Alert archive / Oklahoma / Mesoscale Discussions in 2007
Mesoscale Discussion 186
The Storm Prediction Center issued this mesoscale discussion at Feb 23, 2007, 11:35 PM CST for 29 counties in Oklahoma; 18 counties in Texas. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Feb 23, 2007, 11:35 PM CST (05:35 UTC)
- Expired
- Feb 24, 2007, 1:30 AM CST
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 47 counties
Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garvin County, OK, Hughes County, OK, Johnston County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, McIntosh County, OK, Murray County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Grayson County, TX, Hood County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Montague County, TX, Parker County, TX, Rockwall County, TX, Tarrant County, TX, Wise County, TX
The radar
The Norman radar (KTLX), 77 km from the middle of the area, began a volume at 05:35 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
Norman, OK (KOUN), launched 00:00Z, 5.6 hours before the alert went out and 87 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
- 867 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 387 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 |
|---|---|---|---|---|
| Feb 23, 6:15 PM CST | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Harper and 2 more | 90 min |
| Feb 23, 7:35 PM CST | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 19 more | 85 min |
| Feb 23, 9:01 PM CST | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 18 more | 89 min |
| Feb 23, 9:26 PM CST | Tornado Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 41 more | 9 hr |
| Feb 24, 3:38 AM CST | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 43 more | 97 min |
| Feb 24, 5:20 AM CST | Mesoscale Discussion | SPC | Carter, Cleveland, Creek, Garvin, Hughes, Jefferson and 16 more | 55 min |
| Feb 24, 8:29 AM CST | Mesoscale Discussion | SPC | LeFlore, McCurtain, Sequoyah | 61 min |
| Feb 24, 8:47 AM CST | Tornado Watch | SPC | Haskell, Latimer, LeFlore, McCurtain, Sequoyah | 9 hr |
| Feb 24, 10:35 AM CST | Mesoscale Discussion | SPC | Bowie, Cass, Harrison, Marion, Panola | 115 min |
| Feb 24, 4:31 PM CST | Mesoscale Discussion | SPC | Newton, Orange | 59 min |
Nearby
Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
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.