Alert archive / New York / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 258
The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2000, 12:00 AM EDT for 15 counties in New York. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 10, 2000, 12:00 AM EDT (04:00 UTC)
- Expired
- May 10, 2000, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Chemung County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY
The radar
The Buffalo radar (KBUF), 30 km from the middle of the area, began a volume at 04:00 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.
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 12:34 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 56 min |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.0 hours before the alert went out and 27 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
- 838 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 17 more | 6 hr |
| May 10, 11:15 AM EDT | Severe Thunderstorm Watch | SPC | Albany, Columbia, Delaware, Dutchess, Essex, Fulton and 14 more | 6 hr |
Nearby
Severe Thunderstorm Watches in New York, 2000Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.