Alert archive / Georgia / Mesoscale Discussions in 2003
Mesoscale Discussion 128
The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2003, 10:59 AM EST for Baker County, Duval County, Nassau County, Florida; 18 counties in Georgia; 14 counties in South Carolina. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2003, 10:59 AM EST (15:59 UTC)
- Expired
- Feb 22, 2003, 12:00 PM EST
- In force
- 61 min
- Issued by
- the Storm Prediction Center
All 35 counties
Baker County, FL, Duval County, FL, Nassau County, FL, Appling County, GA, Brantley County, GA, Bryan County, GA, Bulloch County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Pierce County, GA, Screven County, GA, Tattnall County, GA, Ware County, GA, Wayne County, GA, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Georgetown County, SC, Hampton County, SC, Jasper County, SC, Orangeburg County, SC, Williamsburg County, SC
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 4.0 hours before the alert went out and 153 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
- 392 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Feb 21, 7:18 PM EST | Mesoscale Discussion | SPC | Baker, Bradford, Clay, Columbia, Duval, Hamilton and 7 more | 3 hr |
| Feb 21, 8:26 PM EST | Mesoscale Discussion | SPC | Escambia | 2 hr |
| Feb 21, 9:15 PM EST | Tornado Watch | SPC | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Feb 21, 11:22 PM EST | Mesoscale Discussion | SPC | Escambia, Okaloosa, Santa Rosa | 113 min |
| Feb 22, 12:40 AM EST | Tornado Watch | SPC | Bay, Calhoun, Gadsden, Gulf, Holmes, Jackson and 3 more | 6 hr |
| Feb 22, 1:35 AM EST | Tornado Watch | SPC | Escambia, Holmes, Okaloosa, Santa Rosa, Walton | 5 hr |
| Feb 22, 4:51 AM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Escambia, Gadsden, Gulf, Holmes and 6 more | 114 min |
| Feb 22, 6:19 AM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Jackson, Jefferson, Leon and 4 more | 56 min |
| Feb 22, 6:50 AM EST | Tornado Watch | SPC | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 5 hr |
| Feb 22, 11:55 AM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Duval and 6 more | 5 hr |
| Feb 22, 12:55 PM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 11 more | 3 hr |
| Feb 22, 1:33 PM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Dixie, Glades, Hardee and 13 more | 117 min |
| Feb 22, 1:49 PM EST | Mesoscale Discussion | SPC | Alachua, Bradford, Clay, Duval, Nassau, Putnam and 1 more | 116 min |
| Feb 22, 3:48 PM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Flagler, Hardee, Highlands and 14 more | 27 min |
| Feb 22, 12:14 AM EST | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Dade, Fannin, Floyd and 7 more | 4 hr |
| Feb 22, 3:47 AM EST | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 44 more | 3 hr |
| Feb 22, 4:35 AM EST | Tornado Watch | SPC | Barrow, Bartow, Butts, Carroll, Catoosa, Chattooga and 41 more | 2 hr |
| Feb 22, 10:14 AM EST | Mesoscale Discussion | SPC | Catoosa, Chattooga, Dade, Walker, Whitfield | 2 hr |
| Feb 22, 11:35 AM EST | Tornado Watch | SPC | Catoosa, Chattooga, Dade, Dawson, Fannin, Gilmer and 5 more | 5 hr |
| Feb 22, 3:31 PM EST | Mesoscale Discussion | SPC | Catoosa, Murray, Walker, Whitfield | 119 min |
| Feb 22, 9:27 AM EST | Mesoscale Discussion | SPC | Aiken, Calhoun, Chester, Chesterfield, Clarendon, Darlington and 14 more | 63 min |
| Feb 22, 9:45 AM EST | Tornado Watch | SPC | Chester, Chesterfield, Darlington, Dillon, Fairfield, Florence and 10 more | 6 hr |
| Feb 22, 11:47 AM EST | Mesoscale Discussion | SPC | Darlington, Dillon, Florence, Horry, Lee, Marion and 2 more | 88 min |
| Feb 22, 2:22 PM EST | Mesoscale Discussion | SPC | Georgetown, Horry | 53 min |
| Feb 22, 2:40 PM EST | Tornado Watch | SPC | Marion | 4 hr |
| Feb 22, 6:09 PM EST | Mesoscale Discussion | SPC | Marion | 66 min |
Nearby
Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in South Carolina, 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.