Alert archive / Kentucky / Mesoscale Discussions in 2008

Mesoscale Discussion 183

February 6, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2008, 11:54 AM EST for 4 states. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
Feb 6, 2008, 11:54 AM EST (16:54 UTC)
Expired
Feb 6, 2008, 1:30 PM EST
In force
96 min
Issued by
the Storm Prediction Center
All 110 counties

Clark County, IN, Floyd County, IN, Jefferson County, IN, Ohio County, IN, Scott County, IN, Switzerland County, IN, Adair County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Green County, KY, Greenup County, KY, Hardin County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Boone County, WV, Cabell County, WV, Jackson County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wood County, WV

The radar

The Jackson,KY radar (KJKL), 62 km from the middle of the area, began a volume at 16:55 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.9 hours before the alert went out and 156 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 12:00Z on 2008-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Cncnati-Daytn, OH at 12:00Z on 2008-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939587897117136Sfc1 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
669 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Feb 5, 7:15 PM ESTMesoscale DiscussionSPCBartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 21 more90 min
Feb 5, 8:08 PM ESTTornado WatchSPCBartholomew, Brown, Clark, Clay, Crawford, Daviess and 38 more6 hr
Feb 5, 10:19 PM ESTMesoscale DiscussionSPCClark, Crawford, Dearborn, Decatur, Floyd, Franklin and 11 more86 min
Feb 6, 7:07 AM ESTMesoscale DiscussionSPCLake, Porter6 hr
Feb 5, 9:07 PM ESTMesoscale DiscussionSPCBallard, Calloway, Carlisle, Crittenden, Fulton, Graves and 5 more83 min
Feb 6, 12:41 AM ESTTornado WatchSPCAdair, Allen, Barren, Bath, Bourbon, Boyd and 44 more5 hr
Feb 6, 2:31 AM ESTSevere Thunderstorm WatchSPCBell, Floyd, Harlan, Knott, Leslie, Letcher and 3 more3 hr
Feb 6, 2:48 AM ESTMesoscale DiscussionSPCBath, Bell, Boyd, Breathitt, Carter, Clay and 37 more87 min
Feb 6, 4:49 AM ESTMesoscale DiscussionSPCLetcher86 min
Feb 6, 8:49 AM ESTMesoscale DiscussionSPCPike116 min
Feb 6, 6:09 PM ESTMesoscale DiscussionSPCBarbour, Braxton, Grant, Greenbrier, Harrison, Lewis and 14 more66 min

Nearby

Mesoscale Discussions in Kentucky, 2008Mesoscale Discussions in West Virginia, 2008Mesoscale Discussions in Ohio, 2008Every mesoscale discussion in 2008

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.