Alert archive / Alabama / Mesoscale Discussions in 2016
Mesoscale Discussion 105
The Storm Prediction Center issued this mesoscale discussion at Feb 15, 2016, 4:24 PM CST for 17 counties in Alabama; 9 counties in Florida; George County, Jackson County, Mississippi. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2016, 4:24 PM CST (22:24 UTC)
- Expired
- Feb 15, 2016, 6:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Baldwin County, AL, Butler County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Mobile County, AL, Monroe County, AL, Pike County, AL, Washington County, AL, Wilcox County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, George County, MS, Jackson County, MS
The radar
The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 22:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 255 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
- 569 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.4
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 11:50 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 22 more | 115 min |
| Feb 15, 12:02 PM CST | Tornado Watch | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 27 more | 9 hr |
| Feb 15, 1:51 PM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 28 more | 114 min |
| Feb 15, 5:27 AM CST | Mesoscale Discussion | SPC | Amite, Copiah, Covington, Forrest, Jasper, Jefferson Davis and 14 more | 3 hr |
| Feb 15, 7:41 AM CST | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Copiah, Covington, Forrest and 10 more | 3 hr |
| Feb 15, 9:30 AM CST | Tornado Watch | SPC | Adams, Amite, Attala, Choctaw, Claiborne, Clarke and 39 more | 8 hr |
Nearby
Mesoscale Discussions in Alabama, 2016Mesoscale Discussions in Florida, 2016Mesoscale Discussions in Mississippi, 2016Every mesoscale discussion in 2016
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; radar from the NEXRAD Level II archive.