Alert archive / South Carolina / Mesoscale Discussions in 2003
Mesoscale Discussion 2093
The Storm Prediction Center issued this mesoscale discussion at Aug 5, 2003, 1:35 PM EDT for Columbia County, Lincoln County, Richmond County, Georgia; 24 counties in South Carolina. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2003, 1:35 PM EDT (17:35 UTC)
- Expired
- Aug 5, 2003, 3:30 PM EDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 27 counties
Columbia County, GA, Lincoln County, GA, Richmond County, GA, Abbeville County, SC, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Clarendon County, SC, Darlington County, SC, Edgefield County, SC, Fairfield County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Union County, SC
The radar
The Columbia radar (KCAE), 40 km from the middle of the area, began a volume at 17:35 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
Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 196 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
- 1062 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 4, 9:59 PM EDT | Mesoscale Discussion | SPC | Banks, Bartow, Catoosa, Chattooga, Cherokee, Dawson and 17 more | 2 hr |
| 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 |
Nearby
Mesoscale Discussions in South Carolina, 2003Mesoscale Discussions in Georgia, 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.