Alert archive / Oklahoma / Mesoscale Discussions in 2006
Mesoscale Discussion 262
The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2006, 3:38 PM CST for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 3:38 PM CST (21:38 UTC)
- Expired
- Mar 12, 2006, 5:45 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Benton County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, McDonald County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Collin County, TX, Cooke County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Red River County, TX
The radar
The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 21:38 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
Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 248 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
- 262 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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 11, 6:11 PM CST | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Fulton, Marion, Washington | 2 hr |
| Mar 11, 6:49 PM CST | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 10 more | 7 hr |
| Mar 11, 7:48 PM CST | Mesoscale Discussion | SPC | Polk, Scott, Sebastian, Sevier | 87 min |
| Mar 11, 9:34 PM CST | Tornado Watch | SPC | Conway, Garland, Howard, Johnson, Logan, Montgomery and 8 more | 4 hr |
| Mar 11, 11:13 PM CST | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more | 92 min |
| Mar 12, 1:07 AM CST | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Fulton, Izard and 6 more | 7 hr |
| Mar 12, 3:39 AM CST | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Clay, Crawford and 17 more | 96 min |
| Mar 12, 12:46 PM CST | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 24 more | 9 hr |
| Mar 11, 6:39 PM CST | Mesoscale Discussion | SPC | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, City of Saint Louis | 66 min |
| Mar 12, 7:09 AM CST | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Clay, Clinton, DeKalb and 6 more | 96 min |
| Mar 12, 7:47 AM CST | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Bates, Buchanan, Cass, Clay and 8 more | 4 hr |
| Mar 12, 10:02 AM CST | Severe Thunderstorm Watch | SPC | Adair, Audrain, Boone, Caldwell, Callaway, Carroll and 25 more | 110 min |
| Mar 12, 11:17 AM CST | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Chariton, Clark, Howard and 15 more | 88 min |
| Mar 12, 11:29 AM CST | Mesoscale Discussion | SPC | McDonald, Newton | 2 hr |
| Mar 12, 11:49 AM CST | Tornado Watch | SPC | Adair, Andrew, Audrain, Barton, Bates, Benton and 83 more | 10 hr |
| Mar 12, 1:29 PM CST | Mesoscale Discussion | SPC | Audrain, Barton, Bates, Benton, Boone, Buchanan and 44 more | 91 min |
| Mar 12, 3:02 PM CST | Mesoscale Discussion | SPC | Adair, Audrain, Barton, Bates, Benton, Boone and 60 more | 88 min |
| Mar 12, 5:06 PM CST | Mesoscale Discussion | SPC | Adair, Audrain, Barton, Bates, Benton, Boone and 60 more | 84 min |
Nearby
Mesoscale Discussions in Oklahoma, 2006Mesoscale Discussions in Texas, 2006Mesoscale Discussions in Arkansas, 2006Every mesoscale discussion in 2006
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.