Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 180

February 6, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2008, 6:10 AM CST for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Feb 6, 2008, 6:10 AM CST (12:10 UTC)
Expired
Feb 6, 2008, 8:15 AM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 97 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Escambia County, AL, Etowah County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Bartow County, GA, Calhoun County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, DeKalb County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Floyd County, GA, Fulton County, GA, Gordon County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Lamar County, GA, Marion County, GA, Meriwether County, GA, Murray County, GA, Muscogee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Talbot County, GA, Taylor County, GA, Troup County, GA, Upson County, GA, Walker County, GA, Webster County, GA, Whitfield County, GA, Bradley County, TN, Hamilton County, TN, McMinn County, TN, Meigs County, TN, Polk County, TN, Rhea County, TN

The watches that followed

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.2 hours before the alert went out and 105 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, Birmingham, AL at 12:00Z on 2008-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 118 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, Birmingham, AL at 12:00Z on 2008-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 467 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
118 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
467 m²/s²
0-3 km storm-relative helicity
528 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

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
Feb 5, 9:39 PM CSTMesoscale DiscussionSPCBlount, Colbert, Cullman, Fayette, Franklin, Jackson and 10 more96 min
Feb 5, 10:01 PM CSTTornado WatchSPCBibb, Blount, Colbert, Cullman, DeKalb, Etowah and 23 more8 hr
Feb 6, 1:23 AM CSTTornado WatchSPCChoctaw, Clarke, Mobile, Washington6 hr
Feb 6, 2:41 AM CSTMesoscale DiscussionSPCBibb, Blount, Calhoun, Cherokee, Colbert, Cullman and 25 more2 hr
Feb 6, 4:06 AM CSTTornado WatchSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 24 more6 hr
Feb 6, 4:27 AM CSTMesoscale DiscussionSPCBaldwin, Butler, Clarke, Coffee, Conecuh, Covington and 7 more2 hr
Feb 6, 5:04 AM CSTTornado WatchSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more5 hr
Feb 6, 7:06 AM CSTTornado WatchSPCBarbour, Bullock, Chambers, Coffee, Dale, Geneva and 6 more6 hr
Feb 6, 10:20 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Dale, Geneva, Henry and 3 more85 min
Feb 6, 1:52 PM CSTMesoscale DiscussionSPCBaker, Columbia, Duval, Franklin, Gadsden, Gulf and 10 more53 min
Feb 6, 7:49 AM CSTMesoscale DiscussionSPCFannin, Gilmer, Habersham, Lumpkin, Murray, Rabun and 4 more116 min
Feb 5, 6:59 PM CSTMesoscale DiscussionSPCCheatham, Davidson, Dickson, Giles, Hickman, Houston and 12 more91 min
Feb 5, 7:19 PM CSTTornado WatchSPCBenton, Cheatham, Davidson, Dickson, Giles, Hickman and 17 more6 hr
Feb 5, 8:07 PM CSTMesoscale DiscussionSPCBenton, Carroll, Chester, Crockett, Dyer, Fayette and 13 more83 min
Feb 5, 9:19 PM CSTMesoscale DiscussionSPCCheatham, Clay, Davidson, Dickson, Fentress, Houston and 12 more86 min
Feb 5, 11:59 PM CSTTornado WatchSPCCampbell, Morgan, Scott4 hr

Nearby

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