Alert archive / South Carolina / Mesoscale Discussions in 2007
Mesoscale Discussion 254
The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2007, 3:00 AM EST for Richmond County, Georgia; 11 counties in South Carolina. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2007, 3:00 AM EST (08:00 UTC)
- Expired
- Mar 2, 2007, 4:30 AM EST
- In force
- 90 min
- Issued by
- the Storm Prediction Center
Counties Richmond County, GA, Aiken County, SC, Calhoun County, SC, Clarendon County, SC, Fairfield County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 8 km from the middle of the area, began a volume at 08:01 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 8.0 hours before the alert went out and 148 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
- 16 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 488 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 1, 8:27 PM EST | Tornado Watch | SPC | Burke, Columbia, Elbert, Franklin, Habersham, Hart and 5 more | 9 hr |
| Mar 1, 8:39 PM EST | Tornado Watch | SPC | Baker, Baldwin, Banks, Barrow, Bartow, Ben Hill and 100 more | 8 hr |
| Mar 1, 10:11 PM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 27 more | 94 min |
| Mar 2, 12:54 AM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 20 more | 7 hr |
| Mar 2, 2:33 AM EST | Mesoscale Discussion | SPC | Atkinson, Berrien, Brooks, Coffee, Cook, Jeff Davis and 2 more | 87 min |
| Mar 2, 4:13 AM EST | Mesoscale Discussion | SPC | Appling, Bacon, Brantley, Bryan, Bulloch, Camden and 17 more | 62 min |
| Mar 2, 6:21 AM EST | Mesoscale Discussion | SPC | Camden, Chatham, Glynn, McIntosh | 84 min |
| Mar 1, 7:59 PM EST | Mesoscale Discussion | SPC | Aiken, Bamberg, Calhoun, Cherokee, Chester, Chesterfield and 18 more | 91 min |
| Mar 1, 11:44 PM EST | Mesoscale Discussion | SPC | Dillon, Florence, Horry, Marion, Marlboro | 91 min |
| Mar 2, 12:28 AM EST | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 8 hr |
Nearby
Mesoscale Discussions in South Carolina, 2007Mesoscale Discussions in Georgia, 2007Every mesoscale discussion 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.