Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 20, NWS Buffalo, NY

June 26, 1998Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 26, 1998, 5:59 AM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 61 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
Jun 26, 1998, 5:59 AM EDT (09:59 UTC)
Expired
Jun 26, 1998, 7:00 AM EDT
In force
61 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Cattaraugus County, NY, Chautauqua County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 10.0 hours before the alert went out and 78 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 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1359 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 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
1359 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 261000
FFWBUF
NYC009-013-261100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
559 AM EDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
  NORTHERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 700 AM EDT

* AT 550 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A LINE OF STRONG THUNDERSTORMS FROM DUNKIRK TO
  JUST NORTH OF ELLICOTTVILLE MOVING TOWARD THE EAST AT
  20 MILES AN HOUR.

* ADDITIONAL STORMS CONTINUE TO DEVELOP OVER THE SAME AREA
  AND COULD PRODUCE RAINFALL IN EXCESS OF 2 INCHES AN HOUR
  THROUGH 700 AM.

IF YOU ARE IN THESE AREAS...BE PREPARED TO TAKE ACTION NOW. MOVE TO
HIGHER GROUND. ROADWAYS...CULVERTS AND VIADUCTS COULD FLOOD RAPIDLY
AS A RESULT OF THE TORRENTIAL DOWNPOURS. DO NOT ATTEMPT TO CROSS
FLOODED ROADS.

REMEMBER...A FLASH FLOOD WARNING MEANS THAT FbLASH FLOODING IS
IMMINENT OR ALREADY OCCURRING. TAKE NECESSARY PRECAUTIONS TO
PROTECT LIFE AND PROPERTY IMMEDIATELY.

TAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:40 AM EDTSevere Thunderstorm WarningBUFJefferson65 min
Jun 26, 2:00 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 2:04 AM EDTSevere Thunderstorm WarningBUFLewis61 min
Jun 26, 2:19 AM EDTSevere Thunderstorm WarningBUFOswego66 min
Jun 26, 2:54 AM EDTSevere Thunderstorm WarningBUFNiagara61 min
Jun 26, 3:14 AM EDTSevere Thunderstorm WarningBUFOrleans61 min
Jun 26, 3:31 AM EDTSevere Thunderstorm WarningBUFErie59 min
Jun 26, 3:42 AM EDTSevere Thunderstorm WarningBUFGenesee63 min
Jun 26, 3:50 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 4:23 AM EDTFlash Flood WarningBUFErie, Genesee2 hr
Jun 26, 4:53 AM EDTSevere Thunderstorm WarningBUFWyoming62 min
Jun 26, 6:43 AM EDTSevere Thunderstorm WarningBUFErie87 min
Jun 26, 7:33 AM EDTFlash Flood WarningBUFWyoming92 min
Jun 26, 8:01 AM EDTFlash Flood WarningBUFGenesee94 min
Jun 26, 8:30 AM EDTSevere Thunderstorm WarningBUFLivingston, Monroe50 min

Nearby

Flash Flood Warnings in New York, 1998Every flash flood warning in 1998

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.