Alert archive / New York / Flash Flood Warnings in 1992

Flash Flood Warning 49, NWS New York, NY

December 11, 1992Richmond County, New York

NWS New York, NY issued this flash flood warning at Dec 11, 1992, 5:50 PM EST for Richmond County, New York. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 1992, 5:50 PM EST (22:50 UTC)
Expired
Dec 11, 1992, 9:30 PM EST
In force
4 hr
Issued by
NWS New York, NY
Area
Whole counties

County Richmond County, NY

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 10.8 hours before the alert went out and 129 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, Atlantic City In, NJ at 12:00Z on 1992-12-11Temperature 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, Atlantic City In, NJ at 12:00Z on 1992-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
659 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
57 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 112251
FFWNYC
NJC025-003-013-017-023-031-039-NYC005-047-059-061-081-085-103-119-
120230-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
550 PM EST FRI DEC 11 1992

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS EXTENDED THE FLOOD
WARNING FOR SMALL STREAMS AND URBAN AREAS UNTIL 930 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL NEW JERSEY

   ...MONMOUTH COUNTY

IN NORTHEAST NEW JERSEY

   ...BERGEN COUNTY...ESSEX COUNTY...HUDSON COUNTY
   ...MIDDLESEX COUNTY...SOUTHEASTERN PASSAIC COUNTY...UNION COUNTY

IN SOUTHEAST NEW YORK
   ...BRONX COUNTY...KINGS COUNTY...NASSAU COUNTY
   ...NEW YORK COUNTY...QUEENS COUNTY...RICHMOND COUNTY...SUFFOLK COUNTY
   ...SOUTHERN WESTCHESTER COUNTY

THUNDERSTORMS HAVE INTENSIFIED THE RAIN ACROSS THE WARNED AREA ONCE
AGAIN WITH 2 TO 3 INCHES FALLING ACROSS THE WARNED AREA AND LOCALLY
HIGHER AMOUNTS REACHING CLOSE TO 4 INCHES.

NATIONAL WEATHER SERVICE RADARS IN NEW YORK CITY AND ATLANTIC CITY
CONTINUED TO SHOW BANDS OF MODERATE TO HEAVY RAIN FORMING OVER THE
NEARBY ATLANTIC AND HEADING NORTHWEST INTO THE WARNED AREA AT ABOUT
25 MILES AN HOUR.  SOME STREAMS AND RIVERS WITHIN THE WARNED AREA
ARE STILL ABOVE BANKFULL AND THIS NEW ROUND OF HEAVY RAIN WILL ONLY
EXACERBATE THE 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 IMMEDIATELY.  MOVE TO HIGHER GROUND.  DO NOT DRIVE
AROUND ROADBLOCKS SET UP BY YOUR LOCAL POLICE DEPARTMENT.
GIGI

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 11:07 AM ESTFlash Flood WarningOKXBronx, New York, Westchester4 hr
Dec 11, 11:07 AM ESTFlash Flood WarningOKXKings, Queens4 hr
Dec 11, 11:07 AM ESTFlash Flood WarningOKXRichmond4 hr
Dec 11, 11:07 AM ESTFlash Flood WarningOKXNassau, Suffolk4 hr
Dec 11, 3:00 PM ESTFlash Flood WarningOKXBronx, Westchester3 hr
Dec 11, 3:00 PM ESTFlash Flood WarningOKXNew York3 hr
Dec 11, 3:00 PM ESTFlash Flood WarningOKXKings, Nassau, Queens3 hr
Dec 11, 3:00 PM ESTFlash Flood WarningOKXRichmond3 hr
Dec 11, 3:00 PM ESTFlash Flood WarningOKXSuffolk3 hr
Dec 11, 5:50 PM ESTFlash Flood WarningOKXBronx, New York, Westchester4 hr
Dec 11, 5:50 PM ESTFlash Flood WarningOKXNassau, Suffolk4 hr
Dec 11, 5:50 PM ESTFlash Flood WarningOKXKings, Queens4 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.