Alert archive / Georgia / Mesoscale Discussions in 2003
Mesoscale Discussion 2089
The Storm Prediction Center issued this mesoscale discussion at Aug 4, 2003, 9:59 PM EDT for 7 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2003, 9:59 PM EDT (01:59 UTC)
- Expired
- Aug 5, 2003, 12:00 AM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 83 counties
Banks County, GA, Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Hall County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Bell County, KY, Harlan County, KY, Knott County, KY, Letcher County, KY, Perry County, KY, Pike County, KY, Ashe County, NC, Avery County, NC, Buncombe 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, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Yancey County, NC, Oconee County, SC, Blount County, TN, Bradley 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, Monroe County, TN, Polk County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, McDowell County, WV, Mercer County, WV
The radar
The Knoxville radar (KMRX), 75 km from the middle of the area, began a volume at 02:01 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.0 hours before the alert went out and 264 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
- 2177 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
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 5, 1:35 PM EDT | Mesoscale Discussion | SPC | Columbia, Lincoln, Richmond | 115 min |
| Aug 5, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Lincoln, Wilkes | 4 hr |
| Aug 5, 6:01 PM EDT | Mesoscale Discussion | SPC | Clarke, Columbia, Elbert, Franklin, Greene, Hart and 8 more | 59 min |
| Aug 5, 12:02 AM EDT | Mesoscale Discussion | SPC | Fulton | 88 min |
| Aug 5, 12:49 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Cabarrus, Caswell, Chatham, Cumberland and 30 more | 116 min |
| Aug 5, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Cabarrus, Caswell, Catawba, Chatham and 24 more | 6 hr |
| Aug 5, 6:50 PM EDT | Severe Thunderstorm Watch | SPC | Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 17 more | 4 hr |
| Aug 4, 9:10 PM EDT | Mesoscale Discussion | SPC | Carroll, Chester, Crockett, Dyer, Fayette, Gibson and 8 more | 95 min |
| Aug 4, 10:00 PM EDT | Severe Thunderstorm Watch | SPC | Chester, Crockett, Fayette, Hardeman, Hardin, Haywood and 6 more | 6 hr |
| Aug 5, 2:28 AM EDT | Mesoscale Discussion | SPC | Chester, Crockett, Decatur, Fayette, Hardeman, Hardin and 7 more | 62 min |
Nearby
Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in North Carolina, 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.