Alert archive / Georgia / Mesoscale Discussions in 2004

Mesoscale Discussion 2463

November 24, 20045 counties in Alabama; 13 counties in Florida; 22 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Nov 24, 2004, 11:24 AM CST for 5 counties in Alabama; 13 counties in Florida; 22 counties in Georgia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Nov 24, 2004, 11:24 AM CST (17:24 UTC)
Expired: Nov 24, 2004, 1:30 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center

All 40 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun 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, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 54 km from the middle of the area, began a volume at 17:23 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.

Tornado Watch 904Nov 24, 1:50 PM CST

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.4 hours before the alert went out and 56 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1093 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 527 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.1

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.

Issued	Product	Office	Counties	Lasted
Nov 23, 9:00 PM CST	Mesoscale Discussion	SPC	Blount, Colbert, Cullman, DeKalb, Etowah, Franklin and 10 more	2 hr
Nov 23, 9:20 PM CST	Tornado Watch	SPC	Blount, Colbert, Cullman, Etowah, Fayette, Franklin and 13 more	7 hr
Nov 23, 11:16 PM CST	Mesoscale Discussion	SPC	Bibb, Blount, Chilton, Choctaw, Clarke, Cullman and 14 more	119 min
Nov 24, 12:30 AM CST	Mesoscale Discussion	SPC	Autauga, Baldwin, Bibb, Chilton, Choctaw, Clarke and 12 more	30 min
Nov 24, 12:45 AM CST	Tornado Watch	SPC	Bibb, Chilton, Choctaw, Clarke, Dallas, Greene and 7 more	5 hr
Nov 24, 2:43 AM CST	Mesoscale Discussion	SPC	Choctaw, Clarke, Greene, Hale, Marengo, Pickens and 3 more	62 min
Nov 24, 3:35 AM CST	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, Clay, Cleburne, Cullman and 11 more	25 min
Nov 24, 3:55 AM CST	Tornado Watch	SPC	Blount, Calhoun, Cherokee, Cleburne, Cullman, Etowah and 5 more	5 hr
Nov 24, 4:57 AM CST	Mesoscale Discussion	SPC	Autauga, Bibb, Chilton, Choctaw, Clarke, Conecuh and 13 more	63 min
Nov 24, 5:20 AM CST	Tornado Watch	SPC	Autauga, Baldwin, Bibb, Butler, Chambers, Chilton and 20 more	6 hr
Nov 24, 7:11 AM CST	Mesoscale Discussion	SPC	Baldwin, Barbour, Bullock, Butler, Calhoun, Chambers and 24 more	64 min
Nov 24, 7:25 AM CST	Tornado Watch	SPC	Barbour, Chambers, Lee, Russell	6 hr
Nov 24, 8:03 AM CST	Mesoscale Discussion	SPC	Barbour, Coffee, Covington, Dale, Geneva, Henry and 2 more	57 min
Nov 24, 8:30 AM CST	Tornado Watch	SPC	Coffee, Dale, Geneva, Henry, Houston	6 hr
Nov 24, 9:23 AM CST	Mesoscale Discussion	SPC	Barbour, Chambers, Lee, Russell	97 min
Nov 24, 1:50 PM CST	Tornado Watch	SPC	Baker, Columbia, Dixie, Gilchrist, Hamilton, Jefferson and 6 more	4 hr
Nov 24, 3:30 PM CST	Mesoscale Discussion	SPC	Baker, Citrus, Columbia, Gilchrist, Hamilton, Hernando and 4 more	2 hr
Nov 24, 5:36 PM CST	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Citrus, Clay, Gilchrist and 3 more	24 min
Nov 24, 9:40 AM CST	Tornado Watch	SPC	Baldwin, Bleckley, Bryan, Bulloch, Burke, Candler and 40 more	6 hr
Nov 24, 1:13 PM CST	Mesoscale Discussion	SPC	Baldwin, Bleckley, Bryan, Bulloch, Burke, Candler and 40 more	2 hr

Nearby

Mesoscale Discussions in Georgia, 2004 Mesoscale Discussions in Florida, 2004 Mesoscale Discussions in Alabama, 2004 Every mesoscale discussion in 2004

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.