Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 183
The Storm Prediction Center issued this mesoscale discussion at Feb 23, 2007, 9:01 PM CST for 24 counties in Oklahoma; 34 counties in Texas. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Feb 23, 2007, 9:01 PM CST (03:01 UTC)
- Expired
- Feb 23, 2007, 10:30 PM CST
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 58 counties
Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Armstrong County, TX, Baylor County, TX, Briscoe County, TX, Childress County, TX, Clay County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Ochiltree County, TX, Roberts County, TX, Stonewall County, TX, Throckmorton County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The radar
The Amarillo radar (KAMA), 109 km from the middle of the area, began a volume at 03:04 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.0 hours before the alert went out and 108 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
- 298 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 2596 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
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, 9:26 PM CST | Tornado Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 41 more | 9 hr |
| Feb 23, 11:35 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 23 more | 115 min |
| 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 Texas, 2007Mesoscale Discussions in Oklahoma, 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.