Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1064
The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2011, 11:25 PM CDT for 33 counties in Kansas; 15 counties in Nebraska. It was in force for 35 min.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2011, 11:25 PM CDT (04:25 UTC)
- Expired
- Jun 2, 2011, 12:00 AM CDT
- In force
- 35 min
- Issued by
- the Storm Prediction Center
All 48 counties
Barton County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jackson County, KS, Jewell County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Smith County, KS, Wabaunsee County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Sherman County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 103 km from the middle of the area, began a volume at 04:27 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, 4.4 hours before the alert went out and 194 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
- 1634 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 10.8
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 1, 7:19 PM CDT | Mesoscale Discussion | SPC | Barton, Chase, Clay, Cloud, Dickinson, Ellis and 21 more | 56 min |
| Jun 1, 7:37 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Finney, Ford, Grant, Gray, Hamilton and 8 more | 3 hr |
| Jun 1, 11:49 PM CDT | Severe Thunderstorm Watch | SPC | Chase, Cloud, Dickinson, Ellsworth, Geary, Jewell and 15 more | 4 hr |
| Jun 2, 2:12 AM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Geary, Jackson, Jewell and 11 more | 2 hr |
| Jun 2, 6:03 PM CDT | Mesoscale Discussion | SPC | Box Butte, Dawes, Sheridan | 87 min |
Nearby
Mesoscale Discussions in Kansas, 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.