Alert archive / Alabama / Mesoscale Discussions in 2008
Mesoscale Discussion 2152
The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2008, 4:34 AM CDT for 31 counties in Alabama; 4 counties in Florida. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2008, 4:34 AM CDT (09:34 UTC)
- Expired
- Aug 25, 2008, 6:00 AM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 35 counties
Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Escambia County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lowndes County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Sumter County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL
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, 9.6 hours before the alert went out and 155 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
- 1555 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 146 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 |
|---|---|---|---|---|
| Aug 24, 7:03 PM CDT | Mesoscale Discussion | SPC | Blount, Calhoun, Clay, Coosa, Fayette, Jefferson and 6 more | 57 min |
| Aug 24, 11:38 PM CDT | Mesoscale Discussion | SPC | Baldwin, Conecuh, Escambia, Monroe | 97 min |
| Aug 25, 1:10 AM CDT | Tornado Watch | SPC | Baldwin, Butler, Choctaw, Clarke, Coffee, Conecuh and 14 more | 6 hr |
| Aug 25, 7:28 AM CDT | Tornado Watch | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Butler and 41 more | 13 hr |
| Aug 25, 10:26 AM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Butler and 53 more | 64 min |
| Aug 25, 11:56 AM CDT | Tornado Watch | SPC | Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more | 3 hr |
| Aug 25, 2:07 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Butler and 31 more | 53 min |
| Aug 25, 6:14 PM CDT | Mesoscale Discussion | SPC | Barbour, Bullock, Butler, Chambers, Coffee, Coosa and 14 more | 91 min |
Nearby
Mesoscale Discussions in Alabama, 2008Mesoscale Discussions in Florida, 2008Every mesoscale discussion in 2008
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.