Alert archive / West Virginia / Severe Thunderstorm Watches in 2006

Severe Thunderstorm Watch 166

April 7, 20065 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 7, 2006, 5:43 PM EDT for 5 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 7, 2006, 5:43 PM EDT (21:43 UTC)
Expired
Apr 8, 2006, 12:59 AM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 104 counties

Garrett County, MD, Ashland County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Cuyahoga County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lorain County, OH, Mahoning County, OH, Medina County, OH, Monroe County, OH, Muskingum County, OH, Noble 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, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Alleghany County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, City of Martinsville, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Hancock County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, McDowell County, WV, Mercer County, WV, Monongalia County, WV, Monroe County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Preston County, WV, Raleigh County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wyoming County, WV

The radar

The Pittsburgh radar (KPBZ), 138 km from the middle of the area, began a volume at 21:46 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

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

IssuedProductOfficeCountiesLasted
Apr 7, 5:45 PM EDTSevere Thunderstorm WarningCLEMedina, Summit45 min
Apr 7, 5:51 PM EDTSevere Thunderstorm WarningCLECuyahoga39 min
Apr 7, 5:53 PM EDTSevere Thunderstorm WarningPBZMuskingum67 min
Apr 7, 5:53 PM EDTSevere Thunderstorm WarningRNKGreenbrier29 min
Apr 7, 6:10 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh35 min
Apr 7, 6:12 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington33 min
Apr 7, 6:15 PM EDTSevere Thunderstorm WarningRLXWyoming30 min
Apr 7, 6:20 PM EDTSevere Thunderstorm WarningCLEPortage32 min
Apr 7, 6:27 PM EDTSevere Thunderstorm WarningRNKGreenbrier, Summers44 min
Apr 7, 6:28 PM EDTSevere Thunderstorm WarningPBZCoshocton32 min
Apr 7, 6:29 PM EDTSevere Thunderstorm WarningPBZNoble31 min
Apr 7, 6:30 PM EDTSevere Thunderstorm WarningRNKBath, Rockbridge, City of Lexington45 min
Apr 7, 7:00 PM EDTSevere Thunderstorm WarningRNKAlleghany, City of Covington28 min
Apr 7, 7:23 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Grayson, Montgomery, Pulaski, Roanoke and 6 more52 min
Apr 7, 7:33 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Campbell, Rockbridge, City of Buena Vista and 2 more57 min
Apr 7, 7:56 PM EDTSevere Thunderstorm WarningPBZFayette49 min
Apr 7, 8:17 PM EDTSevere Thunderstorm WarningRNKCarroll, City of Galax43 min
Apr 7, 10:49 PM EDTSevere Thunderstorm WarningRNKGrayson56 min
Apr 7, 11:37 PM EDTSevere Thunderstorm WarningRNKCarroll, City of Galax38 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, 9.7 hours before the alert went out and 130 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 2006-04-07Temperature 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 2006-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 square meters per square second.19395878Sfc1 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
492 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
331 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 7, 4:57 PM EDTMesoscale DiscussionSPCGarrett93 min
Apr 7, 1:23 PM EDTMesoscale DiscussionSPCAuglaize, Butler, Champaign, Clark, Clinton, Darke and 8 more2 hr
Apr 7, 2:35 PM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Athens, Auglaize, Belmont and 64 more55 min
Apr 7, 3:08 PM EDTTornado WatchSPCAdams, Athens, Auglaize, Brown, Butler, Champaign and 35 more8 hr
Apr 7, 6:38 PM EDTMesoscale DiscussionSPCAlbemarle, Amelia, Amherst, Appomattox, Augusta, Buckingham and 26 more97 min
Apr 7, 7:19 PM EDTSevere Thunderstorm WatchSPCAlbemarle, Amelia, Amherst, Appomattox, Augusta, Bedford and 37 more6 hr

Nearby

Severe Thunderstorm Watches in West Virginia, 2006Severe Thunderstorm Watches in Virginia, 2006Severe Thunderstorm Watches in Ohio, 2006Every severe thunderstorm 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.