Alert archive / Alabama / Mesoscale Discussions in 2016
Mesoscale Discussion 304
The Storm Prediction Center issued this mesoscale discussion at Mar 31, 2016, 11:29 AM CDT for 11 counties in Alabama; 10 counties in Florida; Seminole County, Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2016, 11:29 AM CDT (16:29 UTC)
- Expired
- Mar 31, 2016, 1:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Baldwin County, AL, Butler County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Houston County, AL, Monroe County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Seminole County, GA
The radar
The Eglin Afb radar (KEVX), 66 km from the middle of the area, began a volume at 16:32 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.5 hours before the alert went out and 217 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
- 53 J/kg
- Mixed-layer CIN
- -640 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 31, 7:47 AM CDT | Mesoscale Discussion | SPC | Washington | 58 min |
| Mar 31, 8:37 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 53 min |
| Mar 31, 8:43 AM CDT | Tornado Watch | SPC | Baldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 2 more | 5 hr |
| Mar 31, 1:32 PM CDT | Mesoscale Discussion | SPC | Baldwin, Covington, Escambia, Geneva | 58 min |
| Mar 31, 4:47 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Chilton, Choctaw, Clarke, Colbert and 19 more | 58 min |
| Mar 31, 5:58 PM CDT | Tornado Watch | SPC | Autauga, Bibb, Blount, Chilton, Choctaw, Clarke and 33 more | 7 hr |
| Mar 31, 6:52 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Choctaw, Colbert, Cullman, Dallas and 22 more | 53 min |
Nearby
Mesoscale Discussions in Alabama, 2016Mesoscale Discussions in Florida, 2016Mesoscale Discussions in Georgia, 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.