Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 2230
The Storm Prediction Center issued this mesoscale discussion at Oct 7, 2011, 12:42 AM CDT for 15 counties in Kansas; 7 counties in Nebraska. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Oct 7, 2011, 12:42 AM CDT (05:42 UTC)
- Expired
- Oct 7, 2011, 2:15 AM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 22 counties
Ellis County, KS, Gove County, KS, Graham County, KS, Hodgeman County, KS, Lane County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Rush County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Trego County, KS, Adams County, NE, Franklin County, NE, Furnas County, NE, Harlan County, NE, Kearney County, NE, Phelps County, NE, Webster County, NE
The radar
The Goodland radar (KGLD), 156 km from the middle of the area, began a volume at 05:44 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 nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 5.7 hours before the alert went out and 165 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
- 251 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 423 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Oct 6, 8:29 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more | 5 hr |
| Oct 6, 11:08 PM CDT | Mesoscale Discussion | SPC | Decatur, Gove, Graham, Lane, Logan, Norton and 4 more | 97 min |
| Oct 7, 2:24 PM CDT | Mesoscale Discussion | SPC | Ellis, Gove, Graham, Lane, Ness, Norton and 4 more | 96 min |
| Oct 7, 6:00 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Greeley, Hamilton and 19 more | 2 hr |
| Oct 7, 6:33 PM CDT | Tornado Watch | SPC | Cheyenne, Decatur, Finney, Gove, Graham, Grant and 19 more | 7 hr |
| Oct 6, 8:45 PM CDT | Mesoscale Discussion | SPC | Arthur, Cherry, Garden, Grant, Hooker, Logan and 2 more | 90 min |
| Oct 7, 6:45 PM CDT | Tornado Watch | SPC | Adams, Antelope, Boone, Buffalo, Colfax, Custer and 24 more | 7 hr |
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.