Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 175, NWS Binghamton, NY

October 15, 20177 counties in New York

NWS Binghamton, NY issued this severe thunderstorm warning at Oct 15, 2017, 6:39 PM EDT for 7 counties in New York. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 15, 2017, 6:39 PM EDT (22:39 UTC)
Expired: Oct 15, 2017, 7:45 PM EDT
In force: 66 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Cayuga County, NY, Chenango County, NY, Cortland County, NY, Madison County, NY, Schuyler County, NY, Seneca County, NY, Tompkins County, NY

The radar

The Binghamton radar (KBGM), 58 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 198 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: 18 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 309 m²/s²
0-3 km storm-relative helicity: 376 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 15, 3:48 PM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Oct 15, 3:48 PM EDT, 2 hours 51 minutes before

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Hazardous weather outlook, Oct 15, 9:58 AM EDT, 8 hours 41 minutes before

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In the hours before

Special weather statement, Oct 15, 5:17 PM EDT, 1 hour 22 minutes before

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Special weather statement, Oct 15, 5:57 PM EDT, 42 minutes before

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Local storm report, Oct 15, 6:25 PM EDT, 14 minutes before

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Special weather statement, Oct 15, 6:32 PM EDT, 7 minutes before

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Local storm report, Oct 15, 6:36 PM EDT, 3 minutes before

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The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 15, 5:17 PM EDT	Special Weather Statement	BGM	Cayuga, Onondaga, Seneca, Steuben, Yates	58 min
Oct 15, 5:35 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Onondaga, Seneca	40 min
Oct 15, 5:57 PM EDT	Special Weather Statement	BGM	Schuyler, Seneca, Steuben, Yates	63 min
Oct 15, 6:08 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Madison, Oneida, Onondaga, Seneca	67 min
Oct 15, 6:32 PM EDT	Special Weather Statement	BGM	Chemung, Cortland, Madison, Schuyler, Tioga, Tompkins	58 min
Oct 15, 7:04 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison, Oneida, Onondaga, Otsego	41 min
Oct 15, 7:13 PM EDT	Special Weather Statement	BGM	Chemung, Chenango, Cortland, Tioga, Tompkins	62 min
Oct 15, 7:44 PM EDT	Special Weather Statement	BGM	Broome, Chenango, Otsego, Tioga	61 min

Nearby

Severe Thunderstorm Warnings in New York, 2017 Every severe thunderstorm warning in 2017

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.