Alert archive / Kentucky / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 355

May 11, 200344 counties in Kentucky; Lee County, Virginia; Wayne County, West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 11, 2003, 6:05 AM EDT for 44 counties in Kentucky; Lee County, Virginia; Wayne County, West Virginia. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 11, 2003, 6:05 AM EDT (10:05 UTC)
Expired
May 11, 2003, 10:00 AM EDT
In force
4 hr
Issued by
the Storm Prediction Center
All 46 counties

Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Floyd County, KY, Garrard County, KY, Harlan County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Lee County, VA, Wayne County, WV

The radar

The Jackson,KY radar (KJKL), 84 km from the middle of the area, began a volume at 10:06 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

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

IssuedProductOfficeCountiesLasted
May 11, 6:13 AM EDTSevere Thunderstorm WarningJKLMcCreary47 min
May 11, 6:16 AM EDTSevere Thunderstorm WarningLMKLincoln34 min
May 11, 6:48 AM EDTSevere Thunderstorm WarningLMKGarrard, Madison37 min
May 11, 7:12 AM EDTSevere Thunderstorm WarningJKLEstill48 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.1 hours before the alert went out and 242 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 2003-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1265 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 2003-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 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
1265 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
3.2
Supercell composite
17.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 8:06 PM EDTMesoscale DiscussionSPCBallard, Calloway, Carlisle, Crittenden, Fulton, Graves and 5 more54 min
May 10, 9:28 PM EDTMesoscale DiscussionSPCBreathitt, Floyd, Johnson, Knott, Magoffin, Martin and 1 more62 min
May 10, 9:45 PM EDTTornado WatchSPCBallard, Carlisle, Fulton, Graves, Hickman, Livingston and 2 more5 hr
May 10, 10:10 PM EDTTornado WatchSPCOldham5 hr
May 10, 11:04 PM EDTMesoscale DiscussionSPCAllen, Barren, Breckinridge, Butler, Caldwell, Calloway and 23 more116 min
May 11, 12:20 AM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Bourbon, Boyle and 38 more6 hr
May 11, 12:28 AM EDTMesoscale DiscussionSPCBoone, Bracken, Campbell, Carroll, Gallatin, Grant and 2 more2 hr
May 11, 2:46 AM EDTMesoscale DiscussionSPCAllen, Anderson, Barren, Bourbon, Boyle, Breckinridge and 46 more89 min
May 11, 5:16 AM EDTMesoscale DiscussionSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 68 more59 min
May 11, 6:55 AM EDTSevere Thunderstorm WatchSPCBell, Harlan5 hr
May 11, 3:18 PM EDTMesoscale DiscussionSPCAccomack, Arlington, Caroline, Charles City, Chesterfield, Clarke and 34 more117 min
May 11, 10:30 AM EDTMesoscale DiscussionSPCBrooke, Doddridge, Hancock, Harrison, Marion, Marshall and 9 more2 hr
May 11, 11:45 AM EDTTornado WatchSPCBrooke, Hancock, Marshall, Monongalia, Ohio, Wetzel5 hr
May 11, 2:52 PM EDTMesoscale DiscussionSPCBrooke, Hancock, Marshall, Monongalia, Ohio, Wetzel113 min

Nearby

Severe Thunderstorm Watches in Kentucky, 2003Severe Thunderstorm Watches in Virginia, 2003Severe Thunderstorm Watches in West Virginia, 2003Every severe thunderstorm watch in 2003

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.