Alert archive / New York / Mesoscale Discussions in 2004
Mesoscale Discussion 2145
The Storm Prediction Center issued this mesoscale discussion at Aug 29, 2004, 3:46 PM EDT for 5 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Aug 29, 2004, 3:46 PM EDT (19:46 UTC)
- Expired
- Aug 29, 2004, 5:45 PM EDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 65 counties
Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Oxford County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Sullivan County, NH, Albany County, NY, Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Genesee County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, St. Lawrence County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Warren County, NY, Washington County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Orange County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 149 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
- 378 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | Oxford | 6 hr |
| Aug 29, 6:13 PM EDT | Mesoscale Discussion | SPC | Oxford | 92 min |
| Aug 29, 12:45 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin | 3 hr |
Nearby
Mesoscale Discussions in New York, 2004Mesoscale Discussions in Vermont, 2004Mesoscale Discussions in New Hampshire, 2004Every mesoscale discussion in 2004
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.