Alert archive / Georgia / Mesoscale Discussions in 2006

Mesoscale Discussion 26

January 2, 200617 counties in Georgia; Aiken County, Edgefield County, South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2006, 6:16 PM EST for 17 counties in Georgia; Aiken County, Edgefield County, South Carolina. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Jan 2, 2006, 6:16 PM EST (23:16 UTC)
Expired: Jan 2, 2006, 7:45 PM EST
In force: 89 min
Issued by: the Storm Prediction Center

Counties Burke County, GA, Columbia County, GA, Emanuel County, GA, Glascock County, GA, Hancock County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Taliaferro County, GA, Treutlen County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Aiken County, SC, Edgefield County, SC

The radar

The Robins AFB radar (KJGX), 111 km from the middle of the area, began a volume at 23:19 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 12Jan 2, 6:55 PM EST

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 186 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: 96 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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
Jan 1, 9:26 PM EST	Mesoscale Discussion	SPC	Baker, Calhoun, Clay, Colquitt, Cook, Decatur and 13 more	2 hr
Jan 2, 7:45 AM EST	Mesoscale Discussion	SPC	Atkinson, Bacon, Baker, Berrien, Brooks, Calhoun and 20 more	30 min
Jan 2, 8:10 AM EST	Tornado Watch	SPC	Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more	5 hr
Jan 2, 10:47 AM EST	Mesoscale Discussion	SPC	Bartow, Carroll, Catoosa, Chattooga, Dade, Douglas and 9 more	88 min
Jan 2, 11:43 AM EST	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Brantley, Camden, Charlton and 17 more	92 min
Jan 2, 1:23 PM EST	Tornado Watch	SPC	Appling, Atkinson, Bacon, Berrien, Brantley, Brooks and 20 more	7 hr
Jan 2, 4:20 PM EST	Mesoscale Discussion	SPC	Bartow, Carroll, Chattooga, Clayton, Cobb, Coweta and 20 more	85 min
Jan 2, 4:47 PM EST	Tornado Watch	SPC	Banks, Barrow, Bartow, Bibb, Bleckley, Butts and 53 more	5 hr
Jan 2, 6:58 PM EST	Tornado Watch	SPC	Baldwin, Bulloch, Burke, Candler, Columbia, Emanuel and 17 more	5 hr

Nearby

Mesoscale Discussions in Georgia, 2006 Mesoscale Discussions in South Carolina, 2006 Every mesoscale discussion in 2006

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.