Alert archive / South Carolina / Tornado Watches in 2007
Tornado Watch 12
The Storm Prediction Center issued this tornado watch at Jan 7, 2007, 8:44 PM EST for 7 counties in Georgia; 4 counties in North Carolina; 28 counties in South Carolina. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 7, 2007, 8:44 PM EST (01:44 UTC)
- Expired
- Jan 8, 2007, 12:03 AM EST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 39 counties
Burke County, GA, Columbia County, GA, Elbert County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Cabarrus County, NC, Gaston County, NC, Mecklenburg County, NC, Union County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Greenville 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, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Columbia radar (KCAE), 67 km from the middle of the area, began a volume at 01:43 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 30%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 9:53 PM EST | Severe Thunderstorm Warning | GSP | Elbert | 25 min |
| Jan 7, 10:13 PM EST | Severe Thunderstorm Warning | GSP | Abbeville | 38 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.7 hours before the alert went out and 272 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
- 199 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 8:18 PM EST | Mesoscale Discussion | SPC | Clarke, Elbert, Madison, Oconee, Oglethorpe, Wilkes | 87 min |
| Jan 7, 10:38 PM EST | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Calhoun, Clay, Crawford and 21 more | 67 min |
| Jan 8, 6:33 AM EST | Mesoscale Discussion | SPC | Beaufort, Camden, Carteret, Chowan, Currituck, Dare and 6 more | 87 min |
Nearby
Tornado Watches in South Carolina, 2007Tornado Watches in Georgia, 2007Tornado Watches in North Carolina, 2007Every tornado watch in 2007
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.