Alert archive / Kentucky / Mesoscale Discussions in 2003
Mesoscale Discussion 999
The Storm Prediction Center issued this mesoscale discussion at May 15, 2003, 3:20 PM EDT for 6 states. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- May 15, 2003, 3:20 PM EDT (19:20 UTC)
- Expired
- May 15, 2003, 4:45 PM EDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 162 counties
Clark County, IN, Floyd County, IN, Harrison County, IN, Ohio County, IN, Switzerland County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson 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, Grayson 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, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe 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, Simpson County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren 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, Clinton County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Anderson County, TN, Campbell County, TN, Claiborne County, TN, Clay County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Knox County, TN, Macon County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Roane County, TN, Robertson County, TN, Scott County, TN, Smith County, TN, Sullivan County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, White County, TN, Wilson County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Lincoln County, WV, Logan County, WV, Mingo County, WV, Wayne County, WV
The radar
The Jackson,KY radar (KJKL), 107 km from the middle of the area, began a volume at 19:22 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.3 hours before the alert went out and 229 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.
- Mixed-layer CAPE
- 663 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 8:56 PM EDT | Mesoscale Discussion | SPC | Adams, Benton, Blackford, Boone, Carroll, Cass and 28 more | 2 hr |
| May 14, 9:15 PM EDT | Mesoscale Discussion | SPC | Posey, Vanderburgh | 60 min |
| May 14, 9:30 PM EDT | Severe Thunderstorm Watch | SPC | Posey | 4 hr |
| May 14, 10:24 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Daviess, Dearborn and 25 more | 96 min |
| May 15, 11:15 AM EDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Dearborn, Dubois, Floyd, Harrison and 12 more | 6 hr |
| May 14, 11:10 PM EDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Carlisle, Crittenden, Fulton, Graves and 5 more | 2 hr |
| May 15, 7:52 AM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Boyle, Breathitt and 68 more | 2 hr |
| May 15, 1:22 PM EDT | Mesoscale Discussion | SPC | Adair, Barren, Bell, Boyle, Breathitt, Casey and 37 more | 53 min |
| May 15, 1:50 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Barren, Bell, Boyle, Breathitt, Casey and 41 more | 5 hr |
| May 15, 5:42 PM EDT | Mesoscale Discussion | SPC | Allen, Caldwell, Calloway, Christian, Graves, Logan and 9 more | 63 min |
| May 15, 6:10 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Christian, Logan, Monroe, Simpson, Todd and 1 more | 6 hr |
| May 15, 1:19 PM EDT | Mesoscale Discussion | SPC | Ashland, Auglaize, Carroll, Champaign, Columbiana, Coshocton and 24 more | 86 min |
| May 15, 12:08 PM EDT | Mesoscale Discussion | SPC | Carter, Johnson | 2 hr |
| May 15, 4:10 PM EDT | Severe Thunderstorm Watch | SPC | Carter, Cocke, Greene, Hamblen, Jefferson, Sevier and 2 more | 6 hr |
| May 15, 6:06 PM EDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Hamblen, Jefferson, Sevier and 2 more | 84 min |
| May 15, 7:39 PM EDT | Mesoscale Discussion | SPC | Sevier | 2 hr |
Nearby
Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in Ohio, 2003Every mesoscale discussion 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.