Alert archive / New York / Mesoscale Discussions in 2011
Mesoscale Discussion 1156
The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2011, 3:18 PM EDT for 6 states. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2011, 3:18 PM EDT (19:18 UTC)
- Expired
- Jun 9, 2011, 4:45 PM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 76 counties
Berkshire County, MA, Franklin County, MA, Androscoggin County, ME, Aroostook County, ME, Cumberland County, ME, Franklin County, ME, Hancock County, ME, Kennebec County, ME, Lincoln County, ME, Oxford County, ME, Penobscot County, ME, Piscataquis County, ME, Sagadahoc County, ME, Somerset County, ME, Waldo 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, Strafford County, NH, Sullivan County, NH, Albany County, NY, Broome 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, Oneida County, NY, Onondaga 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, Carbon County, PA, Columbia County, PA, Lackawanna County, PA, Luzerne County, PA, Monroe County, PA, Montour County, PA, Pike County, PA, Schuylkill County, PA, Sullivan 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 Portland,ME radar (KGYX), 111 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 111 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
- 117 J/kg
- Mixed-layer CIN
- -316 J/kg
- Mixed-layer LCL
- 1195 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 211 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 |
|---|---|---|---|---|
| Jun 9, 12:06 PM EDT | Severe Thunderstorm Watch | SPC | Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 10 more | 8 hr |
| Jun 9, 7:17 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Franklin, Hancock, Kennebec, Knox and 7 more | 58 min |
| Jun 9, 11:33 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 57 min |
| Jun 9, 1:45 PM EDT | Mesoscale Discussion | SPC | Bristol, Hampden, Hampshire, Middlesex, Norfolk, Plymouth and 2 more | 90 min |
| Jun 9, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 7 hr |
| Jun 9, 4:17 PM EDT | Mesoscale Discussion | SPC | Essex, Middlesex, Norfolk, Suffolk, Worcester | 88 min |
| Jun 8, 8:36 PM EDT | Mesoscale Discussion | SPC | Cayuga, Fulton, Hamilton, Herkimer, Jefferson, Lewis and 6 more | 84 min |
| Jun 8, 8:57 PM EDT | Severe Thunderstorm Watch | SPC | Cayuga, Fulton, Hamilton, Herkimer, Jefferson, Lewis and 9 more | 3 hr |
| Jun 9, 3:29 AM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 10 more | 2 hr |
| Jun 9, 3:56 AM EDT | Severe Thunderstorm Watch | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 14 more | 6 hr |
| Jun 9, 8:13 AM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 12 more | 2 hr |
| Jun 9, 10:36 AM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chemung and 30 more | 84 min |
| Jun 9, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 41 more | 7 hr |
| Jun 9, 6:17 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Fayette and 8 more | 58 min |
Nearby
Mesoscale Discussions in New York, 2011Mesoscale Discussions in Maine, 2011Mesoscale Discussions in Pennsylvania, 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.