Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1272
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2011, 2:07 AM CDT for 55 counties in Kansas; 27 counties in Missouri; Pawnee County, Nebraska. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2011, 2:07 AM CDT (07:07 UTC)
- Expired
- Jun 18, 2011, 3:00 AM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 83 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Barton County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Ellis County, KS, Ellsworth County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Johnson County, KS, Leavenworth County, KS, Lincoln County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Miami County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Smith County, KS, Stafford County, KS, Wabaunsee County, KS, Washington County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Henry County, MO, Hickory County, MO, Howard 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, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO, Pawnee County, NE
The radar
The Topeka radar (KTWX), 20 km from the middle of the area, began a volume at 07:09 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, 7.1 hours before the alert went out and 59 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
- 2975 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1379 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.9
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 17, 8:19 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Barton, Bourbon, Brown and 67 more | 7 hr |
| Jun 17, 8:27 PM CDT | Mesoscale Discussion | SPC | Finney, Greeley, Hamilton, Kearny, Logan, Scott and 2 more | 93 min |
| Jun 17, 11:12 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Clay and 45 more | 93 min |
| Jun 18, 1:31 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Greeley, Sherman, Wallace | 7 hr |
| Jun 18, 3:34 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chautauqua, Cherokee and 10 more | 116 min |
| Jun 18, 5:15 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Gove, Greeley, Hamilton, Kearny and 8 more | 90 min |
| Jun 18, 5:36 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Edwards, Ellis, Finney, Ford, Gove and 20 more | 7 hr |
| Jun 18, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chautauqua, Cherokee and 20 more | 10 hr |
| Jun 18, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Carroll and 40 more | 5 hr |
| Jun 18, 5:39 AM CDT | Mesoscale Discussion | SPC | Audrain, Bollinger, Boone, Callaway, Camden, Cape Girardeau and 36 more | 66 min |
| Jun 18, 9:39 AM CDT | Severe Thunderstorm Watch | SPC | Dunklin, Pemiscot | 7 hr |
| Jun 17, 7:09 PM CDT | Severe Thunderstorm Watch | SPC | Burt, Cass, Cuming, Dakota, Dodge, Douglas and 6 more | 3 hr |
| Jun 18, 12:45 PM CDT | Mesoscale Discussion | SPC | Banner, Cheyenne, Kimball | 2 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.