Alert archive / New York / Mesoscale Discussions in 2014

Mesoscale Discussion 1376

July 14, 201421 counties in New York

The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2014, 4:42 PM EDT for 21 counties in New York. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Jul 14, 2014, 4:42 PM EDT (20:42 UTC)
Expired: Jul 14, 2014, 6:15 PM EDT
In force: 93 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 21 counties

Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Livingston County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Otsego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Wyoming County, NY, Yates County, NY

The radar

The Binghamton radar (KBGM), 79 km from the middle of the area, began a volume at 20:44 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 12:00Z, 8.7 hours before the alert went out and 163 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: 919 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 147 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
Jul 13, 8:46 PM EDT	Mesoscale Discussion	SPC	Dutchess, Orange, Putnam, Rockland, Westchester	89 min
Jul 14, 1:06 PM EDT	Mesoscale Discussion	SPC	Bronx, Kings, New York, Orange, Putnam, Richmond and 3 more	84 min
Jul 14, 1:24 PM EDT	Severe Thunderstorm Watch	SPC	Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more	8 hr
Jul 14, 4:39 PM EDT	Mesoscale Discussion	SPC	Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more	96 min
Jul 14, 6:59 PM EDT	Mesoscale Discussion	SPC	Bronx, Kings, Nassau, New York, Putnam, Queens and 3 more	61 min

Nearby

Mesoscale Discussions in New York, 2014 Every mesoscale discussion in 2014

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.