Alert archive / New York / Mesoscale Discussions in 2007
Mesoscale Discussion 1923
The Storm Prediction Center issued this mesoscale discussion at Aug 30, 2007, 5:00 PM EDT for 5 states. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2007, 5:00 PM EDT (21:00 UTC)
- Expired
- Aug 30, 2007, 6:00 PM EDT
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 45 counties
Berkshire County, MA, Franklin County, MA, Hampshire County, MA, Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Kennebec County, ME, Lincoln County, ME, Oxford County, ME, Sagadahoc County, ME, Somerset County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Coos County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Columbia County, NY, Essex County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Warren County, NY, Washington County, NY, Addison County, VT, Bennington County, VT, Caledonia County, VT, Essex County, VT, Orange County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT
The radar
The Burlington radar (KCXX), 98 km from the middle of the area, began a volume at 21:04 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
Gray, ME (KGYX), launched 12:00Z, 9.0 hours before the alert went out and 159 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
- 106 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 1254 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 54 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 |
|---|---|---|---|---|
| Aug 30, 11:07 AM EDT | Mesoscale Discussion | SPC | Franklin, Kennebec, Oxford, Penobscot, Piscataquis, Somerset | 113 min |
| Aug 30, 2:20 PM EDT | Mesoscale Discussion | SPC | Oxford | 115 min |
| Aug 30, 3:07 PM EDT | Severe Thunderstorm Watch | SPC | Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more | 6 hr |
| Aug 30, 6:23 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Franklin, Kennebec, Oxford, Penobscot and 4 more | 97 min |
Nearby
Mesoscale Discussions in New York, 2007Mesoscale Discussions in New Hampshire, 2007Mesoscale Discussions in Maine, 2007Every mesoscale discussion in 2007
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.