Alert archive / Missouri / Mesoscale Discussions in 2006
Mesoscale Discussion 452
The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2006, 10:21 PM CDT for 4 states. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2006, 10:21 PM CDT (03:21 UTC)
- Expired
- Apr 6, 2006, 11:45 PM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
All 72 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Yell County, AR, Linn County, KS, Miami County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau 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
The radar
The Springfield radar (KSGF), 11 km from the middle of the area, began a volume at 03:22 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 00:00Z, 3.4 hours before the alert went out and 40 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
- 571 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.2
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 6, 7:53 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Polk, Scott, Sebastian, Washington | 97 min |
| Apr 6, 11:33 PM CDT | Tornado Watch | SPC | Clay, Cleburne, Craighead, Cross, Faulkner, Fulton and 12 more | 3 hr |
| Apr 7, 9:07 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lee and 5 more | 113 min |
| Apr 7, 10:20 AM CDT | Tornado Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more | 10 hr |
| Apr 7, 10:47 AM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Chicot, Desha, Drew and 4 more | 118 min |
| Apr 7, 11:34 AM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 10 more | 8 hr |
| Apr 7, 2:22 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Chicot, Clay, Craighead, Crittenden and 12 more | 113 min |
| Apr 7, 4:53 PM CDT | Mesoscale Discussion | SPC | Columbia, Lafayette | 67 min |
| Apr 7, 5:12 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 10 more | 93 min |
| Apr 7, 5:37 PM CDT | Tornado Watch | SPC | Columbia, Lafayette, Union | 7 hr |
| Apr 6, 7:12 PM CDT | Mesoscale Discussion | SPC | Doniphan, Leavenworth, Wyandotte | 63 min |
| Apr 6, 7:43 PM CDT | Tornado Watch | SPC | Atchison, Doniphan, Johnson, Leavenworth, Wyandotte | 5 hr |
| Apr 6, 8:29 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Brown, Chase, Chautauqua, Clay and 28 more | 91 min |
| Apr 6, 9:51 PM CDT | Mesoscale Discussion | SPC | Doniphan, Leavenworth, Wyandotte | 114 min |
| Apr 7, 12:52 PM CDT | Tornado Watch | SPC | Saint Charles, Saint Louis, City of Saint Louis | 7 hr |
| Apr 6, 9:27 PM CDT | Mesoscale Discussion | SPC | Bryan | 63 min |
Nearby
Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Arkansas, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion in 2006
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.