Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 1509
The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2017, 4:47 PM CDT for 22 counties in Kansas; 13 counties in Missouri; 7 counties in Oklahoma. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2017, 4:47 PM CDT (21:47 UTC)
- Expired
- Aug 16, 2017, 6:15 PM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 42 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Cass County, MO, Cedar County, MO, Dade County, MO, Henry County, MO, Jasper County, MO, Lawrence County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Grant County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 9.8 hours before the alert went out and 167 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
- 1464 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 8.7
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 |
|---|---|---|---|---|
| Aug 16, 5:23 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Geary, Lincoln, Ottawa | 2 hr |
| Aug 16, 1:33 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Bourbon, Butler, Chase and 19 more | 117 min |
| Aug 16, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 24 more | 9 hr |
| Aug 16, 12:42 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Barry, Benton, Boone, Callaway and 43 more | 3 hr |
| Aug 16, 2:35 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Franklin, Gasconade, Jefferson, Lewis and 11 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Missouri, 2017Mesoscale Discussions in Oklahoma, 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.