Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1155
The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2011, 2:13 PM CDT for 41 counties in Kansas; 12 counties in Missouri; 5 counties in Nebraska. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2011, 2:13 PM CDT (19:13 UTC)
- Expired
- Jun 9, 2011, 3:45 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 58 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Holt County, MO, Jackson County, MO, Nodaway County, MO, Platte County, MO, Ray County, MO, Gage County, NE, Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Topeka radar (KTWX), 33 km from the middle of the area, began a volume at 19:14 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 12:00Z, 7.2 hours before the alert went out and 53 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
- 2086 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1051 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 70 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 |
|---|---|---|---|---|
| Jun 8, 8:18 PM CDT | Severe Thunderstorm Watch | SPC | Harper, Harvey, Kingman, Reno, Sedgwick, Sumner | 4 hr |
| Jun 9, 3:05 PM CDT | Tornado Watch | SPC | Anderson, Atchison, Brown, Clay, Coffey, Dickinson and 20 more | 7 hr |
| Jun 9, 3:27 PM CDT | Mesoscale Discussion | SPC | Butler, Cowley, Harper, Harvey, Kingman, Reno and 2 more | 2 hr |
| Jun 9, 3:49 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Butler, Chase, Chautauqua, Cowley, Elk and 16 more | 8 hr |
| Jun 9, 1:44 AM CDT | Mesoscale Discussion | SPC | Atchison, Worth | 2 hr |
| Jun 9, 9:50 AM CDT | Mesoscale Discussion | SPC | Adair, Atchison, Gentry, Harrison, Holt, Mercer and 6 more | 55 min |
| Jun 9, 4:29 PM CDT | Mesoscale Discussion | SPC | Clark, Knox, Lewis, Marion, Monroe, Pike and 2 more | 61 min |
| Jun 9, 4:43 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Knox, Lewis, Lincoln, Marion, Monroe and 3 more | 5 hr |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Nebraska, 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.