Alert archive / Georgia / Mesoscale Discussions in 2006

Mesoscale Discussion 938

May 22, 200617 counties in Georgia; 14 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at May 22, 2006, 4:53 PM EDT for 17 counties in Georgia; 14 counties in South Carolina. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued: May 22, 2006, 4:53 PM EDT (20:53 UTC)
Expired: May 22, 2006, 6:30 PM EDT
In force: 97 min
Issued by: the Storm Prediction Center

All 31 counties

Burke County, GA, Columbia County, GA, Effingham County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Jefferson County, GA, Jenkins County, GA, Lincoln County, GA, McDuffie County, GA, Oglethorpe County, GA, Putnam County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Warren County, GA, Wilkes County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Hampton County, SC, Jasper County, SC, McCormick County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 98 km from the middle of the area, began a volume at 20:53 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.9 hours before the alert went out and 190 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: 728 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1271 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -76 m²/s²
0-3 km storm-relative helicity: -29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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
May 21, 8:28 PM EDT	Mesoscale Discussion	SPC	Catoosa, Chattooga, Dade, Fannin, Gilmer, Gordon and 4 more	2 hr
May 21, 10:31 PM EDT	Mesoscale Discussion	SPC	Catoosa, Chattooga, Dade, Fannin, Gilmer, Gordon and 4 more	59 min
May 22, 2:30 PM EDT	Mesoscale Discussion	SPC	Baldwin, Banks, Barrow, Burke, Butts, Clarke and 36 more	2 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.