERSEY AND INTERIOR SOUTHEASTERN NEW YORK...
...WINTER WEATHER ADVISORY TONIGHT INTO SATURDAY OVER NEARBY NORTHERN
AND WESTERN SUBURBS...
...FLOOD WARNING TIL 5 AM SATURDAY MORNING FOR NORTHERN WESTCHESTER
COUNTY...
...STORM WARNING FOR COASTAL WATERS TONIGHT INTO SATURDAY...

THE COASTAL STORM OF DECEMBER 11TH CONTINUES INTO THE 12TH...AS
COASTAL FLOODING PERSISTS AND PRECIPITATION LINGERS. THE LOW PRESSURE
STORM CENTER WAS ALONG THE EASTERN MARYLAND SHORE...AND THE LATEST
COMPUTER MODELS MOVE IT OFFSHORE AND OFF THE NEW JERSEY COAST DURING
SATURDAY AND SATURDAY NIGHT. STRONG WINDS WILL PERSIST OVER OUR
NORTHERN NEW JERSEY - SOUTHEASTERN NEW YORK REGION DURING THE NEXT 24
HOURS.

AT 1 AM...WINDS WERE STILL STRONG AT SOME PLACES. AT SHREWSBURY IN
MONMOUTH COUNTY NEW JERSEY IT WAS REPORTED BY MONMOUTH COUNTY
EMERGENCY MANAGEMENT OFFICIALS THAT A COUPLE OF TRANSFORMERS EXPLODED
DUE TO THE STRONG WINDS...AND THERE WERE ADDITIONAL POWER OUTAGES. AT
MIDNIGHT...WINDS AT LAGUARDIA WERE 33 MILES AN HOUR GUSTING TO 47 MPH.

AT 1 AM THE LOW TIDE CYCLE WAS UNDERWAY...AND WATERS WERE RECEDING IN
SOME COASTAL LOCATIONS FOR THE TIME BEING. HOWEVER...TIDES ARE
EXPECTED TO CONTINUE AT 2 TO 4 FEET POSSIBLY AS MUCH AS 5 FEET ABOVE
NORMAL FOR THE UPCOMING HIGH TIDES OF SATURDAY MORNING. REMEMBER...
SOME OF THE PROTECTION FROM THE OCEAN INCLUDING SEA WALLS DUNES AND
BEACHES HAVE BEEN ERODED WEAKENED AND COMPROMISED. HIGH TIDE SATURDAY
MORNING AT THE BATTERY IN NEW YORK CITY WILL BE AT 942 AM... AT PORT
JEFFERSON AT 1235 PM...AT SHINNECOCK INLET ON LONG ISLAND AT 815
AM...AT SANDY HOOK AT 906 AM...AND AT SEA BRIGHT AT 831 AM.

WITH SERIOUS COASTAL FLOODING TONIGHT AND AGAIN SATURDAY MORNING...
ALL PERSONS ARE ADVISED TO FOLLOW THE DIRECTION OF EMERGENCY
MANAGEMENT AND POLICE AND EVACUATE WHEN TOLD SO. ALL PERSONS WHO DON/T
LIVE NEAR COASTAL AREAS ARE ADVISED TO AVOID DRIVING NEAR COASTAL
AREAS AND DO NOT DRIVE AROUND BARRICADES. NEVER DRIVE INTO FLOODED
AREAS. MAKE SURE YOU KNOW THE WATER/S DEPTH BEFORE DRIVING INTO
WATER...AS WELL AS THE INTEGRITY OF THE ROAD SURFACE. FOR ESTUARIES
SUCH AS THE HUDSON...HACKENSACK...PASSAIC...AND RARITAN RIVERS...TIDAL
WATERS WILL BE BACKING UP INTO THESE RIVER SYSTEMS. SO AREA RESIDENTS
WILL LIKEWISE NEED TO RESPOND TO RISING WATER BY EVACUATING TO HIGHER
GROUND AS NEEDED AND AS EMERGENCY MANAGEMENT OFFICIALS DICTATE.

SOME ROAD CLOSURES WERE STILL OCCURRING ON THE SAW MILL RIVER PARKWAY
IN WESTCHESTER COUNTY SO A FLOOD WARNING WILL REMAIN IN EFFECT THERE
OVERNIGHT.

WINTER STORM WARNINGS CONTINUE FOR THE INTERIOR SECTIONS...MAINLY FOR
THE HIGHER ELEVATIONS...WHERE ADDITIONAL SNOW ACCUMULATIONS COULD BE A
COUPLE OF INCHES OVERNIGHT...WITH MORE POSSIBLE SATURDAY. TEMPERATURES
WILL PLAY A CRITICAL ROLE IN DETERMINING THE TYPE OF PRECIPITATION...
SO THERE COULD BE A MIX OF SNOW SLEET FREEZING RAIN AND RAIN UNTIL
COLDER AIR FLOWS SOUTHWARD DURING SATURDAY.

MORE PRECIPITATION IS LIKELY ACROSS OUR REGION OVERNIGHT AND
SATURDAY...WITH LOWER PRECIPITATION CHANCES SATURDAY NIGHT. SKIES
COULD PARTIALLY CLEAR SUNDAY WITH FAIR WEATHER EXPECTED FOR THE START
OF THE COMING WEEK.

THE NEXT STATEMENT WILL BE ISSUED BY 5 AM SATURDAY MORNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 10:07 PM ESTFlash Flood WarningOKXBronx, Westchester3 hr

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.