Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 1740
The Storm Prediction Center issued this mesoscale discussion at Aug 22, 2015, 8:49 PM CDT for 4 states. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2015, 8:49 PM CDT (01:49 UTC)
- Expired
- Aug 22, 2015, 10:45 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 70 counties
Adair County, IA, Adams County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Guthrie County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Ellsworth County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth 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, Ottawa County, KS, Pottawatomie County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Topeka radar (KTWX), 137 km from the middle of the area, began a volume at 01:51 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
Topeka, KS (KFOE), launched 00:00Z, 1.8 hours before the alert went out and 126 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
- 858 J/kg
- Mixed-layer CIN
- -383 J/kg
- Mixed-layer LCL
- 1535 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 |
|---|---|---|---|---|
| Aug 22, 8:06 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Floyd, Franklin, Hancock, Howard, Mitchell and 3 more | 84 min |
| Aug 22, 11:53 PM CDT | Mesoscale Discussion | SPC | Barton, Butler, Chase, Chautauqua, Coffey, Cowley and 23 more | 2 hr |
| Aug 23, 4:31 AM CDT | Mesoscale Discussion | SPC | Barry, Christian, Douglas, McDonald, Ozark, Stone and 2 more | 59 min |
| Aug 23, 4:51 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Christian, Douglas, Howell, McDonald, Ozark and 5 more | 3 hr |
Nearby
Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Iowa, 2015Mesoscale Discussions in Missouri, 2015Every mesoscale discussion in 2015
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.