Alert archive / Missouri / Mesoscale Discussions in 2009
Mesoscale Discussion 812
The Storm Prediction Center issued this mesoscale discussion at May 13, 2009, 1:52 PM CDT for 4 states. It was in force for 23 min.
The area
The outline as issued.
The facts
- Issued
- May 13, 2009, 1:52 PM CDT (18:52 UTC)
- Expired
- May 13, 2009, 2:15 PM CDT
- In force
- 23 min
- Issued by
- the Storm Prediction Center
All 83 counties
Appanoose County, IA, Davis County, IA, Lee County, IA, Monroe County, IA, Van Buren County, IA, Wayne County, IA, Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Hancock County, IL, Jersey County, IL, Macoupin County, IL, Pike County, IL, Scott County, IL, Anderson County, KS, Bourbon County, KS, Crawford County, KS, Johnson County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Audrain County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Franklin County, MO, Gasconade County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Marion County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Platte County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Warren County, MO
The radar
The Pleasant Hill radar (KEAX), 142 km from the middle of the area, began a volume at 18:54 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 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 |
|---|---|---|---|---|
| May 13, 9:27 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 54 more | 63 min |
| May 13, 1:15 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Franklin, Jackson, Jefferson, Macoupin and 7 more | 30 min |
| May 13, 2:39 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Fulton and 16 more | 7 hr |
| May 13, 3:00 PM CDT | Tornado Watch | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 24 more | 5 hr |
| May 13, 5:47 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 50 more | 88 min |
| May 13, 6:02 PM CDT | Tornado Watch | SPC | Boone, Champaign, Cook, DeKalb, DeWitt, DuPage and 26 more | 5 hr |
| May 13, 6:05 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Edwards, Effingham, Franklin and 17 more | 85 min |
| May 12, 8:42 PM CDT | Mesoscale Discussion | SPC | Lyon | 93 min |
| May 13, 3:21 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Butler, Chase, Chautauqua and 14 more | 84 min |
| May 13, 4:51 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chautauqua, Cherokee and 19 more | 6 hr |
| May 13, 6:30 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Cowley and 9 more | 90 min |
Nearby
Mesoscale Discussions in Missouri, 2009Mesoscale Discussions in Illinois, 2009Mesoscale Discussions in Kansas, 2009Every mesoscale discussion in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.