Alert archive / New York / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 908
The Storm Prediction Center issued this severe thunderstorm watch at Aug 29, 2003, 10:55 AM EDT for 28 counties in New York. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 29, 2003, 10:55 AM EDT (14:55 UTC)
- Expired
- Aug 29, 2003, 4:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Clinton County, NY, Erie County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Genesee County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson 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, Seneca County, NY, St. Lawrence County, NY, Warren County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.9 hours before the alert went out and 158 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
- 1055 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 12.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 10:30 AM EDT | Mesoscale Discussion | SPC | Allegany, Cayuga, Chemung, Cortland, Erie, Franklin and 22 more | 3 hr |
| Aug 29, 1:32 PM EDT | Mesoscale Discussion | SPC | Broome, Chautauqua, Chemung, Chenango, Cortland, Otsego and 4 more | 2 hr |
| Aug 29, 2:23 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Clinton, Erie, Essex and 22 more | 97 min |
| Aug 29, 3:35 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Allegany, Broome, Cayuga, Chemung, Chenango and 33 more | 5 hr |
| Aug 29, 6:33 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 20 more | 57 min |
Nearby
Severe Thunderstorm Watches in New York, 2003Every severe thunderstorm watch in 2003
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.