Alert archive / Alabama / Mesoscale Discussions in 2004
Mesoscale Discussion 243
The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2004, 11:27 AM CST for 4 states. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2004, 11:27 AM CST (17:27 UTC)
- Expired
- Mar 30, 2004, 1:00 PM CST
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 83 counties
Bibb County, AL, Blount County, AL, Calhoun County, AL, Chilton County, AL, Colbert County, AL, Coosa County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Crittenden County, AR, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, DeSoto County, MS, Grenada County, MS, Itawamba County, MS, Kemper County, MS, Lafayette County, MS, Lee County, MS, Lowndes County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Chester County, TN, Crockett County, TN, Decatur County, TN, Fayette County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Madison County, TN, McNairy County, TN, Perry County, TN, Shelby County, TN, Tipton County, TN, Wayne County, TN
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 12:00Z, 5.5 hours before the alert went out and 164 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
- 1366 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -148 m²/s²
- 0-3 km storm-relative helicity
- -171 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 |
|---|---|---|---|---|
| Mar 30, 12:15 PM CST | Severe Thunderstorm Watch | SPC | Bibb, Blount, Calhoun, Cherokee, Chilton, Clay and 27 more | 6 hr |
| Mar 30, 3:45 PM CST | Mesoscale Discussion | SPC | Calhoun, Cleburne, Greene, Jefferson, Pickens, St. Clair and 3 more | 90 min |
| Mar 30, 12:21 PM CST | Mesoscale Discussion | SPC | Anderson, Bedford, Benton, Bledsoe, Bradley, Campbell and 51 more | 84 min |
Nearby
Mesoscale Discussions in Alabama, 2004Mesoscale Discussions in Mississippi, 2004Mesoscale Discussions in Tennessee, 2004Every mesoscale discussion in 2004
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.