Alert archive / New York / Mesoscale Discussions in 2008

Mesoscale Discussion 1533

June 23, 20086 states

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2008, 3:30 AM EDT for 6 states. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: Jun 23, 2008, 3:30 AM EDT (07:30 UTC)
Expired: Jun 23, 2008, 5:00 AM EDT
In force: 90 min
Issued by: the Storm Prediction Center

All 67 counties

Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Belknap County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Sullivan County, NH, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Albany County, NY, Bronx County, NY, Columbia County, NY, Delaware 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, 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, Lackawanna County, PA, Lehigh County, PA, Luzerne County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Schuylkill County, PA, Wayne County, PA, Bennington County, VT, Orange County, VT, Rutland County, VT, Windham County, VT, Windsor County, VT

The radar

The Albany radar (KENX), 63 km from the middle of the area, began a volume at 07:33 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 00:00Z, 7.5 hours before the alert went out and 75 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: 1409 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 942 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.8

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 23, 11:10 AM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	95 min
Jun 23, 2:55 PM EDT	Mesoscale Discussion	SPC	Allegany, Cattaraugus	95 min

Nearby

Mesoscale Discussions in New York, 2008 Mesoscale Discussions in Pennsylvania, 2008 Mesoscale Discussions in New Jersey, 2008 Every mesoscale discussion in 2008

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.