Alert archive / New York / Mesoscale Discussions in 2004
Mesoscale Discussion 1461
The Storm Prediction Center issued this mesoscale discussion at Jul 1, 2004, 6:49 PM EDT for 4 states. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2004, 6:49 PM EDT (22:49 UTC)
- Expired
- Jul 1, 2004, 8:15 PM EDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 35 counties
Oxford County, ME, Carroll County, NH, Coos County, NH, Grafton County, NH, Sullivan County, NH, Clinton County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Hamilton County, NY, Herkimer County, NY, Lewis County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Oswego County, NY, Saratoga County, NY, Schenectady County, NY, St. Lawrence County, NY, Warren County, NY, Washington County, NY, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT
The radar
The Burlington radar (KCXX), 89 km from the middle of the area, began a volume at 22:51 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.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.8 hours before the alert went out and 121 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
- 178 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Jul 1, 4:10 PM EDT | Severe Thunderstorm Watch | SPC | Oxford | 5 hr |
| Jul 1, 2:53 PM EDT | Mesoscale Discussion | SPC | Sullivan | 2 hr |
| Jul 1, 11:13 AM EDT | Mesoscale Discussion | SPC | Cayuga, Essex, Fulton, Hamilton, Herkimer, Lewis and 5 more | 2 hr |
| Jul 1, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | Cayuga, Clinton, Essex, Franklin, Genesee, Hamilton and 12 more | 6 hr |
| Jul 1, 4:46 PM EDT | Mesoscale Discussion | SPC | Cayuga, Essex, Hamilton, Herkimer, Lewis, Monroe and 4 more | 59 min |
| Jul 1, 5:35 PM EDT | Severe Thunderstorm Watch | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Lewis and 3 more | 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; radar from the NEXRAD Level II archive.