Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 65, NWS Buffalo, NY

August 9, 2000Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 9, 2000, 6:38 PM EDT for Chautauqua County, New York. It was in force for 52 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
Aug 9, 2000, 6:38 PM EDT (22:38 UTC)
Expired
Aug 9, 2000, 7:30 PM EDT
In force
52 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Chautauqua County, NY

What was reported inside it

TimeReportWhereRemark
Aug 9, 6:50 PM EDTHail 1Sherman, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 9, 5:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.6 hours before the alert went out and 218 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, Pittsburgh, PA at 12:00Z on 2000-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 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, Pittsburgh, PA at 12:00Z on 2000-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
270 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 092243
SVRBUF
NYC013-092330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
638 PM EDT WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 730 PM EDT.

* AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM ABOUT 4 MILES SOUTH OF SHERMAN...MOVING  ^    
  EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEMUS POINT AROUND 700 PM EDT.
  ELLINGTON AROUND 720 PM EDT.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

MCLAUGHLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 6:07 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario53 min
Aug 9, 6:30 PM EDTSevere Thunderstorm WarningBUFCattaraugus60 min
Aug 9, 7:00 PM EDTSevere Thunderstorm WarningBUFAllegany60 min
Aug 9, 7:19 PM EDTSevere Thunderstorm WarningBUFErie46 min
Aug 9, 7:40 PM EDTSevere Thunderstorm WarningBUFCattaraugus65 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.