Alert archive / New York / Mesoscale Discussions in 2003

Mesoscale Discussion 15

January 3, 200333 counties in New York; 10 counties in Pennsylvania

The Storm Prediction Center issued this mesoscale discussion at Jan 3, 2003, 10:28 AM EST for 33 counties in New York; 10 counties in Pennsylvania. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 3, 2003, 10:28 AM EST (15:28 UTC)
Expired
Jan 3, 2003, 2:30 PM EST
In force
4 hr
Issued by
the Storm Prediction Center
All 43 counties

Albany County, NY, Allegany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Erie County, NY, Genesee County, NY, Greene County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Otsego County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Lycoming County, PA, Pike County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 46 km from the middle of the area, began a volume at 15:29 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, 3.5 hours before the alert went out and 218 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2003-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2003-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
462 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
309 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.

IssuedProductOfficeCountiesLasted
Jan 3, 9:55 AM ESTMesoscale DiscussionSPCOrange, Putnam, Rockland, Westchester4 hr
Jan 3, 1:32 PM ESTMesoscale DiscussionSPCAlbany, Broome, Chenango, Columbia, Cortland, Delaware and 20 more7 hr

Nearby

Mesoscale Discussions in New York, 2003Mesoscale Discussions in Pennsylvania, 2003Every mesoscale discussion in 2003

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.