Alert archive / Kentucky / Mesoscale Discussions in 2005

Mesoscale Discussion 922

May 19, 20056 states

The Storm Prediction Center issued this mesoscale discussion at May 19, 2005, 8:31 PM CDT for 6 states. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
May 19, 2005, 8:31 PM CDT (01:31 UTC)
Expired
May 19, 2005, 10:00 PM CDT
In force
89 min
Issued by
the Storm Prediction Center
All 169 counties

Clark County, IL, Crawford County, IL, Edgar County, IL, Lawrence County, IL, Wabash County, IL, Bartholomew County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Decatur County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Greene County, IN, Harrison County, IN, Hendricks County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Ripley County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Carroll County, KY, Carter County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Henderson County, KY, Henry County, KY, Hopkins County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson 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, Lincoln County, KY, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, McCreary County, KY, McLean County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Owsley 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, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Union County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Webster County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Claiborne County, TN, Clay County, TN, Fentress County, TN, Hancock County, TN, Jackson County, TN, Macon County, TN, Montgomery County, TN, Overton County, TN, Pickett County, TN, Robertson County, TN, Scott County, TN, Sumner County, TN, Trousdale County, TN, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Wise County, VA, Logan County, WV, McDowell County, WV, Mingo County, WV, Wayne County, WV, Wyoming County, WV

The radar

The Louisville radar (KLVX), 60 km from the middle of the area, began a volume at 01:34 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, 1.5 hours before the alert went out and 191 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 2005-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 608 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 00:00Z on 2005-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
608 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
537 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.4

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
May 19, 8:50 PM CDTSevere Thunderstorm WatchSPCLawrence, Wabash5 hr
May 19, 10:24 PM CDTMesoscale DiscussionSPCAlexander, Bond, Christian, Clay, Clinton, Coles and 34 more2 hr
May 19, 11:30 PM CDTSevere Thunderstorm WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 16 more7 hr
May 20, 4:18 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more57 min
May 19, 9:05 PM CDTSevere Thunderstorm WatchSPCAdair, Allen, Anderson, Barren, Bath, Bell and 66 more5 hr
May 20, 1:30 AM CDTSevere Thunderstorm WatchSPCAdair, Allen, Barren, Butler, Clinton, Cumberland and 15 more8 hr
May 19, 11:56 PM CDTMesoscale DiscussionSPCBlount, Carter, Cocke, Greene, Hamblen, Jefferson and 7 more2 hr
May 19, 11:58 PM CDTMesoscale DiscussionSPCBlount, Carter, Cocke, Greene, Hamblen, Jefferson and 7 more2 hr
May 20, 1:00 AM CDTSevere Thunderstorm WatchSPCJohnson7 hr
May 20, 7:42 AM CDTMesoscale DiscussionSPCBedford, Bledsoe, Bradley, Cannon, Cheatham, Coffee and 43 more93 min
May 20, 8:40 AM CDTSevere Thunderstorm WatchSPCFranklin, Giles, Lawrence, Lewis, Lincoln, Marshall and 4 more7 hr
May 20, 12:55 PM CDTMesoscale DiscussionSPCFranklin, Giles, Lawrence, Lewis, Lincoln, Marshall and 4 more65 min
May 20, 2:45 PM CDTMesoscale DiscussionSPCBledsoe, Blount, Bradley, Cumberland, Grundy, Hamilton and 10 more60 min

Nearby

Mesoscale Discussions in Kentucky, 2005Mesoscale Discussions in Indiana, 2005Mesoscale Discussions in Tennessee, 2005Every mesoscale discussion in 2005

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.