Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 2289
The Storm Prediction Center issued this mesoscale discussion at Nov 7, 2011, 1:30 PM CST for 12 counties in Kansas; 10 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 7, 2011, 1:30 PM CST (19:30 UTC)
- Expired
- Nov 7, 2011, 3:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Barber County, KS, Butler County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Kingman County, KS, Montgomery County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Alfalfa County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Major County, OK, Noble County, OK, Woods County, OK, Woodward County, OK
The radar
The Wichita radar (KICT), 62 km from the middle of the area, began a volume at 19:29 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
Norman, OK (KOUN), launched 12:00Z, 7.5 hours before the alert went out and 209 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
- 1081 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.1
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 |
|---|---|---|---|---|
| Nov 7, 4:58 PM CST | Mesoscale Discussion | SPC | Chautauqua, Elk, Labette, Montgomery, Neosho, Wilson | 92 min |
| Nov 7, 5:37 PM CST | Tornado Watch | SPC | Allen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 7 more | 7 hr |
| Nov 6, 7:00 PM CST | Mesoscale Discussion | SPC | Carter, Garvin, Jefferson, Johnston, Love, Marshall and 2 more | 90 min |
| Nov 7, 7:52 AM CST | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 15 more | 83 min |
| Nov 7, 12:27 PM CST | Mesoscale Discussion | SPC | Beckham, Caddo, Comanche, Cotton, Custer, Greer and 6 more | 93 min |
| Nov 7, 1:11 PM CST | Tornado Watch | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 17 more | 8 hr |
| Nov 7, 5:51 PM CST | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Comanche, Custer, Garfield and 10 more | 114 min |
| Nov 7, 5:53 PM CST | Mesoscale Discussion | SPC | Love, Marshall | 67 min |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Oklahoma, 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.