Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 655

April 22, 200532 counties in Georgia; 5 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Apr 22, 2005, 3:27 PM EDT for 32 counties in Georgia; 5 counties in South Carolina. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Apr 22, 2005, 3:27 PM EDT (19:27 UTC)
Expired: Apr 22, 2005, 5:00 PM EDT
In force: 93 min
Issued by: the Storm Prediction Center

All 37 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Columbia County, GA, Crawford County, GA, Dooly County, GA, Emanuel County, GA, Glascock County, GA, Hancock County, GA, Houston County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Lincoln County, GA, Macon County, GA, Marion County, GA, McDuffie County, GA, Peach County, GA, Pulaski County, GA, Richmond County, GA, Schley County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Edgefield County, SC, Greenwood County, SC, McCormick County, SC, Saluda County, SC

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 193Apr 22, 5:35 PM EDT

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 114 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: 342 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Apr 22, 12:18 PM EDT	Mesoscale Discussion	SPC	Banks, Bartow, Carroll, Cherokee, Clayton, Cobb and 23 more	117 min
Apr 22, 1:10 PM EDT	Severe Thunderstorm Watch	SPC	Baldwin, Banks, Barrow, Bibb, Bleckley, Butts and 66 more	7 hr
Apr 22, 3:35 PM EDT	Severe Thunderstorm Watch	SPC	Quitman	6 hr
Apr 22, 5:35 PM EDT	Severe Thunderstorm Watch	SPC	Appling, Bryan, Bulloch, Burke, Candler, Chatham and 17 more	5 hr
Apr 22, 6:17 PM EDT	Mesoscale Discussion	SPC	Catoosa, Chattooga, Fannin, Gilmer, Gordon, Murray and 4 more	58 min
Apr 22, 6:40 PM EDT	Severe Thunderstorm Watch	SPC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Clayton and 17 more	5 hr
Apr 22, 7:15 PM EDT	Severe Thunderstorm Watch	SPC	Atkinson, Bacon, Baker, Ben Hill, Berrien, Brooks and 28 more	6 hr
Apr 22, 7:40 PM EDT	Mesoscale Discussion	SPC	Catoosa, Dade, Gilmer, Murray, Walker, Whitfield	95 min
Apr 22, 2:35 PM EDT	Severe Thunderstorm Watch	SPC	Abbeville, Anderson, Cherokee, Chester, Fairfield, Greenville and 10 more	5 hr

Nearby

Mesoscale Discussions in Georgia, 2005 Mesoscale Discussions in South Carolina, 2005 Every mesoscale discussion in 2005

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.