Alert archive / Georgia / Mesoscale Discussions in 2004

Mesoscale Discussion 98

February 6, 200414 counties in Alabama; 8 counties in Florida; 22 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2004, 7:32 AM CST for 14 counties in Alabama; 8 counties in Florida; 22 counties in Georgia. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Feb 6, 2004, 7:32 AM CST (13:32 UTC)
Expired: Feb 6, 2004, 9:30 AM CST
In force: 118 min
Issued by: the Storm Prediction Center

All 44 counties

Barbour County, AL, Bullock County, AL, Chambers County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Russell County, AL, Bay County, FL, Calhoun County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Dougherty County, GA, Early County, GA, Harris County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Webster County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.5 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.

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: 81 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 514 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 335 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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
Feb 5, 7:03 PM CST	Mesoscale Discussion	SPC	Bibb, Chilton, Choctaw, Greene, Hale, Jefferson and 8 more	87 min
Feb 5, 10:01 PM CST	Mesoscale Discussion	SPC	Bibb, Chilton, Choctaw, Clarke, Dallas, Greene and 10 more	59 min
Feb 5, 10:55 PM CST	Tornado Watch	SPC	Autauga, Bibb, Calhoun, Chilton, Choctaw, Clarke and 14 more	5 hr
Feb 6, 2:24 AM CST	Mesoscale Discussion	SPC	Autauga, Calhoun, Chilton, Clarke, Clay, Cleburne and 9 more	96 min
Feb 6, 12:51 PM CST	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Clay, Columbia, Duval and 8 more	2 hr
Feb 6, 1:15 PM CST	Tornado Watch	SPC	Columbia, Gadsden, Gulf, Hamilton, Jefferson, Lafayette and 6 more	5 hr
Feb 6, 3:23 PM CST	Mesoscale Discussion	SPC	Baker, Columbia, Hamilton, Jefferson, Madison, Suwannee	2 hr
Feb 6, 5:30 PM CST	Mesoscale Discussion	SPC	Columbia, Gadsden, Gulf, Hamilton, Jefferson, Lafayette and 6 more	90 min

Nearby

Mesoscale Discussions in Georgia, 2004 Mesoscale Discussions in Alabama, 2004 Mesoscale Discussions in Florida, 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.