Alert archive / New York / Mesoscale Discussions in 2011
Mesoscale Discussion 198
The Storm Prediction Center issued this mesoscale discussion at Mar 6, 2011, 7:32 PM EST for 6 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 6, 2011, 7:32 PM EST (00:32 UTC)
- Expired
- Mar 6, 2011, 11:30 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 50 counties
Berkshire County, MA, Franklin County, ME, Oxford County, ME, Belknap County, NH, Carroll County, NH, Coos County, NH, Grafton County, NH, Sullivan County, NH, Albany County, NY, Broome County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Essex County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Bradford County, PA, Lackawanna County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex 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 Albany radar (KENX), 87 km from the middle of the area, began a volume at 00:34 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
Brookhaven, NY (KOKX), launched 00:00Z, 0.5 hours before the alert went out and 254 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
- 49 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 489 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 371 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 |
|---|---|---|---|---|
| Mar 7, 3:10 AM EST | Mesoscale Discussion | SPC | Aroostook, Franklin, Piscataquis, Somerset | 6 hr |
| Mar 7, 7:24 AM EST | Mesoscale Discussion | SPC | Androscoggin, Kennebec, Oxford, Penobscot | 4 hr |
Nearby
Mesoscale Discussions in New York, 2011Mesoscale Discussions in Vermont, 2011Mesoscale Discussions in New Hampshire, 2011Every mesoscale discussion in 2011
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.