Alert archive / New York / Flash Flood Warnings in 1992

Flash Flood Warning 11, NWS Buffalo, NY

December 31, 1992Cattaraugus County, New York

NWS Buffalo, NY issued this flash flood warning at Dec 31, 1992, 9:10 AM EST for Cattaraugus County, New York. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 31, 1992, 9:10 AM EST (14:10 UTC)
Expired
Dec 31, 1992, 1:00 PM EST
In force
4 hr
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.2 hours before the alert went out and 76 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, Buffalo Intl Airport, NY at 12:00Z on 1992-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1992-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 km3 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
9 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
95 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 KBUF 311339
FFWBUF
NYC009-311800-

BULLETIN  EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
910 AM EST THU DEC 31 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR

CATTARAUGUS COUNTY

RAINFALL IN EXCESS OF 1 INCH HAS FALLEN ACROSS MUCH OF WESTERN NEW YORK
OVER THE PAST 24 HOURS INCLUDING 1.03 INCHES AT OLEAN AND 1.31 INCHES AT
SALAMANCA.

THE RAINFALL IS SUFFICIENT TO CAUSE THE ALLEGHENY RIVER TO EXCEED
FLOOD STAGE OF 10 FEET AT OLEAN LATE THIS AFTERNOON OR EVENING.  THE
RIVER IS ALSO EXPECTED TO PEAK AROUND THE FLOOD STAGE OF 12 FEET AT
SALAMANCA LATE TODAY OR THIS EVENING.

DIKES PROTECT BOTH CITIES WELL ABOVE THE FLOOD STAGES...BUT SOME LOWLAND
FLOODING IS POSSIBLE IN AREAS UNPROTECTED BY THE DIKES.

LAST NIGHTS RAINFALL IS ALSO ENOUGH TO CAUSE SOME PROBLEMS IN LOW SPOTS
AND AREAS WITH A HISTORY OF POOR DRAINAGE ACROSS OUR REGION.

SOME ADDED RAIN IS EXPECTED ACROSS THE AREA THROUGH THE MORNING...BUT
LITTLE IF ANY ADDITIONAL MOISTURE IS FORECAST FOR THE AFTERNOON.

A FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED.
TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

DUNHAM

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.