Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 1725
The Storm Prediction Center issued this mesoscale discussion at Oct 21, 2017, 5:38 PM CDT for 5 counties in Iowa; 37 counties in Kansas; 26 counties in Missouri. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Oct 21, 2017, 5:38 PM CDT (22:38 UTC)
- Expired
- Oct 21, 2017, 6:45 PM CDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 68 counties
Appanoose County, IA, Decatur County, IA, Ringgold County, IA, Taylor County, IA, Wayne County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Sullivan County, MO, Worth County, MO
The radar
The Topeka radar (KTWX), 72 km from the middle of the area, began a volume at 22:40 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 12:00Z, 10.6 hours before the alert went out and 21 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
- 51 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 1:23 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Ringgold and 1 more | 3 hr |
| Oct 21, 2:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Bremer, Buena Vista and 40 more | 2 hr |
| Oct 21, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Brown, Butler, Chase and 31 more | 8 hr |
Nearby
Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Missouri, 2017Mesoscale Discussions in Iowa, 2017Every mesoscale discussion in 2017
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.