Alert archive / Alabama / Mesoscale Discussions in 2003
Mesoscale Discussion 123
The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2003, 3:51 AM CST for 5 states. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2003, 3:51 AM CST (09:51 UTC)
- Expired
- Feb 22, 2003, 5:45 AM CST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 128 counties
Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Fayette County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Bibb County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Crawford County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Harris County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Peach 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, Webster County, GA, Jefferson Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint Tammany Parish, LA, Attala County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Grenada County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Wayne County, MS, Webster County, MS, Winston County, MS
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 9.9 hours before the alert went out and 160 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 779 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 186 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, 7:26 PM CST | Mesoscale Discussion | SPC | Baldwin, Clarke, Mobile, Washington | 2 hr |
| Feb 21, 8:15 PM CST | Tornado Watch | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 6 hr |
| Feb 21, 9:03 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Chilton, Choctaw, Coosa and 22 more | 3 hr |
| Feb 21, 9:30 PM CST | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 20 more | 7 hr |
| Feb 21, 10:22 PM CST | Mesoscale Discussion | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 113 min |
| Feb 21, 10:40 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 20 more | 2 hr |
| Feb 21, 11:14 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 16 more | 4 hr |
| Feb 21, 11:40 PM CST | Tornado Watch | SPC | Barbour, Bullock, Coffee, Dale, Geneva, Henry and 5 more | 6 hr |
| Feb 22, 12:35 AM CST | Tornado Watch | SPC | Autauga, Baldwin, Bibb, Bullock, Butler, Calhoun and 37 more | 5 hr |
| Feb 22, 2:47 AM CST | Mesoscale Discussion | SPC | Calhoun, Cherokee, Cleburne, DeKalb, Etowah, Jackson and 4 more | 3 hr |
| Feb 22, 3:35 AM CST | Tornado Watch | SPC | Blount, Calhoun, Chambers, Cherokee, Chilton, Clay and 12 more | 2 hr |
| Feb 22, 5:19 AM CST | Mesoscale Discussion | SPC | Barbour, Henry, Houston, Russell | 56 min |
| Feb 22, 5:50 AM CST | Tornado Watch | SPC | Henry, Houston | 5 hr |
| Feb 22, 9:14 AM CST | Mesoscale Discussion | SPC | DeKalb, Jackson, Marshall | 2 hr |
| Feb 22, 10:35 AM CST | Tornado Watch | SPC | DeKalb, Jackson | 5 hr |
| Feb 21, 6:18 PM CST | Mesoscale Discussion | SPC | Baker, Bradford, Clay, Columbia, Duval, Hamilton and 7 more | 3 hr |
| Feb 22, 9:59 AM CST | Mesoscale Discussion | SPC | Baker, Duval, Nassau | 61 min |
| Feb 22, 10:55 AM CST | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Duval and 6 more | 5 hr |
| Feb 22, 11:55 AM CST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 11 more | 3 hr |
| Feb 22, 12:33 PM CST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Dixie, Glades, Hardee and 13 more | 117 min |
| Feb 22, 12:49 PM CST | Mesoscale Discussion | SPC | Alachua, Bradford, Clay, Duval, Nassau, Putnam and 1 more | 116 min |
| Feb 22, 2:48 PM CST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Flagler, Hardee, Highlands and 14 more | 27 min |
| Feb 22, 2:31 PM CST | Mesoscale Discussion | SPC | Catoosa, Murray, Walker, Whitfield | 119 min |
| Feb 21, 10:54 PM CST | Mesoscale Discussion | SPC | Beauregard, Bienville, Bossier, Caddo, De Soto, Natchitoches and 4 more | 3 hr |
| Feb 22, 2:02 AM CST | Mesoscale Discussion | SPC | Caldwell, Catahoula, Concordia, East Carroll, Franklin, LaSalle and 6 more | 3 hr |
Nearby
Mesoscale Discussions in Alabama, 2003Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Georgia, 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.