Alert archive / Georgia / Mesoscale Discussions in 2007

Mesoscale Discussion 16

January 5, 200710 counties in Florida; 62 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Jan 5, 2007, 11:31 AM CST for 10 counties in Florida; 62 counties in Georgia. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Jan 5, 2007, 11:31 AM CST (17:31 UTC)
Expired
Jan 5, 2007, 1:30 PM CST
In force
119 min
Issued by
the Storm Prediction Center
All 72 counties

Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Wakulla County, FL, Baker County, GA, Baldwin County, GA, Barrow County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Calhoun County, GA, Clarke County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Glascock County, GA, Grady County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Macon County, GA, McDuffie County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Morgan County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Sumter County, GA, Taliaferro County, GA, Taylor County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Twiggs County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wilcox County, GA, Wilkes 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.5 hours before the alert went out and 130 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, Tallahassee Rgnl, FL at 12:00Z on 2007-01-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 501 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, Tallahassee Rgnl, FL at 12:00Z on 2007-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 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
501 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
468 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

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
Jan 5, 12:47 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more28 min
Jan 5, 1:15 AM CSTTornado WatchSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more6 hr
Jan 5, 3:13 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 5 more62 min
Jan 5, 5:46 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 11 more59 min
Jan 5, 7:21 AM CSTTornado WatchSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 10 more8 hr
Jan 5, 9:02 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 10 more118 min
Jan 5, 1:16 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 17 more119 min
Jan 5, 1:49 PM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 14 more7 hr
Jan 5, 5:35 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 4 more85 min
Jan 5, 11:06 AM CSTMesoscale DiscussionSPCBanks, Elbert, Forsyth, Franklin, Habersham, Hall and 6 more
Jan 5, 11:41 AM CSTTornado WatchSPCBurke, Columbia, Elbert, Franklin, Habersham, Hart and 5 more8 hr
Jan 5, 2:04 PM CSTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 3 more86 min
Jan 5, 3:26 PM CSTMesoscale DiscussionSPCAppling, Bryan, Bulloch, Candler, Chatham, Effingham and 13 more34 min
Jan 5, 3:35 PM CSTTornado WatchSPCBryan, Bulloch, Candler, Chatham, Effingham, Emanuel and 11 more7 hr

Nearby

Mesoscale Discussions in Georgia, 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.