Alert archive / New York / Mesoscale Discussions in 2019

Mesoscale Discussion 46

January 23, 20198 counties in New York

The Storm Prediction Center issued this mesoscale discussion at Jan 23, 2019, 6:08 AM EST for 8 counties in New York. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jan 23, 2019, 6:08 AM EST (11:08 UTC)
Expired: Jan 23, 2019, 11:45 AM EST
In force: 6 hr
Issued by: the Storm Prediction Center

Counties Cayuga County, NY, Cortland County, NY, Herkimer County, NY, Lewis County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 60 km from the middle of the area, began a volume at 11:09 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 11.1 hours before the alert went out and 238 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: 3140 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 375 m²/s²
0-3 km storm-relative helicity: 461 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in New York, 2019 Every mesoscale discussion in 2019

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.