Alert archive / Georgia / Mesoscale Discussions in 2003

Mesoscale Discussion 2533

November 18, 200314 counties in Alabama; 12 counties in Florida; 36 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Nov 18, 2003, 8:10 PM CST for 14 counties in Alabama; 12 counties in Florida; 36 counties in Georgia. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Nov 18, 2003, 8:10 PM CST (02:10 UTC)
Expired
Nov 18, 2003, 9:45 PM CST
In force
95 min
Issued by
the Storm Prediction Center
All 62 counties

Barbour County, AL, Bullock County, AL, Chambers County, AL, Clay County, AL, Dale County, AL, Elmore County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Wakulla County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Crawford County, GA, Decatur County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Harris County, GA, Lamar County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Muscogee County, GA, Pike County, GA, Quitman 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, Troup County, GA, Upson 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.2 hours before the alert went out and 132 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, Tallahassee Rgnl, FL at 00:00Z on 2003-11-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 00:00Z on 2003-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 317 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
317 m²/s²
0-3 km storm-relative helicity
384 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.

IssuedProductOfficeCountiesLasted
Nov 18, 6:45 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Covington, Crenshaw and 11 more60 min
Nov 18, 6:46 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Covington, Crenshaw and 11 more59 min
Nov 18, 9:45 PM CSTTornado WatchSPCHenry, Houston, Russell6 hr
Nov 18, 11:22 PM CSTMesoscale DiscussionSPCHenry, Houston, Russell83 min
Nov 19, 1:43 AM CSTMesoscale DiscussionSPCGadsden, Jefferson, Leon, Madison, Taylor, Wakulla92 min
Nov 19, 3:20 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 12 more6 hr
Nov 19, 5:11 AM CSTMesoscale DiscussionSPCCitrus, Hardee, Hernando, Hillsborough, Lake, Levy and 9 more3 hr
Nov 19, 7:30 AM CSTTornado WatchSPCCharlotte, Citrus, Collier, DeSoto, Hardee, Hernando and 9 more6 hr
Nov 19, 12:18 AM CSTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 42 more57 min
Nov 19, 1:20 AM CSTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Burke, Butts and 37 more6 hr
Nov 19, 4:14 AM CSTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 3 more61 min
Nov 19, 10:29 AM CSTMesoscale DiscussionSPCHabersham, Rabun, Stephens, Towns, Union61 min

Nearby

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