Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 346

March 4, 200810 counties in Florida; 85 counties in Georgia; Allendale County, South Carolina

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2008, 11:56 AM EST for 10 counties in Florida; 85 counties in Georgia; Allendale County, South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 4, 2008, 11:56 AM EST (16:56 UTC)
Expired
Mar 4, 2008, 2:00 PM EST
In force
2 hr
Issued by
the Storm Prediction Center
All 96 counties

Baker County, FL, Columbia County, FL, Gadsden County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Calhoun County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Glynn County, GA, Grady County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, Macon County, GA, McDuffie County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Randolph County, GA, Richmond County, GA, Schley County, GA, Screven County, GA, Seminole County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Allendale County, SC

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.9 hours before the alert went out and 244 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
451 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 3, 9:59 PM ESTMesoscale DiscussionSPCEscambia, Santa Rosa61 min
Mar 3, 10:56 PM ESTTornado WatchSPCEscambia, Okaloosa, Santa Rosa7 hr
Mar 4, 3:30 AM ESTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gadsden, Gulf, Holmes and 6 more90 min
Mar 4, 4:21 AM ESTTornado WatchSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 9 more9 hr
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, 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, 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, 5:48 PM ESTMesoscale DiscussionSPCBryan, Bulloch, Burke, Chatham, Effingham, Liberty and 2 more57 min
Mar 4, 6:27 PM ESTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 11 more7 hr
Mar 4, 6:33 AM ESTMesoscale DiscussionSPCBerkeley, Calhoun, Clarendon, Colleton, Darlington, Dillon and 10 more87 min
Mar 4, 2:03 PM ESTMesoscale DiscussionSPCAbbeville, Cherokee, Chester, Fairfield, Greenville, Greenwood and 10 more117 min

Nearby

Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Florida, 2008Mesoscale Discussions in South 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.