Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 77, NWS Buffalo, NY

October 4, 2000Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Oct 4, 2000, 5:57 AM EDT for Cattaraugus County, New York. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 4, 2000, 5:57 AM EDT (09:57 UTC)
Expired
Oct 4, 2000, 7:00 AM EDT
In force
63 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

What was reported inside it

TimeReportWhereRemark
Oct 4, 6:15 AM EDTThunderstorm WindEast Otto, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 10.0 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 00:00Z on 2000-10-04Temperature 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, Buffalo Intl Airport, NY at 00:00Z on 2000-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1319 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
48 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 
WUUS51 KBUF 041000
SVRBUF
NYC009-041100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
557 AM EDT WED OCT 4 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATTARAUGUS COUNTY IN WESTERN NEW YORK.

* UNTIL 700 AM EDT.

* AT 555 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF VERY STRONG THUNDERSTORMS EXTENDING FROM NEAR SOUTH DAYTON
  TO FREWSBURG. THE STORMS ARE MOVING EAST AT ABOUT 55 MILES AN HOUR.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CATTARAUGUS...LITTLE VALLEY AROUND 605 AM EDT.
  SALAMANCA...ALLEGANY PARK AROUND 610 AM EDT.
  ELLICOTTVILLE...ASHFORD HOLLOW AROUND 615 AM EDT.
  ASHFORD AROUND 620 AM EDT.
  ALLEGANY...FRANKLINVILLE AROUND 625 AM EDT.
  OLEAN...HINSDALE AROUND 630 AM EDT.

THESE ARE DANGEROUS STORMS. THEY HAVE A HISTORY OF PRODUCING
DAMAGING WIND GUSTS IN EXCESS OF 60 MILES AN HOUR...SMALL HAIL AND
NEAR CONTINUOUS LIGHTNING.


RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 4:53 AM EDTSevere Thunderstorm WarningBUFChautauqua67 min

Nearby

Severe Thunderstorm Warnings in New York, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.