Alert archive / South Carolina / Mesoscale Discussions in 2008

Mesoscale Discussion 352

March 4, 20088 counties in Georgia; 4 counties in North Carolina; 25 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2008, 5:48 PM EST for 8 counties in Georgia; 4 counties in North Carolina; 25 counties in South Carolina. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued
Mar 4, 2008, 5:48 PM EST (22:48 UTC)
Expired
Mar 4, 2008, 6:45 PM EST
In force
57 min
Issued by
the Storm Prediction Center
All 37 counties

Bryan County, GA, Bulloch County, GA, Burke County, GA, Chatham County, GA, Effingham County, GA, Liberty County, GA, Richmond County, GA, Screven County, GA, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Robeson County, NC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 84 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 74 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, Charleston AFB, SC at 12:00Z on 2008-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 458 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2008-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.193958Sfc1 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
458 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 4, 2:09 AM ESTMesoscale DiscussionSPCChattooga, Dade, Walker66 min
Mar 4, 2:25 AM ESTTornado WatchSPCCarroll, Catoosa, Chattooga, Dade, Floyd, Gordon and 7 more8 hr
Mar 4, 3:30 AM ESTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Decatur, Dougherty and 19 more90 min
Mar 4, 4:21 AM ESTTornado WatchSPCBaker, Calhoun, Clay, Decatur, Dougherty, Early and 8 more9 hr
Mar 4, 5:55 AM ESTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Butts, Carroll, Chattahoochee and 51 more95 min
Mar 4, 11:17 AM ESTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 48 more118 min
Mar 4, 11:56 AM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 79 more2 hr
Mar 4, 12:04 PM ESTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 96 more8 hr
Mar 4, 2:30 PM ESTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 40 more90 min
Mar 4, 4:31 PM ESTTornado WatchSPCLincoln8 hr
Mar 4, 6:27 PM ESTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 11 more7 hr
Mar 4, 6:33 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Chowan and 34 more87 min
Mar 4, 2:03 PM ESTMesoscale DiscussionSPCAnson, Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg and 2 more117 min
Mar 4, 5:53 PM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 18 more9 hr

Nearby

Mesoscale Discussions in South Carolina, 2008Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in North Carolina, 2008Every mesoscale discussion in 2008

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.