Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1930
The Storm Prediction Center issued this mesoscale discussion at Aug 10, 2011, 3:25 AM CDT for 18 counties in Kansas. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2011, 3:25 AM CDT (08:25 UTC)
- Expired
- Aug 10, 2011, 4:30 AM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
Counties Barton County, KS, Butler County, KS, Cowley County, KS, Ellis County, KS, Ellsworth County, KS, Greenwood County, KS, Harvey County, KS, Kingman County, KS, McPherson County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS
The radar
The Wichita radar (KICT), 103 km from the middle of the area, began a volume at 08:27 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
Dodge City, (KDDC), launched 00:00Z, 8.4 hours before the alert went out and 134 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
- 548 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 2671 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
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 |
|---|---|---|---|---|
| Aug 9, 8:27 PM CDT | Mesoscale Discussion | SPC | Clark, Comanche, Kiowa, Meade, Seward | 2 hr |
| Aug 9, 9:26 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Graham, Norton, Rawlins, Sheridan and 2 more | 64 min |
| Aug 9, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more | 7 hr |
| Aug 9, 11:11 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Butler, Chautauqua, Cowley, Edwards and 28 more | 94 min |
| Aug 10, 3:42 AM CDT | Severe Thunderstorm Watch | SPC | Barton, Butler, Chase, Chautauqua, Cowley, Elk and 17 more | 3 hr |
| Aug 10, 3:53 AM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Gove, Rawlins, Sheridan, Sherman and 1 more | 67 min |
| Aug 10, 6:54 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Gove, Graham, Logan, Norton and 5 more | 66 min |
Nearby
Mesoscale Discussions in Kansas, 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.