Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 54, NWS Buffalo, NY

July 17, 2000Niagara County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 17, 2000, 10:02 PM EDT for Niagara County, Orleans County, New York. It was in force for 58 min. 2 reports 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: Jul 17, 2000, 10:02 PM EDT (02:02 UTC)
Expired: Jul 17, 2000, 11:00 PM EDT
In force: 58 min
Issued by: NWS Buffalo, NY
Area: Whole counties

Counties Niagara County, NY, Orleans County, NY

What was reported inside it

Time	Report	Where	Remark
Jul 17, 10:22 PM EDT	Hail 0.75	Carlton, NY
Jul 17, 10:45 PM EDT	Thunderstorm Wind	Cambria, 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, 2.0 hours before the alert went out and 38 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 307 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 180208
SVRBUF
NYC063-073-180300-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EDT MON JUL 17 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ORLEANS COUNTY IN WESTERN NEW YORK.
  NIAGARA COUNTY IN WESTERN NEW YORK.

* UNTIL 1100 PM EDT.

* AT 958 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ALONG
  THE LAKE ONTARIO SHORE FROM NEAR YOUNGSTOWN TO NEAR POINT
  BREEZE...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LYNDONVILLE AROUND 1010 PM EDT.
  MEDINA AROUND 1020 PM EDT.
  ALBION AROUND 1030 PM EDT.
  

THESE ARE DANGEROUS STORMS AND HAVE HAD A HISTORY OF PRODUCING 
SEVERE WEATHER NEAR TORONTO. STAY INDOORS AWAY FROM WINDOWS.

INTENSE LIGHTNING IS OCCURRING WITH THESE STORMS. WIND GUSTS OVER 50 
MPH ARE POSSIBLE ALONG WITH LARGE HAIL AND HEAVY RAIN WHICH CAN 
CAUSE POOR DRAINAGE FLOODING. 

PACE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 9:00 PM EDT	Severe Thunderstorm Warning	BUF	Niagara, Orleans	60 min
Jul 17, 10:45 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Monroe	60 min

Nearby

Severe Thunderstorm Warnings in New York, 2000 Every 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.