Alert archive / New York / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 485
The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2001, 8:15 AM EDT for 27 counties in New York; 4 counties in Vermont. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2001, 8:15 AM EDT (12:15 UTC)
- Expired
- Jul 1, 2001, 2:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Allegany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Clinton County, NY, Cortland County, NY, Essex County, NY, Franklin County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Oswego County, NY, Schuyler County, NY, Seneca County, NY, St. Lawrence County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Wayne County, NY, Yates County, NY, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 9:38 AM EDT | Severe Thunderstorm Warning | BUF | Oswego | 37 min |
| Jul 1, 9:43 AM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Herkimer | 62 min |
| Jul 1, 9:49 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 41 min |
| Jul 1, 11:45 AM EDT | Severe Thunderstorm Warning | BUF | Wayne | 30 min |
| Jul 1, 12:11 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 49 min |
| Jul 1, 12:19 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca | 61 min |
| Jul 1, 12:30 PM EDT | Severe Thunderstorm Warning | BGM | Onondaga | 60 min |
| Jul 1, 12:45 PM EDT | Severe Thunderstorm Warning | BTV | St. Lawrence | 60 min |
| Jul 1, 12:48 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 42 min |
| Jul 1, 12:50 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida | 85 min |
| Jul 1, 1:11 PM EDT | Severe Thunderstorm Warning | ALY | Herkimer | 79 min |
| Jul 1, 1:15 PM EDT | Severe Thunderstorm Warning | BGM | Yates | 60 min |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 0.3 hours before the alert went out and 199 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
- 1136 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
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 |
|---|---|---|---|---|
| Jul 1, 10:30 AM EDT | Severe Thunderstorm Watch | SPC | Albany, Columbia, Delaware, Fulton, Greene, Montgomery and 7 more | 6 hr |
| Jul 1, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Columbia, Delaware, Fulton, Greene, Montgomery and 6 more | 7 hr |
| Jul 1, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 8 more | 6 hr |
Nearby
Severe Thunderstorm Watches in New York, 2001Severe Thunderstorm Watches in Vermont, 2001Every severe thunderstorm watch in 2001
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.