Alert archive / Georgia / Mesoscale Discussions in 2004

Mesoscale Discussion 2340

October 19, 200432 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Oct 19, 2004, 3:06 PM EDT for 32 counties in Georgia. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Oct 19, 2004, 3:06 PM EDT (19:06 UTC)
Expired: Oct 19, 2004, 4:30 PM EDT
In force: 84 min
Issued by: the Storm Prediction Center

All 32 counties

Baker County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Crisp County, GA, Decatur County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Houston County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Peach 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, Thomas County, GA, Turner County, GA, Webster County, GA, Worth County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 157 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: 318 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 114 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
Oct 19, 4:34 AM EDT	Mesoscale Discussion	SPC	Catoosa, Chattooga, Dade, Gordon, Murray, Walker and 1 more	26 min
Oct 19, 4:50 AM EDT	Severe Thunderstorm Watch	SPC	Dade	4 hr
Oct 19, 8:08 AM EDT	Mesoscale Discussion	SPC	Dade	2 hr

Nearby

Mesoscale Discussions in Georgia, 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.