Alert archive / South Carolina / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 841
The Storm Prediction Center issued this severe thunderstorm watch at Aug 5, 2003, 2:45 PM EDT for Lincoln County, Wilkes County, Georgia; Anson County, Richmond County, Union County, North Carolina; 25 counties in South Carolina. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2003, 2:45 PM EDT (18:45 UTC)
- Expired
- Aug 5, 2003, 7:00 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Lincoln County, GA, Wilkes County, GA, Anson County, NC, Richmond County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Columbia radar (KCAE), 53 km from the middle of the area, began a volume at 18:44 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:32 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Richland | 43 min |
| Aug 5, 3:58 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, York | 62 min |
| Aug 5, 5:43 PM EDT | Severe Thunderstorm Warning | CAE | Chesterfield | 32 min |
| Aug 5, 5:48 PM EDT | Severe Thunderstorm Warning | RAH | Richmond | 57 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
Charleston AFB, SC (KCHS), launched 12:00Z, 6.8 hours before the alert went out and 209 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
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, 1:35 PM EDT | Mesoscale Discussion | SPC | Columbia, Lincoln, Richmond | 115 min |
| Aug 5, 6:01 PM EDT | Mesoscale Discussion | SPC | Clarke, Columbia, Elbert, Franklin, Greene, Hart and 8 more | 59 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 |
Nearby
Severe Thunderstorm Watches in South Carolina, 2003Severe Thunderstorm Watches in North Carolina, 2003Severe Thunderstorm Watches in Georgia, 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.