Alert archive / West Virginia / Mesoscale Discussions in 2006

Mesoscale Discussion 412

April 2, 200611 counties in Kentucky; 22 counties in Ohio; 26 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2006, 11:44 PM EDT for 11 counties in Kentucky; 22 counties in Ohio; 26 counties in West Virginia. It was in force for 31 min.

The area

The outline as issued.

The facts

Issued
Apr 2, 2006, 11:44 PM EDT (03:44 UTC)
Expired
Apr 3, 2006, 12:15 AM EDT
In force
31 min
Issued by
the Storm Prediction Center
All 59 counties

Boyd County, KY, Carter County, KY, Elliott County, KY, Greenup County, KY, Johnson County, KY, Lawrence County, KY, Lewis County, KY, Magoffin County, KY, Martin County, KY, Morgan County, KY, Rowan County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Fairfield County, OH, Fayette County, OH, Gallia County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Madison County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Marshall County, WV, Mason County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 62 km from the middle of the area, began a volume at 03:48 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.7 hours before the alert went out and 158 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, Cncnati-Daytn, OH at 00:00Z 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, Cncnati-Daytn, OH at 00:00Z on 2006-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
1550 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 3, 12:01 AM EDTSevere Thunderstorm WatchSPCBoyd, Carter, Floyd, Greenup, Harlan, Johnson and 6 more3 hr
Apr 3, 10:40 AM EDTTornado WatchSPCBoyd, Carter, Greenup, Lewis6 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

Mesoscale Discussions in West Virginia, 2006Mesoscale Discussions in Ohio, 2006Mesoscale Discussions in Kentucky, 2006Every mesoscale discussion 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.