Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 211
The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2005, 10:52 PM CST for 31 counties in Oklahoma; 36 counties in Texas. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2005, 10:52 PM CST (04:52 UTC)
- Expired
- Feb 22, 2005, 11:45 PM CST
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 67 counties
Atoka County, OK, Bryan County, OK, Canadian County, OK, Carter County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Cotton County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Archer County, TX, Bosque County, TX, Brown County, TX, Clay County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Van Zandt County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 97 km from the middle of the area, began a volume at 04:52 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
Fort Worth, TX (KFWD), launched 00:00Z, 4.9 hours before the alert went out and 70 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
- 1490 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 |
|---|---|---|---|---|
| Feb 22, 9:23 PM CST | Mesoscale Discussion | SPC | Caddo, Carter, Comanche, Cotton, Custer, Grady and 6 more | 67 min |
| Feb 22, 9:45 PM CST | Severe Thunderstorm Watch | SPC | Atoka, Caddo, Carter, Cleveland, Coal, Comanche and 15 more | 5 hr |
| Feb 22, 11:30 PM CST | Severe Thunderstorm Watch | SPC | Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 37 more | 8 hr |
| Feb 23, 1:41 AM CST | Mesoscale Discussion | SPC | Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 35 more | 2 hr |
| Feb 22, 7:45 PM CST | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Coke, Coleman and 20 more | 60 min |
| Feb 23, 7:50 AM CST | Mesoscale Discussion | SPC | Angelina, Brazos, Burleson, Grimes, Hardin, Harris and 18 more | 115 min |
| Feb 23, 10:35 AM CST | Mesoscale Discussion | SPC | Angelina, Hardin, Jasper, Liberty, Montgomery, Newton and 7 more | 115 min |
| Feb 23, 1:19 PM CST | Mesoscale Discussion | SPC | Brown, Concho, Crockett, Irion, Kimble, Lampasas and 10 more | 116 min |
| Feb 23, 2:00 PM CST | Mesoscale Discussion | SPC | Brazoria, Calhoun, Chambers, Fort Bend, Harris, Jackson and 5 more | 2 hr |
| Feb 23, 2:10 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Blanco, Burnet, Comal, Concho, Coryell and 20 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Oklahoma, 2005Every mesoscale discussion in 2005
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.