Alert archive / Georgia / Mesoscale Discussions in 2014

Mesoscale Discussion 846

June 5, 20148 counties in Georgia; 5 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2014, 10:13 PM EDT for 8 counties in Georgia; 5 counties in South Carolina. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Jun 5, 2014, 10:13 PM EDT (02:13 UTC)
Expired: Jun 5, 2014, 11:45 PM EDT
In force: 92 min
Issued by: the Storm Prediction Center

Counties Burke County, GA, Columbia County, GA, Glascock County, GA, Jefferson County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Warren County, GA, Aiken County, SC, Allendale County, SC, Barnwell County, SC, Edgefield County, SC, McCormick County, SC

The radar

The Columbia radar (KCAE), 108 km from the middle of the area, began a volume at 02:13 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.2 hours before the alert went out and 216 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: 2233 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 995 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 88 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
Jun 6, 12:22 PM EDT	Mesoscale Discussion	SPC	Bartow, Carroll, Chattooga, Cherokee, Cobb, Coweta and 10 more	83 min
Jun 6, 12:51 PM EDT	Severe Thunderstorm Watch	SPC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Clayton and 22 more	7 hr
Jun 6, 3:21 PM EDT	Mesoscale Discussion	SPC	Baldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 50 more	2 hr
Jun 6, 3:43 PM EDT	Mesoscale Discussion	SPC	Carroll, Chattooga, Floyd, Gordon, Haralson, Heard and 3 more	92 min
Jun 6, 4:06 PM EDT	Mesoscale Discussion	SPC	Calhoun, Chattahoochee, Clay, Crisp, Dooly, Dougherty and 13 more	114 min
Jun 6, 7:49 PM EDT	Severe Thunderstorm Watch	SPC	Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more	6 hr
Jun 6, 1:09 PM EDT	Mesoscale Discussion	SPC	Berkeley, Calhoun, Clarendon, Colleton, Darlington, Dillon and 9 more	3 hr

Nearby

Mesoscale Discussions in Georgia, 2014 Mesoscale Discussions in South Carolina, 2014 Every mesoscale discussion in 2014

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.