Alert archive / Kentucky / Mesoscale Discussions in 2003
Mesoscale Discussion 2083
The Storm Prediction Center issued this mesoscale discussion at Aug 4, 2003, 6:43 PM EDT for 8 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2003, 6:43 PM EDT (22:43 UTC)
- Expired
- Aug 4, 2003, 8:45 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 171 counties
Dawson County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, White County, GA, Bath County, KY, Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Jackson 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, Lewis 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, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Whitley County, KY, Wolfe County, KY, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yancey County, NC, Adams County, OH, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Monroe County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Greenville County, SC, Oconee County, SC, Pickens County, SC, Anderson County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Alleghany County, VA, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Covington, VA, City of Galax, VA, City of Norton, VA, City of Radford, VA, Craig County, VA, Dickenson County, VA, Giles County, VA, Grayson County, VA, Lee County, VA, Pulaski County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Tyler County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Knoxville radar (KMRX), 77 km from the middle of the area, began a volume at 22:45 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 288 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
- 384 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 |
|---|---|---|---|---|
| Aug 4, 7:10 PM EDT | Severe Thunderstorm Watch | SPC | Banks, Bartow, Catoosa, Chattooga, Cherokee, Dawson and 18 more | 5 hr |
| Aug 4, 1:52 PM EDT | Mesoscale Discussion | SPC | Adair, Anderson, Bath, Bourbon, Boyle, Bracken and 44 more | 113 min |
| Aug 4, 2:43 PM EDT | Mesoscale Discussion | SPC | Ballard, Calloway, Carlisle, Christian, Fulton, Graves and 7 more | 2 hr |
| Aug 4, 3:40 PM EDT | Severe Thunderstorm Watch | SPC | Fulton, Hickman | 6 hr |
Nearby
Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in West Virginia, 2003Mesoscale Discussions in Tennessee, 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.