Alert archive / New York / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 283
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2000, 11:30 PM EDT for 28 counties in New York. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2000, 11:30 PM EDT (03:30 UTC)
- Expired
- May 13, 2000, 6:00 AM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Erie County, NY, Genesee County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Niagara County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY
The radar
The Buffalo radar (KBUF), 68 km from the middle of the area, began a volume at 03:33 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 11:41 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Monroe | 64 min |
| May 13, 12:26 AM EDT | Severe Thunderstorm Warning | BUF | Wayne | 64 min |
| May 13, 12:26 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Wyoming | 64 min |
| May 13, 12:45 AM EDT | Severe Thunderstorm Warning | BUF | Monroe | 30 min |
| May 13, 12:52 AM EDT | Severe Thunderstorm Warning | BUF | Niagara | 38 min |
| May 13, 1:00 AM EDT | Severe Thunderstorm Warning | BUF | Ontario | 60 min |
| May 13, 1:23 AM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca | 52 min |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 3.5 hours before the alert went out and 351 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
- 2097 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.1
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 13, 4:30 PM EDT | Severe Thunderstorm Watch | SPC | Broome, Chemung, Chenango, Clinton, Cortland, Delaware and 16 more | 6 hr |
| May 13, 6:00 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Orange and 8 more | 5 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.