Alert archive / Missouri / Mesoscale Discussions in 2011
Mesoscale Discussion 1203
The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2011, 2:41 AM CDT for 18 counties in Kansas; 25 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2011, 2:41 AM CDT (07:41 UTC)
- Expired
- Jun 13, 2011, 4:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Buchanan County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dallas County, MO, Henry County, MO, Hickory County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 24 km from the middle of the area, began a volume at 07:44 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
Topeka, KS (KTOP), launched 00:00Z, 7.7 hours before the alert went out and 107 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
- 373 J/kg
- Mixed-layer CIN
- -318 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 13, 3:51 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Kingman, Pratt, Reno and 2 more | 114 min |
| Jun 13, 5:24 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Greeley, Sherman, Wallace | 7 hr |
| Jun 13, 5:16 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audrain, Benton, Boone, Caldwell, Callaway and 69 more | 8 hr |
| Jun 13, 6:52 AM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Benton, Boone, Caldwell, Callaway and 58 more | 83 min |
| Jun 13, 9:06 AM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Mississippi and 7 more | 54 min |
| Jun 13, 10:04 AM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Benton, Boone, Caldwell, Callaway and 50 more | 86 min |
| Jun 13, 10:05 AM CDT | Severe Thunderstorm Watch | SPC | Butler, Carter, Douglas, Dunklin, Howell, New Madrid and 6 more | 8 hr |
| Jun 13, 3:25 PM CDT | Mesoscale Discussion | SPC | Douglas, Howell, Ozark, Taney | 35 min |
Nearby
Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Kansas, 2011Every mesoscale discussion in 2011
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.