Alert archive / New York / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 12, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 9, 2000, 7:46 PM EDT for Cattaraugus County, New York. It was in force for 59 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
- May 9, 2000, 7:46 PM EDT (23:46 UTC)
- Expired
- May 9, 2000, 8:45 PM EDT
- In force
- 59 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 23:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 7:55 PM EDT | Hail 1 | Little Vly, 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 12:00Z, 11.8 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.
- Mixed-layer CAPE
- 751 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBUF 092350 SVRBUF NYC009-100045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 746 PM EDT TUE MAY 9 2000 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CATTARAUGUS COUNTY IN WESTERN NEW YORK. * UNTIL 845 PM EDT. * AT 740 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF SALAMANCA...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ASHFORD AROUND 755 PM EDT. FRANKLINVILLE AROUND 810 PM EDT. THESE ARE DANGEROUS STORMS THAT COULD PRODUCE DAMAGING WINDS...HAIL AND FREQUENT LIGHTNING. THEY COULD ALSO PRODUCE LOCALIZED FLOODING. STAY INDOORS AWAY FROM WINDOWS. NIZIOL
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 1:35 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 55 min |
| May 9, 6:22 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 68 min |
| May 9, 6:35 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 55 min |
| May 9, 7:02 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 58 min |
| May 9, 7:24 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 81 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; radar from the NEXRAD Level II archive.