Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 345

March 4, 20085 states

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2008, 10:17 AM CST for 5 states. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued
Mar 4, 2008, 10:17 AM CST (16:17 UTC)
Expired
Mar 4, 2008, 12:15 PM CST
In force
118 min
Issued by
the Storm Prediction Center
All 96 counties

Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, DeKalb County, AL, Lee County, AL, Macon County, AL, Randolph County, AL, Tallapoosa County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Hart County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Stephens County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Buncombe County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Anderson County, SC, Oconee County, SC, Pickens County, SC, Blount County, TN, Bradley County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN

The radar

The Atlanta radar (KFFC), 132 km from the middle of the area, began a volume at 16:17 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.3 hours before the alert went out and 131 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, 8:59 PM CSTMesoscale DiscussionSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Crenshaw and 10 more61 min
Mar 3, 9:56 PM CSTTornado WatchSPCBaldwin, Bibb, Butler, Choctaw, Clarke, Conecuh and 16 more7 hr
Mar 4, 1:09 AM CSTMesoscale DiscussionSPCBlount, Cherokee, Cullman, DeKalb, Etowah, Fayette and 10 more66 min
Mar 4, 1:25 AM CSTTornado WatchSPCAutauga, Barbour, Blount, Bullock, Calhoun, Chambers and 28 more8 hr
Mar 4, 2:30 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 23 more90 min
Mar 4, 3:21 AM CSTTornado WatchSPCBaldwin, Butler, Coffee, Conecuh, Covington, Crenshaw and 6 more9 hr
Mar 4, 4:55 AM CSTMesoscale DiscussionSPCBullock, Chambers, Clay, Cleburne, Coosa, Elmore and 6 more95 min
Mar 4, 10:56 AM CSTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 79 more2 hr
Mar 4, 11:04 AM CSTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 96 more8 hr
Mar 4, 1:30 PM CSTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 40 more90 min
Mar 4, 3:31 PM CSTTornado WatchSPCLincoln8 hr
Mar 4, 4:48 PM CSTMesoscale DiscussionSPCBryan, Bulloch, Burke, Chatham, Effingham, Liberty and 2 more57 min
Mar 4, 5:27 PM CSTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 11 more7 hr
Mar 4, 5:33 AM CSTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Chowan and 34 more87 min
Mar 4, 1:03 PM CSTMesoscale DiscussionSPCAnson, Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg and 2 more117 min
Mar 4, 4:53 PM CSTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 18 more9 hr
Mar 4, 9:38 AM CSTMesoscale DiscussionSPCBledsoe, Campbell, Cannon, Clay, Cumberland, DeKalb and 14 more2 hr

Nearby

Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Tennessee, 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.