Alert archive / New York / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 638
The Storm Prediction Center issued this severe thunderstorm watch at Aug 2, 2000, 1:00 PM EDT for 24 counties in New York; 7 counties in Pennsylvania. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2000, 1:00 PM EDT (17:00 UTC)
- Expired
- Aug 2, 2000, 6:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Cortland County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe 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, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Crawford County, PA, Erie County, PA, Forest County, PA, McKean County, PA, Mercer County, PA, Venango County, PA, Warren County, PA
The radar
The Buffalo radar (KBUF), 43 km from the middle of the area, began a volume at 16:59 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
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 1:01 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 59 min |
| Aug 2, 1:25 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 35 min |
| Aug 2, 1:39 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 51 min |
| Aug 2, 1:51 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 69 min |
| Aug 2, 1:56 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 49 min |
| Aug 2, 1:59 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 56 min |
| Aug 2, 2:51 PM EDT | Flash Flood Warning | CLE | Crawford | 114 min |
| Aug 2, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 39 min |
| Aug 2, 2:56 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Aug 2, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 58 min |
| Aug 2, 3:23 PM EDT | Flash Flood Warning | PBZ | Venango | 4 hr |
| Aug 2, 3:28 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 62 min |
| Aug 2, 3:50 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 2, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 38 min |
| Aug 2, 4:12 PM EDT | Flash Flood Warning | PBZ | Forest | 3 hr |
| Aug 2, 4:19 PM EDT | Tornado Warning | CLE | Crawford | 41 min |
| Aug 2, 4:39 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 51 min |
| Aug 2, 4:40 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 65 min |
| Aug 2, 5:00 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 45 min |
| Aug 2, 5:44 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 46 min |
| Aug 2, 5:54 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 66 min |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 5.0 hours before the alert went out and 290 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
- 450 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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, 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.