Alert archive / New York / Tornado Watches in 2015

Tornado Watch 292

June 12, 201533 counties in New York; Bennington County, Windham County, Vermont

The Storm Prediction Center issued this tornado watch at Jun 12, 2015, 3:07 PM EDT for 33 counties in New York; Bennington County, Windham County, Vermont. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 12, 2015, 3:07 PM EDT (19:07 UTC)
Expired: Jun 12, 2015, 11:00 PM EDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 60 kt

All 35 counties

Albany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Livingston County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Yates County, NY, Bennington County, VT, Windham County, VT

The radar

The Binghamton radar (KBGM), 63 km from the middle of the area, began a volume at 19:06 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 40%
One or more EF2 to EF5 tornadoes: 20%
Ten or more severe wind reports: 70%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 30%
One or more hailstones of 2 inches or more: 5%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

45 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 12, 3:25 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison, Onondaga	65 min
Jun 12, 3:29 PM EDT	Tornado Warning	BGM	Cayuga, Chenango, Cortland, Madison, Onondaga	46 min
Jun 12, 4:15 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Livingston, Wyoming	60 min
Jun 12, 4:27 PM EDT	Severe Thunderstorm Warning	ALY	Ulster	63 min
Jun 12, 4:30 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Madison, Otsego	60 min
Jun 12, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario	65 min
Jun 12, 4:42 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston	63 min
Jun 12, 5:05 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Onondaga	40 min
Jun 12, 5:20 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	32 min
Jun 12, 5:23 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Ulster	35 min
Jun 12, 5:29 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	61 min
Jun 12, 5:31 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	29 min
Jun 12, 5:33 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Oneida	57 min
Jun 12, 5:36 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Seneca, Steuben, Yates	54 min
Jun 12, 5:39 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	21 min
Jun 12, 5:40 PM EDT	Tornado Warning	BGM	Otsego	50 min
Jun 12, 5:40 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario	35 min
Jun 12, 5:42 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	63 min
Jun 12, 5:46 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	59 min
Jun 12, 6:11 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton	64 min
Jun 12, 6:16 PM EDT	Severe Thunderstorm Warning	BGM	Schuyler, Seneca, Steuben, Yates	41 min
Jun 12, 6:17 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery, Schenectady, Schoharie	58 min
Jun 12, 6:22 PM EDT	Tornado Warning	ALY	Montgomery, Schoharie	38 min
Jun 12, 6:24 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Onondaga, Seneca	36 min
Jun 12, 6:38 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Montgomery	52 min
Jun 12, 6:39 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison	51 min
Jun 12, 6:44 PM EDT	Tornado Warning	ALY	Albany, Montgomery, Schenectady, Schoharie	46 min
Jun 12, 6:47 PM EDT	Severe Thunderstorm Warning	BGM	Schuyler, Seneca, Tompkins	36 min
Jun 12, 6:49 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	41 min
Jun 12, 7:03 PM EDT	Tornado Warning	ALY	Herkimer	8 min
Jun 12, 7:07 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	23 min
Jun 12, 7:14 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland, Tioga, Tompkins	61 min
Jun 12, 7:17 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer, Saratoga, Schenectady	58 min
Jun 12, 7:27 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Madison, Otsego	48 min
Jun 12, 7:28 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery, Schoharie	47 min
Jun 12, 7:36 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Cortland, Tioga	39 min
Jun 12, 7:41 PM EDT	Severe Thunderstorm Warning	BGM	Tioga	64 min
Jun 12, 7:57 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Otsego	48 min
Jun 12, 8:16 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer, Saratoga, Schenectady	59 min
Jun 12, 8:25 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	20 min
Jun 12, 8:27 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	48 min
Jun 12, 8:41 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	34 min
Jun 12, 8:51 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	54 min
Jun 12, 8:56 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer, Schoharie, Ulster	64 min
Jun 12, 9:50 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Greene, Rensselaer, Ulster	55 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.1 hours before the alert went out and 157 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: 1641 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 1:26 PM EDT	Mesoscale Discussion	SPC	Allegany, Cattaraugus, Cayuga, Chautauqua, Cortland, Erie and 17 more	64 min
Jun 12, 2:54 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Jefferson and 7 more	6 hr
Jun 12, 6:22 PM EDT	Mesoscale Discussion	SPC	Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 29 more	83 min
Jun 12, 7:25 PM EDT	Severe Thunderstorm Watch	SPC	Broome, Chenango, Delaware, Otsego, Sullivan, Tioga	4 hr

Nearby

Tornado Watches in New York, 2015 Tornado Watches in Vermont, 2015 Every tornado watch in 2015

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.