Alert archive / Kansas / Mesoscale Discussions in 2009
Mesoscale Discussion 240
The Storm Prediction Center issued this mesoscale discussion at Mar 23, 2009, 12:39 PM CDT for 28 counties in Kansas; 6 counties in Oklahoma. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Mar 23, 2009, 12:39 PM CDT (17:39 UTC)
- Expired
- Mar 23, 2009, 2:15 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 34 counties
Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Osborne County, KS, Ottawa County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Smith County, KS, Sumner County, KS, Washington County, KS, Alfalfa County, OK, Blaine County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK
The radar
The Wichita radar (KICT), 72 km from the middle of the area, began a volume at 17:39 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 (KTOP), launched 12:00Z, 5.7 hours before the alert went out and 175 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
- 3 J/kg
- Mixed-layer CIN
- -529 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 332 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 |
|---|---|---|---|---|
| Mar 23, 1:03 PM CDT | Tornado Watch | SPC | Brown, Butler, Chase, Clay, Cloud, Cowley and 29 more | 6 hr |
| Mar 23, 3:11 PM CDT | Mesoscale Discussion | SPC | Brown, Butler, Chase, Chautauqua, Clay, Cloud and 27 more | 94 min |
| Mar 23, 5:08 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 40 more | 97 min |
| Mar 23, 6:47 PM CDT | Tornado Watch | SPC | Allen, Anderson, Brown, Butler, Chase, Chautauqua and 32 more | 5 hr |
| Mar 23, 5:19 PM CDT | Tornado Watch | SPC | Blaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 24 more | 7 hr |
Nearby
Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Oklahoma, 2009Every mesoscale discussion in 2009
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.