Alert archive / Mississippi / Mesoscale Discussions in 2014
Mesoscale Discussion 853
The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2014, 11:22 AM CDT for 5 states. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2014, 11:22 AM CDT (16:22 UTC)
- Expired
- Jun 6, 2014, 12:45 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 92 counties
Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Crittenden County, AR, Lee County, AR, Phillips County, AR, St. Francis County, AR, Bartow County, GA, Carroll County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Douglas County, GA, Floyd County, GA, Gordon County, GA, Haralson County, GA, Heard County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Walker County, GA, Alcorn County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Fayette County, TN, Hardeman County, TN, Hardin County, TN, Lawrence County, TN, McNairy County, TN, Shelby County, TN, Wayne County, TN
The radar
The Columbus AFB radar (KGWX), 24 km from the middle of the area, began a volume at 16:23 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, 4.4 hours before the alert went out and 166 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
- 1535 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Jun 6, 11:51 AM CDT | Severe Thunderstorm Watch | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 44 more | 7 hr |
| Jun 6, 2:43 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 28 more | 92 min |
| Jun 6, 3:06 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Choctaw, Clarke and 12 more | 114 min |
| Jun 6, 5:37 PM CDT | Mesoscale Discussion | SPC | Autauga, Butler, Dallas, Lowndes, Marengo, Montgomery and 2 more | 83 min |
| Jun 6, 6:49 PM CDT | Severe Thunderstorm Watch | SPC | Butler, Coffee, Conecuh, Covington, Crenshaw, Dale and 6 more | 6 hr |
| Jun 5, 9:14 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll | 3 hr |
| Jun 5, 9:36 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Madison, Washington | 7 hr |
| Jun 6, 9:52 AM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleveland, Conway and 32 more | 53 min |
| Jun 6, 10:18 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Baxter, Benton, Boone, Bradley, Calhoun and 51 more | 5 hr |
| Jun 6, 12:49 PM CDT | Mesoscale Discussion | SPC | Conway, Faulkner, Grant, Hot Spring, Jefferson, Lonoke and 8 more | 56 min |
| Jun 5, 9:13 PM CDT | Mesoscale Discussion | SPC | Burke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 2 more | 92 min |
| Jun 6, 2:21 PM CDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 50 more | 2 hr |
Nearby
Mesoscale Discussions in Mississippi, 2014Mesoscale Discussions in Alabama, 2014Mesoscale Discussions in Georgia, 2014Every mesoscale discussion in 2014
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.