Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 95, NWS Binghamton, NY

July 18, 2013Chemung County, Tioga County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 18, 2013, 4:35 PM EDT for Chemung County, Tioga County, New York. It was in force for 55 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: Jul 18, 2013, 4:35 PM EDT (20:35 UTC)
Expired: Jul 18, 2013, 5:30 PM EDT
In force: 55 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Chemung County, NY, Tioga County, NY

The radar

The Binghamton radar (KBGM), 45 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 197 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: 3057 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 718 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 8:55 AM EDT	Heat Advisory	BGM	Chemung, Steuben	11 hr
Jul 18, 1:04 PM EDT	Special Weather Statement	BGM	Seneca	41 min
Jul 18, 1:50 PM EDT	Heat Advisory	BGM	Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more	30 hr
Jul 18, 2:16 PM EDT	Special Weather Statement	BGM	Tompkins	59 min
Jul 18, 3:02 PM EDT	Special Weather Statement	BGM	Tioga	43 min
Jul 18, 3:15 PM EDT	Special Weather Statement	BGM	Steuben	60 min
Jul 18, 4:31 PM EDT	Special Weather Statement	BGM	Chemung, Tioga	59 min
Jul 18, 5:06 PM EDT	Special Weather Statement	BGM	Yates	54 min
Jul 17, 9:03 PM EDT	Special Weather Statement	BGM	Bradford, Wyoming	42 min

Nearby

Severe Thunderstorm Warnings in New York, 2013 Every severe thunderstorm warning in 2013

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.