Alert archive / Oklahoma / Mesoscale Discussions in 2006
Mesoscale Discussion 2237
The Storm Prediction Center issued this mesoscale discussion at Nov 29, 2006, 3:05 PM CST for Crawford County, Sebastian County, Arkansas; 22 counties in Oklahoma; 16 counties in Texas. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Nov 29, 2006, 3:05 PM CST (21:05 UTC)
- Expired
- Nov 29, 2006, 4:30 PM CST
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 40 counties
Crawford County, AR, Sebastian County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK, Collin County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Fannin County, TX, Grayson County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, Tarrant County, TX, Wise County, TX
The radar
The Norman radar (KTLX), 133 km from the middle of the area, began a volume at 21:06 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
Fort Sill, OK (KFSI), launched 12:00Z, 9.1 hours before the alert went out and 191 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
- 259 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 310 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 |
|---|---|---|---|---|
| Nov 29, 10:55 AM CST | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Madison, Sebastian, Washington | 65 min |
| Nov 29, 12:28 PM CST | Tornado Watch | SPC | Crawford, Sebastian, Washington | 7 hr |
| Nov 28, 9:57 PM CST | Mesoscale Discussion | SPC | Craig, Nowata, Osage, Ottawa, Rogers, Washington | 2 hr |
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.