Alert archive / Kansas / Mesoscale Discussions in 2013
Mesoscale Discussion 1983
The Storm Prediction Center issued this mesoscale discussion at Oct 30, 2013, 1:21 PM CDT for 33 counties in Kansas; Cass County, Jackson County, Missouri; 12 counties in Oklahoma. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Oct 30, 2013, 1:21 PM CDT (18:21 UTC)
- Expired
- Oct 30, 2013, 2:45 PM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 47 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jefferson County, KS, Johnson County, KS, Kingman County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Montgomery 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, Cass County, MO, Jackson County, MO, Alfalfa County, OK, Blaine County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Major County, OK, Noble County, OK, Osage County, OK, Woods County, OK, Woodward County, OK
The radar
The Wichita radar (KICT), 39 km from the middle of the area, began a volume at 18:20 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
Topeka, KS (KFOE), launched 12:00Z, 6.4 hours before the alert went out and 252 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
- 648 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 283 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.8
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 |
|---|---|---|---|---|
| Oct 30, 6:45 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Chase, Clay, Dickinson, Doniphan and 20 more | 2 hr |
| Oct 30, 9:29 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 2 more | 91 min |
| Oct 30, 10:45 AM CDT | Severe Thunderstorm Watch | SPC | Atchison, Doniphan | 6 hr |
| Oct 30, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Barber, Butler, Chase, Chautauqua and 19 more | 8 hr |
| Oct 30, 6:14 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Butler, Chase, Chautauqua and 17 more | 2 hr |
| Oct 30, 1:26 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Caldwell, Callaway, Carroll and 29 more | 94 min |
Nearby
Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 2013Mesoscale Discussions in Missouri, 2013Every mesoscale discussion in 2013
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.