Alert archive / Mississippi / Mesoscale Discussions in 2016
Mesoscale Discussion 165
The Storm Prediction Center issued this mesoscale discussion at Mar 1, 2016, 1:42 PM CST for 17 counties in Alabama; 20 counties in Mississippi. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2016, 1:42 PM CST (19:42 UTC)
- Expired
- Mar 1, 2016, 3:45 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 37 counties
Autauga County, AL, Bibb County, AL, Calhoun County, AL, Chilton County, AL, Choctaw County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Marengo County, AL, Perry County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Clarke County, MS, Copiah County, MS, Covington County, MS, Hinds County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Wayne County, MS
The radar
The Birmingham radar (KBMX), 120 km from the middle of the area, began a volume at 19:41 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 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, 7.7 hours before the alert went out and 119 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
- 23 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 896 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 91 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 1, 4:51 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 15 more | 114 min |
| Mar 1, 5:25 PM CST | Severe Thunderstorm Watch | SPC | Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 26 more | 5 hr |
Nearby
Mesoscale Discussions in Mississippi, 2016Mesoscale Discussions in Alabama, 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.