Alert archive / Missouri / Mesoscale Discussions in 2014
Mesoscale Discussion 340
The Storm Prediction Center issued this mesoscale discussion at Apr 13, 2014, 4:13 PM CDT for 4 states. It was in force for 32 min.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2014, 4:13 PM CDT (21:13 UTC)
- Expired
- Apr 13, 2014, 4:45 PM CDT
- In force
- 32 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 65 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Van Buren County, AR, Washington County, AR, Cherokee County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Delaware County, OK, Ottawa County, OK, Sequoyah County, OK
The radar
The Springfield radar (KSGF), 15 km from the middle of the area, began a volume at 21:16 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
Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 58 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
- 381 J/kg
- Mixed-layer CIN
- -335 J/kg
- Mixed-layer LCL
- 883 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 367 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Apr 13, 2:34 PM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 2 more | 2 hr |
| Apr 13, 4:27 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Madison, Marion and 3 more | 7 hr |
| Apr 13, 4:54 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Hempstead, Howard, Lafayette, Little River and 4 more | 66 min |
| Apr 13, 5:13 PM CDT | Tornado Watch | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 6 hr |
| Apr 13, 6:01 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Madison, Marion and 3 more | 59 min |
| Apr 13, 6:25 PM CDT | Mesoscale Discussion | SPC | Clark, Conway, Crawford, Franklin, Garland, Hempstead and 15 more | 65 min |
| Apr 12, 9:12 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Chase, Dickinson, Doniphan, Geary and 11 more | 63 min |
| Apr 12, 11:26 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan | 64 min |
| Apr 13, 7:41 AM CDT | Mesoscale Discussion | SPC | Doniphan | 2 hr |
| Apr 13, 11:10 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Brown, Butler, Chase and 27 more | 3 hr |
| Apr 13, 12:02 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Brown, Butler, Chase and 34 more | 7 hr |
| Apr 13, 1:16 PM CDT | Mesoscale Discussion | SPC | Jewell, Norton, Phillips, Smith | 6 hr |
| Apr 13, 2:32 PM CDT | Mesoscale Discussion | SPC | Atchison, Coffey, Doniphan, Douglas, Elk, Franklin and 7 more | 88 min |
| Apr 13, 12:26 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 25 more | 94 min |
| Apr 13, 1:56 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Canadian, Carter, Cleveland, Coal and 39 more | 8 hr |
| Apr 13, 3:09 PM CDT | Mesoscale Discussion | SPC | Carter, Cleveland, Creek, Garvin, Grady, Lincoln and 12 more | 96 min |
Nearby
Mesoscale Discussions in Missouri, 2014Mesoscale Discussions in Arkansas, 2014Mesoscale Discussions in Oklahoma, 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.