Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 427
The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2011, 6:18 PM CDT for 4 states. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2011, 6:18 PM CDT (23:18 UTC)
- Expired
- Apr 14, 2011, 8:15 PM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 80 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Elk County, KS, Ellsworth County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Johnson County, KS, Kingman County, KS, Labette 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, Montgomery County, KS, Morris County, KS, Neosho 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, Russell County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Smith County, KS, Sumner County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Nuckolls County, NE, Thayer County, NE, Webster County, NE, Craig County, OK, Ottawa County, OK
The radar
The Topeka radar (KTWX), 129 km from the middle of the area, began a volume at 23:18 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 (KFOE), launched 12:00Z, 11.3 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 97 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 |
|---|---|---|---|---|
| Apr 14, 12:34 PM CDT | Mesoscale Discussion | SPC | Barton, Butler, Chase, Chautauqua, Cloud, Cowley and 18 more | 116 min |
| Apr 14, 2:10 PM CDT | Tornado Watch | SPC | Allen, Anderson, Barton, Butler, Chase, Chautauqua and 41 more | 6 hr |
| Apr 14, 6:19 PM CDT | Mesoscale Discussion | SPC | Arthur, Chase, Cherry, Deuel, Dundy, Garden and 8 more | 4 hr |
| Apr 14, 1:33 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 33 more | 2 hr |
| Apr 14, 2:28 PM CDT | Tornado Watch | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 41 more | 7 hr |
| Apr 14, 5:21 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Cherokee, Choctaw, Coal and 31 more | 54 min |
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.