Alert archive / Ohio / Tornado Watches in 2006

Tornado Watch 146

April 3, 20064 states

The Storm Prediction Center issued this tornado watch at Apr 3, 2006, 10:40 AM EDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 3, 2006, 10:40 AM EDT (14:40 UTC)
Expired
Apr 3, 2006, 5:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 87 counties

Boyd County, KY, Carter County, KY, Greenup County, KY, Lewis County, KY, Ashtabula County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Lake County, OH, Lawrence County, OH, Mahoning County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pike County, OH, Portage County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler 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, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Pittsburgh radar (KPBZ), 60 km from the middle of the area, began a volume at 14:42 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

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

IssuedProductOfficeCountiesLasted
Apr 3, 12:02 PM EDTSevere Thunderstorm WarningPBZMonroe, Noble43 min
Apr 3, 12:05 PM EDTSevere Thunderstorm WarningPBZHarrison, Jefferson40 min
Apr 3, 12:59 PM EDTSevere Thunderstorm WarningCLECrawford61 min
Apr 3, 1:07 PM EDTSevere Thunderstorm WarningCLEErie53 min
Apr 3, 1:42 PM EDTSevere Thunderstorm WarningPBZArmstrong, Butler63 min
Apr 3, 1:46 PM EDTSevere Thunderstorm WarningPBZAllegheny29 min
Apr 3, 1:54 PM EDTSevere Thunderstorm WarningPBZWestmoreland36 min
Apr 3, 2:24 PM EDTSevere Thunderstorm WarningPBZClarion, Jefferson51 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 2.7 hours before the alert went out and 71 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 12:00Z on 2006-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2006-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 8:06 PM EDTMesoscale DiscussionSPCAdair, Allen, Ballard, Barren, Breckinridge, Butler and 36 more84 min
Apr 2, 9:40 PM EDTTornado WatchSPCAdair, Anderson, Bath, Bell, Boone, Bourbon and 62 more6 hr
Apr 2, 10:10 PM EDTMesoscale DiscussionSPCAllen, Butler, Christian, Logan, Simpson, Todd and 1 more2 hr
Apr 2, 10:27 PM EDTMesoscale DiscussionSPCAnderson, Bath, Boone, Bourbon, Boyd, Bracken and 41 more93 min
Apr 2, 11:44 PM EDTMesoscale DiscussionSPCBoyd, Carter, Elliott, Greenup, Johnson, Lawrence and 5 more31 min
Apr 3, 12:01 AM EDTSevere Thunderstorm WatchSPCBoyd, Carter, Floyd, Greenup, Harlan, Johnson and 6 more3 hr
Apr 2, 9:07 PM EDTSevere Thunderstorm WatchSPCAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more2 hr
Apr 3, 10:24 AM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Columbiana, Coshocton and 37 more66 min
Apr 3, 2:14 PM EDTMesoscale DiscussionSPCBelmont, Columbiana, Jefferson, Mahoning, Monroe, Trumbull2 hr
Apr 3, 4:15 PM EDTTornado WatchSPCBerkeley, Hampshire, Hardy, Jefferson, Mineral, Morgan7 hr

Nearby

Tornado Watches in Ohio, 2006Tornado Watches in West Virginia, 2006Tornado Watches in Pennsylvania, 2006Every tornado watch in 2006

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.