Alert archive / New York / Mesoscale Discussions in 2005

Mesoscale Discussion 2390

November 6, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Nov 6, 2005, 6:47 PM EST for 4 states. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Nov 6, 2005, 6:47 PM EST (23:47 UTC)
Expired: Nov 6, 2005, 8:15 PM EST
In force: 88 min
Issued by: the Storm Prediction Center

All 61 counties

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, Clinton County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Greene County, NY, Kings County, NY, Montgomery 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, Delaware County, PA, Lancaster County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Wayne County, PA, York County, PA, Addison County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Rutland County, VT, Washington County, VT

The radar

The Albany radar (KENX), 71 km from the middle of the area, began a volume at 23:49 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, 11.8 hours before the alert went out and 92 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Nov 6, 2:58 PM EST	Mesoscale Discussion	SPC	Hunterdon, Morris, Sussex, Warren	92 min
Nov 6, 4:00 PM EST	Severe Thunderstorm Watch	SPC	Hunterdon, Morris, Somerset, Sussex, Warren	6 hr
Nov 6, 10:11 AM EST	Mesoscale Discussion	SPC	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 7 more	2 hr
Nov 6, 10:15 AM EST	Severe Thunderstorm Watch	SPC	Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 15 more	3 hr
Nov 6, 12:50 PM EST	Tornado Watch	SPC	Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 15 more	5 hr
Nov 6, 5:20 AM EST	Severe Thunderstorm Watch	SPC	Crawford, Erie, Lawrence, Mercer	7 hr
Nov 6, 8:44 AM EST	Mesoscale Discussion	SPC	Crawford, Erie	91 min
Nov 6, 11:44 AM EST	Mesoscale Discussion	SPC	Beaver, Crawford, Erie, Lawrence, Mercer, Venango	2 hr

Nearby

Mesoscale Discussions in New York, 2005 Mesoscale Discussions in Pennsylvania, 2005 Mesoscale Discussions in New Jersey, 2005 Every mesoscale discussion in 2005

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.