Alert archive / Georgia / Mesoscale Discussions in 2003

Mesoscale Discussion 288

March 19, 200310 counties in Alabama; 36 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 19, 2003, 12:59 PM CST for 10 counties in Alabama; 36 counties in Georgia. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Mar 19, 2003, 12:59 PM CST (18:59 UTC)
Expired
Mar 19, 2003, 4:00 PM CST
In force
3 hr
Issued by
the Storm Prediction Center
All 46 counties

Barbour County, AL, Bullock County, AL, Dale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Atkinson County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Webster County, GA, Worth County, GA

The watches that followed

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.0 hours before the alert went out and 169 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2003-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2003-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 417 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
21 J/kg
Mixed-layer CIN
-267 J/kg
Mixed-layer LCL
479 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
417 m²/s²
0-3 km storm-relative helicity
730 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

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.

IssuedProductOfficeCountiesLasted
Mar 18, 6:39 PM CSTMesoscale DiscussionSPCButler, Choctaw, Clarke, Coffee, Conecuh, Covington and 13 more3 hr
Mar 18, 7:30 PM CSTTornado WatchSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 5 more6 hr
Mar 18, 9:10 PM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Choctaw, Clarke, Conecuh and 14 more3 hr
Mar 18, 10:25 PM CSTTornado WatchSPCBaldwin, Bibb, Choctaw, Clarke, Colbert, Cullman and 24 more7 hr
Mar 18, 11:50 PM CSTMesoscale DiscussionSPCBibb, Choctaw, Clarke, Colbert, Cullman, Fayette and 18 more115 min
Mar 19, 2:02 AM CSTMesoscale DiscussionSPCBibb, Choctaw, Clarke, Colbert, Cullman, Dallas and 22 more118 min
Mar 19, 7:10 AM CSTMesoscale DiscussionSPCMadison2 hr
Mar 19, 8:00 AM CSTTornado WatchSPCDeKalb, Jackson, Madison, Marshall, Morgan4 hr
Mar 19, 9:28 AM CSTMesoscale DiscussionSPCBlount, DeKalb, Jackson, Madison, Marshall2 hr
Mar 19, 11:30 AM CSTTornado WatchSPCDeKalb, Jackson, Marshall7 hr
Mar 19, 11:58 AM CSTMesoscale DiscussionSPCDeKalb, Etowah, Jackson, Marshall2 hr
Mar 19, 1:30 PM CSTTornado WatchSPCAutauga, Barbour, Bullock, Butler, Calhoun, Chambers and 15 more6 hr
Mar 19, 2:06 PM CSTMesoscale DiscussionSPCCalhoun, Cherokee, DeKalb, Etowah, Jackson, Marshall and 1 more114 min
Mar 19, 3:35 PM CSTMesoscale DiscussionSPCBarbour, Chambers, Lee, Macon, Randolph, Russell and 1 more115 min
Mar 19, 3:52 PM CSTMesoscale DiscussionSPCCalhoun, Cherokee, Cleburne, DeKalb, Etowah113 min
Mar 18, 11:53 PM CSTMesoscale DiscussionSPCAtkinson, Baker, Ben Hill, Berrien, Brooks, Calhoun and 27 more3 hr
Mar 19, 9:48 AM CSTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Burke, Butts, Clarke and 40 more117 min
Mar 19, 4:30 PM CSTSevere Thunderstorm WatchSPCBanks, Barrow, Bartow, Cherokee, Clarke, Dawson and 20 more6 hr
Mar 19, 4:50 PM CSTTornado WatchSPCBaldwin, Ben Hill, Bibb, Bleckley, Butts, Calhoun and 71 more5 hr
Mar 19, 5:32 PM CSTMesoscale DiscussionSPCCamden, Charlton118 min

Nearby

Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in Alabama, 2003Every 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.