Alert archive / South Carolina / Tornado Watches in 2007

Tornado Watch 49

March 1, 200711 counties in Georgia; 16 counties in North Carolina; 30 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Mar 1, 2007, 8:27 PM EST for 11 counties in Georgia; 16 counties in North Carolina; 30 counties in South Carolina. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 2007, 8:27 PM EST (01:27 UTC)
Expired
Mar 2, 2007, 5:00 AM EST
In force
9 hr
Issued by
the Storm Prediction Center
All 57 counties

Burke County, GA, Columbia County, GA, Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Rabun County, GA, Richmond County, GA, Stephens County, GA, Alexander County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford 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, Oconee County, SC, Orangeburg County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 39 km from the middle of the area, began a volume at 01:28 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

14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 1, 10:16 PM ESTTornado WarningGSPAbbeville, Greenwood23 min
Mar 2, 12:06 AM ESTTornado WarningCAEColumbia, Lincoln19 min
Mar 2, 12:38 AM ESTSevere Thunderstorm WarningCAEEdgefield, Saluda52 min
Mar 2, 12:57 AM ESTSevere Thunderstorm WarningCAELexington63 min
Mar 2, 1:04 AM ESTSevere Thunderstorm WarningCAEColumbia, McDuffie56 min
Mar 2, 1:16 AM ESTSevere Thunderstorm WarningCAERichmond59 min
Mar 2, 1:22 AM ESTSevere Thunderstorm WarningCAEAiken53 min
Mar 2, 1:37 AM ESTSevere Thunderstorm WarningCAEFairfield53 min
Mar 2, 2:00 AM ESTTornado WarningCAEAiken45 min
Mar 2, 2:08 AM ESTSevere Thunderstorm WarningCAELexington, Richland82 min
Mar 2, 2:36 AM ESTSevere Thunderstorm WarningCAECalhoun, Orangeburg69 min
Mar 2, 3:19 AM ESTSevere Thunderstorm WarningCAEAiken41 min
Mar 2, 3:24 AM ESTSevere Thunderstorm WarningCAESumter53 min
Mar 2, 3:38 AM ESTSevere Thunderstorm WarningCAELee41 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.5 hours before the alert went out and 239 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2007-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2007-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 462 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
46 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
462 m²/s²
0-3 km storm-relative helicity
675 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 8:39 PM ESTTornado WatchSPCBaker, Baldwin, Banks, Barrow, Bartow, Ben Hill and 100 more8 hr
Mar 1, 10:11 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 27 more94 min
Mar 2, 12:54 AM ESTTornado WatchSPCAppling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 20 more7 hr
Mar 2, 2:33 AM ESTMesoscale DiscussionSPCAtkinson, Berrien, Brooks, Coffee, Cook, Jeff Davis and 2 more87 min
Mar 2, 3:00 AM ESTMesoscale DiscussionSPCRichmond90 min
Mar 2, 4:13 AM ESTMesoscale DiscussionSPCAppling, Bacon, Brantley, Bryan, Bulloch, Camden and 17 more62 min
Mar 2, 6:21 AM ESTMesoscale DiscussionSPCCamden, Chatham, Glynn, McIntosh84 min
Mar 1, 7:59 PM ESTMesoscale DiscussionSPCUnion91 min
Mar 1, 11:44 PM ESTMesoscale DiscussionSPCAlamance, Beaufort, Bertie, Bladen, Brunswick, Caswell and 40 more91 min
Mar 2, 12:28 AM ESTTornado WatchSPCAlamance, Anson, Bladen, Brunswick, Chatham, Columbus and 31 more8 hr
Mar 2, 1:45 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 19 more90 min
Mar 2, 2:45 AM ESTTornado WatchSPCBeaufort, Carteret, Craven, Dare, Duplin, Greene and 10 more7 hr
Mar 2, 3:37 AM ESTMesoscale DiscussionSPCBertie, Camden, Caswell, Chowan, Currituck, Durham and 16 more83 min
Mar 2, 5:10 AM ESTTornado WatchSPCBertie, Camden, Chowan, Currituck, Gates, Hertford and 3 more6 hr
Mar 2, 8:25 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more95 min

Nearby

Tornado Watches in South Carolina, 2007Tornado Watches in North Carolina, 2007Tornado Watches in Georgia, 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.