Alert archive / Georgia / Mesoscale Discussions in 2007
Mesoscale Discussion 13
The Storm Prediction Center issued this mesoscale discussion at Jan 5, 2007, 5:46 AM CST for 34 counties in Alabama; 17 counties in Florida; 94 counties in Georgia. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Jan 5, 2007, 5:46 AM CST (11:46 UTC)
- Expired
- Jan 5, 2007, 6:45 AM CST
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 145 counties
Autauga County, AL, Barbour County, AL, Blount County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee 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, DeKalb County, AL, Elmore County, AL, Escambia County, AL, Etowah County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marshall County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dawson County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gordon County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Peach County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Webster County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA
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 00:00Z, 11.8 hours before the alert went out and 178 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 051147 SWOMCD SPC MCD 051146 GAZ000-FLZ000-ALZ000-051245- MESOSCALE DISCUSSION 0013 NWS STORM PREDICTION CENTER NORMAN OK 0546 AM CST FRI JAN 05 2007 AREAS AFFECTED...AL/WRN FL PANHANDLE/PARTS OF GA CONCERNING...TORNADO WATCH 3... VALID 051146Z - 051245Z THREAT FOR TORNADOES...MAINLY EMBEDDED WITHIN THE SQUALL LINE...AND THREAT FOR DAMAGING WINDS TO CONTINUE TO SPREAD EWD ACROSS AL AND THE WRN FL PANHANDLE. NEW WW MAY BE NEEDED BY 13-14Z TO THE EAST OF WW 3. AT 11Z...REGIONAL RADARS INDICATED A SQUALL LINE EXTENDING FROM NORTH CENTRAL AL /ERN CULLMAN AND BLOUNT COUNTIES/ SWD INTO SRN AL AND THE WRN FL PANHANDLE /ESCAMBIA AND SANTA ROSA COUNTIES/. CURRENT SPEED OF THIS LINE /EWD AT 25 KT/ SUGGESTS IT WILL MOVE THROUGH THE NERN AND EAST CENTRAL PARTS OF AL BY 14Z...AND REACH THE SERN PART OF AL AND CENTRAL FL PANHANDLE BY 15Z. LOW LEVEL WAA AND RICH MOISTURE /SURFACE DEWPOINTS IN THE LOW-MID 60S/ WILL CONTINUE TO SPREAD NWD THROUGH ERN AL AND GA IN ADVANCE OF THE SQUALL LINE THIS MORNING. LOW LCLS WITHIN THE MOIST AIR MASS AND SELY SURFACE WINDS...BENEATH DEEP SSWLY FLOW...ENHANCING LOW LEVEL SHEAR VALUES WILL MAINTAIN THREAT FOR TORNADOES...ESPECIALLY WITH EMBEDDED ROTATING STORMS ALONG THE SQUALL LINE. ..PETERS.. 01/05/2007 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...GSP...JAX...FFC...TAE...BMX...HUN...MOB... 29658833 31238718 33158652 34528673 34598496 34558357 33198291 31508297 30418343 29088448
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 8:47 PM CST | Tornado Watch | SPC | Choctaw, Mobile, Washington | 7 hr |
| Jan 5, 12:47 AM CST | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Butler and 57 more | 28 min |
| Jan 5, 1:15 AM CST | Tornado Watch | SPC | Autauga, Baldwin, Barbour, Bibb, Blount, Bullock and 48 more | 6 hr |
| Jan 5, 2:26 AM CST | Mesoscale Discussion | SPC | Choctaw, Mobile, Washington | 64 min |
| Jan 5, 3:13 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Blount, Bullock and 47 more | 62 min |
| Jan 5, 7:21 AM CST | Tornado Watch | SPC | Barbour, Bullock, Butler, Chambers, Clay, Coffee and 16 more | 8 hr |
| Jan 5, 9:02 AM CST | Mesoscale Discussion | SPC | Barbour, Bullock, Butler, Chambers, Clay, Cleburne and 17 more | 118 min |
| Jan 5, 11:31 AM CST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 4 more | 119 min |
| Jan 5, 1:16 PM CST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 17 more | 119 min |
| Jan 5, 1:49 PM CST | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 14 more | 7 hr |
| Jan 5, 5:35 PM CST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Duval and 4 more | 85 min |
| Jan 5, 11:06 AM CST | Mesoscale Discussion | SPC | Banks, Elbert, Forsyth, Franklin, Habersham, Hall and 6 more | |
| Jan 5, 11:41 AM CST | Tornado Watch | SPC | Burke, Columbia, Elbert, Franklin, Habersham, Hart and 5 more | 8 hr |
| Jan 5, 2:04 PM CST | Mesoscale Discussion | SPC | Burke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 3 more | 86 min |
| Jan 5, 3:26 PM CST | Mesoscale Discussion | SPC | Appling, Bryan, Bulloch, Candler, Chatham, Effingham and 13 more | 34 min |
| Jan 5, 3:35 PM CST | Tornado Watch | SPC | Bryan, Bulloch, Candler, Chatham, Effingham, Emanuel and 11 more | 7 hr |
Nearby
Mesoscale Discussions in Georgia, 2007Mesoscale Discussions in Alabama, 2007Mesoscale Discussions in Florida, 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.