Alert archive / Alabama / Mesoscale Discussions in 2008
Mesoscale Discussion 2158
The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2008, 6:14 PM CDT for 20 counties in Alabama; 6 counties in Florida; 5 counties in Georgia. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2008, 6:14 PM CDT (23:14 UTC)
- Expired
- Aug 25, 2008, 7:45 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 31 counties
Barbour County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Coffee County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Calhoun County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Walton County, FL, Washington County, FL, Clay County, GA, Early County, GA, Miller County, GA, Quitman County, GA, Seminole County, GA
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.2 hours before the alert went out and 193 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
- 675 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
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, 4:34 AM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 25 more | 86 min |
| 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 |
Nearby
Mesoscale Discussions in Alabama, 2008Mesoscale Discussions in Florida, 2008Mesoscale Discussions in Georgia, 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.