Alert archive / New York / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 357

May 31, 200241 counties in New York

The Storm Prediction Center issued this severe thunderstorm watch at May 31, 2002, 2:00 PM EDT for 41 counties in New York. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 31, 2002, 2:00 PM EDT (18:00 UTC)
Expired: May 31, 2002, 7:00 PM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 41 counties

Albany County, NY, Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Erie County, NY, Fulton County, NY, Genesee County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Niagara County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego 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, Warren County, NY, Washington County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY

The radar

The Binghamton radar (KBGM), 115 km from the middle of the area, began a volume at 18:00 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 31, 2:04 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	71 min
May 31, 2:14 PM EDT	Severe Thunderstorm Warning	BGM	Broome	46 min
May 31, 2:15 PM EDT	Severe Thunderstorm Warning	ALY	Saratoga, Schenectady	60 min
May 31, 2:17 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery	43 min
May 31, 2:25 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Otsego	50 min
May 31, 2:38 PM EDT	Severe Thunderstorm Warning	ALY	Washington	67 min
May 31, 2:47 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer	58 min
May 31, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	50 min
May 31, 2:59 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	61 min
May 31, 3:25 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Tioga	65 min
May 31, 3:28 PM EDT	Severe Thunderstorm Warning	BGM	Madison, Onondaga	47 min
May 31, 3:37 PM EDT	Tornado Warning	BGM	Broome, Tioga	38 min
May 31, 3:46 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	44 min
May 31, 3:49 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	26 min
May 31, 3:55 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	65 min
May 31, 4:11 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Delaware, Tioga	64 min
May 31, 4:16 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Montgomery	59 min
May 31, 4:28 PM EDT	Severe Thunderstorm Warning	BGM	Otsego	62 min
May 31, 4:31 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	59 min
May 31, 4:46 PM EDT	Severe Thunderstorm Warning	ALY	Saratoga	59 min
May 31, 4:57 PM EDT	Tornado Warning	BGM	Delaware, Sullivan	33 min
May 31, 4:59 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Schenectady, Ulster	61 min
May 31, 5:01 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	59 min
May 31, 5:10 PM EDT	Severe Thunderstorm Warning	ALY	Washington	65 min
May 31, 5:12 PM EDT	Severe Thunderstorm Warning	ALY	Albany	63 min
May 31, 5:22 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	68 min
May 31, 5:25 PM EDT	Severe Thunderstorm Warning	ALY	Greene	50 min

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.0 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: 728 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.9

Open this sounding in Storm Lab

Nearby

Severe Thunderstorm Watches in New York, 2002 Every severe thunderstorm watch in 2002

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.