Alert archive / Georgia / Mesoscale Discussions in 2003

Mesoscale Discussion 592

April 25, 20034 counties in Alabama; 7 counties in Florida; 19 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Apr 25, 2003, 11:24 PM CDT for 4 counties in Alabama; 7 counties in Florida; 19 counties in Georgia. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Apr 25, 2003, 11:24 PM CDT (04:24 UTC)
Expired: Apr 26, 2003, 1:00 AM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 30 counties

Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Leon County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Lee County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Worth County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.4 hours before the alert went out and 87 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: 396 J/kg
Mixed-layer CIN: -226 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 136 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
Apr 25, 7:22 PM CDT	Mesoscale Discussion	SPC	Coffee, Covington, Dale, Geneva, Henry, Houston	113 min
Apr 25, 7:51 PM CDT	Mesoscale Discussion	SPC	Russell	54 min
Apr 25, 9:00 PM CDT	Severe Thunderstorm Watch	SPC	Baldwin, Barbour, Butler, Coffee, Conecuh, Covington and 9 more	5 hr
Apr 26, 1:12 AM CDT	Mesoscale Discussion	SPC	Houston	63 min
Apr 25, 10:52 PM CDT	Mesoscale Discussion	SPC	DeSoto, Glades, Hardee, Highlands, Hillsborough, Manatee and 4 more	3 hr
Apr 26, 9:53 AM CDT	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Clay, Columbia, Dixie and 14 more	2 hr

Nearby

Mesoscale Discussions in Georgia, 2003 Mesoscale Discussions in Florida, 2003 Mesoscale Discussions in Alabama, 2003 Every mesoscale discussion in 2003

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.