Alert archive / Oklahoma / Mesoscale Discussions in 2009
Mesoscale Discussion 247
The Storm Prediction Center issued this mesoscale discussion at Mar 24, 2009, 2:28 AM CDT for 23 counties in Kansas; 11 counties in Missouri; 27 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2009, 2:28 AM CDT (07:28 UTC)
- Expired
- Mar 24, 2009, 4:30 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 61 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, Jackson County, MO, Lafayette County, MO, Livingston County, MO, Platte County, MO, Ray County, MO, Canadian County, OK, Cleveland County, OK, Craig County, OK, Creek County, OK, Garfield County, OK, Grady County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Pleasant Hill radar (KEAX), 158 km from the middle of the area, began a volume at 07:32 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 (KTOP), launched 00:00Z, 7.5 hours before the alert went out and 148 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
- 594 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1020 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 353 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.7
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, 11:09 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Butler, Chase and 31 more | 66 min |
| Mar 23, 11:35 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Butler, Chase and 31 more | 115 min |
| Mar 23, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Butler, Chase, Chautauqua and 28 more | 5 hr |
| Mar 24, 3:22 AM CDT | Mesoscale Discussion | SPC | Cherokee | 83 min |
| Mar 24, 9:38 AM CDT | Mesoscale Discussion | SPC | Barry, Barton, Benton, Callaway, Camden, Cedar and 42 more | 97 min |
| Mar 24, 10:00 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Benton, Camden, Cedar, Christian, Dade and 19 more | 5 hr |
| Mar 24, 12:02 PM CDT | Mesoscale Discussion | SPC | Barry, Camden, Carter, Christian, Cole, Crawford and 29 more | 88 min |
| Mar 24, 2:33 PM CDT | Mesoscale Discussion | SPC | Butler, Carter, Dunklin, New Madrid, Oregon, Pemiscot and 2 more | 87 min |
| Mar 24, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Iron and 14 more | 4 hr |
| Mar 24, 5:36 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 5 more | 54 min |
Nearby
Mesoscale Discussions in Oklahoma, 2009Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Missouri, 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.