Alert archive / New York / Mesoscale Discussions in 2011

Mesoscale Discussion 1162

June 9, 201110 states

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2011, 7:17 PM EDT for 10 states. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued: Jun 9, 2011, 7:17 PM EDT (23:17 UTC)
Expired: Jun 9, 2011, 8:15 PM EDT
In force: 58 min
Issued by: the Storm Prediction Center

All 108 counties

Kent County, DE, New Castle County, DE, Berkshire County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Suffolk County, MA, Worcester County, MA, Cecil County, MD, Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Hancock County, ME, Kennebec County, ME, Knox County, ME, Lincoln County, ME, Oxford County, ME, Penobscot County, ME, Sagadahoc County, ME, Waldo County, ME, Washington 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, Atlantic County, NJ, Bergen County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Essex County, NJ, Gloucester County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Passaic County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Albany County, NY, Bronx County, NY, Columbia County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Kings County, NY, Montgomery County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Rensselaer County, NY, Richmond County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Suffolk County, NY, Sullivan County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Westchester County, NY, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Columbia County, PA, Delaware County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Monroe County, PA, Montgomery County, PA, Montour County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Schuylkill County, PA, Wayne County, PA, Providence County, RI, Addison County, VT, Bennington County, VT, Caledonia County, VT, Orange County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT

The radar

The Albany radar (KENX), 120 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 101 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 588 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 8:31 PM EDT	Severe Thunderstorm Watch	SPC	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	2 hr
Jun 9, 11:33 AM EDT	Mesoscale Discussion	SPC		57 min
Jun 9, 12:06 PM EDT	Severe Thunderstorm Watch	SPC	Northwest Hills Planning Region	8 hr
Jun 9, 1:45 PM EDT	Mesoscale Discussion	SPC		90 min
Jun 9, 2:34 PM EDT	Severe Thunderstorm Watch	SPC	Greater Bridgeport Planning Region, Capitol Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region	7 hr
Jun 9, 4:17 PM EDT	Mesoscale Discussion	SPC		88 min
Jun 9, 3:18 PM EDT	Mesoscale Discussion	SPC	Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 8 more	87 min
Jun 9, 12:53 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more	7 hr
Jun 9, 6:17 PM EDT	Mesoscale Discussion	SPC	Allegany, Baltimore, Carroll, Frederick, Garrett, Howard and 4 more	58 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

Nearby

Mesoscale Discussions in New York, 2011 Mesoscale Discussions in New Jersey, 2011 Mesoscale Discussions in Pennsylvania, 2011 Every 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.