Alert archive / Pennsylvania / Mesoscale Discussions in 2006

Mesoscale Discussion 80

January 23, 20065 counties in New York; 17 counties in Pennsylvania

The Storm Prediction Center issued this mesoscale discussion at Jan 23, 2006, 1:47 AM EST for 5 counties in New York; 17 counties in Pennsylvania. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 23, 2006, 1:47 AM EST (06:47 UTC)
Expired: Jan 23, 2006, 6:45 AM EST
In force: 5 hr
Issued by: the Storm Prediction Center

All 22 counties

Dutchess County, NY, Orange County, NY, Putnam County, NY, Sullivan County, NY, Ulster County, NY, Blair County, PA, Bradford County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, Huntingdon County, PA, Jefferson County, PA, Lackawanna County, PA, Lycoming County, PA, Pike County, PA, Sullivan County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 112 km from the middle of the area, began a volume at 06:50 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, 6.8 hours before the alert went out and 253 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: 1981 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 220 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
Jan 23, 7:07 AM EST	Mesoscale Discussion	SPC		6 hr
Jan 22, 7:57 PM EST	Mesoscale Discussion	SPC	Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 36 more	6 hr

Nearby

Mesoscale Discussions in Pennsylvania, 2006 Mesoscale Discussions in New York, 2006 Mesoscale Discussions in Connecticut, 2006 Every mesoscale discussion in 2006

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.