Alert archive / Ohio / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 745

September 20, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at Sep 20, 2000, 7:45 PM EDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Sep 20, 2000, 7:45 PM EDT (23:45 UTC)
Expired: Sep 21, 2000, 1:00 AM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 79 counties

Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Steuben County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Ashtabula County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Holmes County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Mahoning County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Portage County, OH, Ross County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cameron County, PA, Clarion County, PA, Crawford County, PA, Elk County, PA, Erie County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Harrison County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Tyler County, WV, Wetzel County, WV

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Sep 20, 7:50 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	40 min
Sep 20, 8:39 PM EDT	Severe Thunderstorm Warning	ILN	Pickaway, Ross	66 min
Sep 20, 8:40 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer	65 min
Sep 20, 8:50 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Licking	40 min
Sep 20, 8:53 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Perry	67 min
Sep 20, 9:12 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	33 min
Sep 20, 9:16 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	44 min
Sep 20, 9:19 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	41 min
Sep 20, 9:21 PM EDT	Severe Thunderstorm Warning	RLX	Athens	54 min
Sep 20, 9:24 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Wayne	21 min
Sep 20, 9:25 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	65 min
Sep 20, 9:42 PM EDT	Severe Thunderstorm Warning	CLE	Lake	48 min
Sep 20, 10:00 PM EDT	Severe Thunderstorm Warning	RLX	Morgan	45 min
Sep 20, 10:16 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Stark	59 min
Sep 20, 10:17 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Harrison, Tuscarawas	43 min
Sep 20, 10:19 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Washington	56 min
Sep 20, 10:20 PM EDT	Severe Thunderstorm Warning	PBZ	Noble	40 min
Sep 20, 10:27 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana	33 min
Sep 20, 10:42 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	33 min
Sep 20, 10:48 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	57 min
Sep 20, 11:00 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	45 min
Sep 20, 11:16 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	59 min
Sep 20, 11:23 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	52 min
Sep 20, 11:25 PM EDT	Severe Thunderstorm Warning	CTP	Warren	65 min
Sep 20, 11:42 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	48 min
Sep 20, 11:43 PM EDT	Severe Thunderstorm Warning	RLX	Tyler	47 min
Sep 20, 11:48 PM EDT	Severe Thunderstorm Warning	BUF	Erie	57 min
Sep 21, 12:05 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	55 min

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.8 hours before the alert went out and 75 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: 1712 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 328 m²/s²
0-3 km storm-relative helicity: 322 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.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 20, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	Allen, Ashland, Auglaize, Brown, Butler, Champaign and 43 more	6 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2000 Severe Thunderstorm Watches in Pennsylvania, 2000 Severe Thunderstorm Watches in New York, 2000 Every severe thunderstorm watch in 2000

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.