Alert archive / Ohio / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 800

November 9, 200027 counties in Ohio; 14 counties in Pennsylvania; Brooke County, Hancock County, West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Nov 9, 2000, 7:30 PM EST for 27 counties in Ohio; 14 counties in Pennsylvania; Brooke County, Hancock County, West Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Nov 9, 2000, 7:30 PM EST (00:30 UTC)
Expired
Nov 10, 2000, 12:00 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 43 counties

Ashland County, OH, Ashtabula County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Geauga County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Mahoning County, OH, Medina County, OH, Morrow County, OH, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Crawford County, PA, Forest County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Warren County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV

The radar

The Cleveland radar (KCLE), 68 km from the middle of the area, began a volume at 00:32 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

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

IssuedProductOfficeCountiesLasted
Nov 9, 10:11 PM ESTSevere Thunderstorm WarningPBZWestmoreland64 min
Nov 9, 10:22 PM ESTSevere Thunderstorm WarningPBZAllegheny53 min
Nov 9, 10:25 PM ESTSevere Thunderstorm WarningPBZArmstrong, Indiana65 min

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.5 hours before the alert went out and 119 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2000-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2000-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
38 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
187 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.

IssuedProductOfficeCountiesLasted
Nov 9, 9:00 PM ESTSevere Thunderstorm WatchSPCAllegheny, Fayette, Greene, Somerset, Washington, Westmoreland3 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2000Severe Thunderstorm Watches in Pennsylvania, 2000Severe Thunderstorm Watches in West Virginia, 2000Every 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; radar from the NEXRAD Level II archive.