Alert archive / New York / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 689
The Storm Prediction Center issued this severe thunderstorm watch at Aug 15, 2000, 10:00 PM EDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 15, 2000, 10:00 PM EDT (02:00 UTC)
- Expired
- Aug 16, 2000, 3:00 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Livingston County, NY, Monroe County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Ashtabula County, OH, Columbiana County, OH, Jefferson County, OH, Mahoning County, OH, Trumbull County, OH, Beaver County, PA, Butler County, PA, Clarion County, PA, Crawford County, PA, Elk County, PA, Erie County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Venango County, PA, Warren County, PA, Hancock County, WV
The radar
The Buffalo radar (KBUF), 79 km from the middle of the area, began a volume at 02:01 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 10:43 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 62 min |
| Aug 15, 11:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 53 min |
| Aug 15, 11:11 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 64 min |
| Aug 15, 11:29 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 61 min |
| Aug 16, 12:16 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 59 min |
| Aug 16, 12:23 AM EDT | Tornado Warning | CTP | Cameron, Elk | 37 min |
| Aug 16, 12:30 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 60 min |
| Aug 16, 12:32 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 28 min |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.0 hours before the alert went out and 78 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
- 724 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in New York, 2000Severe Thunderstorm Watches in Pennsylvania, 2000Severe Thunderstorm Watches in Ohio, 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.