Alert archive / Kansas / Mesoscale Discussions in 2013
Mesoscale Discussion 1985
The Storm Prediction Center issued this mesoscale discussion at Oct 30, 2013, 6:14 PM CDT for 23 counties in Kansas; 19 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 30, 2013, 6:14 PM CDT (23:14 UTC)
- Expired
- Oct 30, 2013, 8:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Allen County, KS, Anderson County, KS, Barber 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, Kingman County, KS, Labette County, KS, Lyon County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Kay County, OK, Kingfisher County, OK, Major County, OK, Noble County, OK, Osage County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 13 km from the middle of the area, began a volume at 23:16 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, 11.2 hours before the alert went out and 320 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, 1:21 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Bourbon, Butler, Chase and 27 more | 84 min |
| Oct 30, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Barber, Butler, Chase, Chautauqua and 19 more | 8 hr |
Nearby
Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 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.