Alert archive / New York / Flash Flood Warnings in 1996

Flash Flood Warning 27, NWS Buffalo, NY

August 8, 1996Cattaraugus County, New York

NWS Buffalo, NY issued this flash flood warning at Aug 8, 1996, 2:39 PM EDT for Cattaraugus County, New York. It was in force for 81 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 8, 1996, 2:39 PM EDT (18:39 UTC)
Expired
Aug 8, 1996, 4:00 PM EDT
In force
81 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 18:39 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.7 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 1996-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1268 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 1996-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939Sfc1 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
1268 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBUF 081841 RRA
FFWBUF
NYC009-082000-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
239 PM EDT THU AUG 8 1996

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...CATTARAUGUS COUNTY
 
THUNDERSTORMS WITH VERY HEAVY RAIN COVERED MUCH OF WESTERN CATTARAUGUS
COUNTY AT 230 PM. THE STRONGEST STORMS WERE NEAR THE TOWNS OF
CATTARAUGUS AND NEW ALBION. BUFFALO DOPPLER RADAR INDICATED RAINFALL
RATES OF ONE TO TWO INCHES PER HOUR WITH THESE STORMS. THEY WERE
MOVING SLOWLY EASTWARD AT 20 MILES AN HOUR AND WILL AFFECT A LARGE
PORTION OF THE COUNTY THROUGH 4 PM. DUE TO THE SLOW MOVEMENT OF
THE STORMS...RAINFALL OF THREE INCHES IS POSSIBLE IN SOME AREAS.
THIS WOULD CAUSE SIGNIFICANT FLOODING OF SMALL STREAMS. OTHER
STRONG STORMS WILL MOVE ALONG THE BORDER WITH PENNSYLVANIA THROUGH 4 PM.
 
IF FLOODING IS OBSERVED...AvCT QUICKLY.  MOVE TO ESCAPE FLOOD WATERS.
DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

MCLAUGHLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:23 AM EDTFlash Flood WarningBUFMonroe, Orleans2 hr
Aug 8, 8:23 AM EDTFlash Flood WarningBUFWayne2 hr
Aug 8, 10:34 AM EDTFlash Flood WarningBUFMonroe, Orleans2 hr
Aug 8, 10:34 AM EDTFlash Flood WarningBUFWayne2 hr
Aug 8, 12:35 PM EDTSevere Thunderstorm WarningBUFChautauqua55 min
Aug 8, 1:33 PM EDTSevere Thunderstorm WarningBUFChautauqua57 min
Aug 8, 4:25 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans75 min
Aug 8, 5:03 PM EDTTornado WarningBUFNiagara57 min
Aug 8, 5:12 PM EDTFlash Flood WarningBUFErie, Niagara88 min
Aug 8, 5:12 PM EDTFlash Flood WarningBUFOrleans88 min
Aug 8, 5:12 PM EDTSevere Thunderstorm WarningBUFErie58 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.