Alert archive / Georgia / Mesoscale Discussions in 2003
Mesoscale Discussion 300
The Storm Prediction Center issued this mesoscale discussion at Mar 19, 2003, 11:52 PM CST for Henry County, Houston County, Alabama; 11 counties in Florida; 58 counties in Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2003, 11:52 PM CST (05:52 UTC)
- Expired
- Mar 20, 2003, 2:15 AM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 71 counties
Henry County, AL, Houston County, AL, Calhoun County, FL, Gadsden County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Grady County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Oconee County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson 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 00:00Z, 5.9 hours before the alert went out and 163 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.
- Mixed-layer CAPE
- 753 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 8:41 PM CST | Mesoscale Discussion | SPC | Baldwin, Barbour, Butler, Coffee, Conecuh, Covington and 8 more | 3 hr |
| Mar 19, 9:25 PM CST | Tornado Watch | SPC | Barbour, Bullock, Chambers, Coffee, Covington, Crenshaw and 8 more | 6 hr |
| Mar 20, 2:06 AM CST | Mesoscale Discussion | SPC | Calhoun, Gadsden, Jackson, Leon, Liberty | 54 min |
| Mar 20, 2:40 AM CST | Tornado Watch | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Hamilton and 7 more | 5 hr |
| Mar 20, 5:12 AM CST | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Hamilton, Jefferson and 5 more | 2 hr |
| Mar 20, 1:35 PM CST | Tornado Watch | SPC | Columbia, Gadsden, Hamilton, Jefferson, Leon, Liberty and 1 more | 6 hr |
| Mar 20, 3:21 PM CST | Mesoscale Discussion | SPC | Baker, Hamilton, Jefferson, Madison, Nassau | 114 min |
| Mar 20, 5:57 PM CST | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Jefferson, Lafayette, Leon and 5 more | 2 hr |
| Mar 19, 6:04 PM CST | Mesoscale Discussion | SPC | Appling, Bacon, Brantley, Bryan, Bulloch, Camden and 15 more | 116 min |
| Mar 19, 6:15 PM CST | Tornado Watch | SPC | Appling, Bacon, Bryan, Bulloch, Candler, Chatham and 11 more | 4 hr |
| Mar 19, 7:58 PM CST | Mesoscale Discussion | SPC | Burke, Columbia, Glascock, Jefferson, Jenkins, Lincoln and 6 more | 3 hr |
| Mar 19, 10:16 PM CST | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Butts, Carroll and 50 more | 2 hr |
| Mar 19, 11:20 PM CST | Severe Thunderstorm Watch | SPC | Banks, Barrow, Butts, Clarke, Clayton, Cobb and 38 more | 4 hr |
| Mar 20, 7:40 AM CST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Brooks and 20 more | 6 hr |
| Mar 20, 10:09 AM CST | Mesoscale Discussion | SPC | Atkinson, Berrien, Brantley, Brooks, Clinch, Colquitt and 6 more | 2 hr |
| Mar 20, 12:33 PM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Brooks and 10 more | 117 min |
Nearby
Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in Florida, 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.