Alert archive / Kansas / Mesoscale Discussions in 2009
Mesoscale Discussion 296
The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2009, 12:30 PM CDT for 26 counties in Kansas; 25 counties in Oklahoma; 14 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2009, 12:30 PM CDT (17:30 UTC)
- Expired
- Mar 27, 2009, 6:30 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Barber County, KS, Butler County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Harper County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Seward County, KS, Stafford County, KS, Stevens County, KS, Sumner County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Carson County, TX, Childress County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX
The radar
The Vance AFB radar (KVNX), 113 km from the middle of the area, began a volume at 17:33 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
Lamont, OK (KLMN), launched 12:00Z, 5.5 hours before the alert went out and 170 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 494 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 26, 11:34 PM CDT | Mesoscale Discussion | SPC | Hamilton, Morton, Stanton, Stevens | 4 hr |
| Mar 27, 2:55 AM CDT | Mesoscale Discussion | SPC | Grant, Greeley, Hamilton, Haskell, Kearny, Morton and 4 more | 4 hr |
| Mar 27, 8:04 AM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Finney, Ford and 13 more | 4 hr |
| Mar 26, 7:32 PM CDT | Severe Thunderstorm Watch | SPC | Atoka, Bryan, Carter, Coal, Jefferson, Johnston and 3 more | 4 hr |
| Mar 26, 9:28 PM CDT | Mesoscale Discussion | SPC | Choctaw, LeFlore, McCurtain, Pushmataha | 62 min |
| Mar 27, 6:50 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Creek, Dewey, Garfield and 14 more | 85 min |
| Mar 27, 12:33 PM CDT | Mesoscale Discussion | SPC | Bryan, Choctaw, McCurtain | 57 min |
| Mar 27, 12:58 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Choctaw, LeFlore, McCurtain, Marshall and 1 more | 7 hr |
| Mar 27, 3:34 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, McCurtain, Marshall, Pushmataha | 56 min |
| Mar 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Angelina, Cherokee, Hardin, Jasper, Jefferson, Nacogdoches and 6 more | 92 min |
| Mar 27, 10:24 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bastrop, Bell, Brazoria and 43 more | 96 min |
| Mar 27, 11:48 AM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazos, Burleson, Chambers, Grimes, Hardin and 16 more | 5 hr |
| Mar 27, 3:43 PM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Harris, Jasper, Jefferson, Liberty and 6 more | 62 min |
| Mar 27, 4:49 PM CDT | Tornado Watch | SPC | Brazoria, Chambers, Galveston, Hardin, Harris, Jasper and 6 more | 3 hr |
| Mar 27, 5:53 PM CDT | Mesoscale Discussion | SPC | Bowie, Cass | 97 min |
| Mar 27, 6:35 PM CDT | Tornado Watch | SPC | Angelina, Bowie, Camp, Cass, Cherokee, Gregg and 10 more | 7 hr |
Nearby
Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Oklahoma, 2009Mesoscale Discussions in Texas, 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.