Alert archive / New York / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 54, NWS Binghamton, NY

October 21, 2001Cayuga County, Seneca County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Oct 21, 2001, 5:23 PM EDT for Cayuga County, Seneca County, New York. It was in force for 37 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 21, 2001, 5:23 PM EDT (21:23 UTC)
Expired: Oct 21, 2001, 6:00 PM EDT
In force: 37 min
Issued by: NWS Binghamton, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cayuga County, NY, Seneca County, NY

The radar

The Binghamton radar (KBGM), 97 km from the middle of the area, began a volume at 21:23 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 was reported inside it

Time	Report	Where	Remark
Oct 21, 5:30 PM EDT	Thunderstorm Wind 52 E	Fayette, NY	Emergency management officials reported trees and wires blown down by thunderstorm winds in Fayette and also in the town of Varick. A small fence was also blown over.
Oct 21, 5:33 PM EDT	Hail 0.75	Geneva, NY	Newspaper reports indicate that dime size hail fell in Geneva.
Oct 21, 6:00 PM EDT	Thunderstorm Wind 52 E	Auburn, NY	Newspaper reports indicate thunderstorm winds knocked a power line down at East Genesee Street and North Hunter.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.4 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 21, 3:00 PM EDT, 2 hours 23 minutes earlier.

Area forecast discussion, Oct 21, 3:00 PM EDT, 2 hours 23 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 21, 5:48 PM EDT	Severe Thunderstorm Warning	BGM	Onondaga	27 min

Nearby

Severe Thunderstorm Warnings in New York, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.