Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 227
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2005, 1:47 AM CST for 25 counties in Texas. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2005, 1:47 AM CST (07:47 UTC)
- Expired
- Feb 24, 2005, 3:15 AM CST
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 25 counties
Bandera County, TX, Bee County, TX, Blanco County, TX, Caldwell County, TX, DeWitt County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, La Salle County, TX, Lavaca County, TX, Live Oak County, TX, Maverick County, TX, McMullen County, TX, Real County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 94 km from the middle of the area, began a volume at 07:46 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
Corpus Christi, TX (KCRP), launched 00:00Z, 7.8 hours before the alert went out and 187 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
- 1789 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
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, 6:46 PM CST | Mesoscale Discussion | SPC | Andrews, Gaines, Yoakum | 119 min |
| Feb 23, 7:36 PM CST | Mesoscale Discussion | SPC | Bandera, Bell, Blanco, Burnet, Caldwell, Comal and 26 more | 84 min |
| Feb 23, 8:15 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bexar, Blanco, Comal, Edwards and 11 more | 7 hr |
| Feb 23, 11:12 PM CST | Mesoscale Discussion | SPC | Brown, Coke, Coleman, Concho, Crockett, Irion and 13 more | 2 hr |
| Feb 23, 11:37 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Blanco, Comal, Dimmit and 12 more | 113 min |
| Feb 24, 2:15 AM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bee, Bexar, DeWitt, Goliad, Karnes and 6 more | 6 hr |
| Feb 24, 4:12 AM CST | Mesoscale Discussion | SPC | Aransas, Atascosa, Bee, Brazoria, Calhoun, DeWitt and 11 more | 93 min |
| Feb 24, 4:45 AM CST | Severe Thunderstorm Watch | SPC | Brazoria, Calhoun, Jackson, Matagorda, Wharton | 5 hr |
| Feb 24, 7:04 AM CST | Mesoscale Discussion | SPC | Bee, Brazoria, Calhoun, Chambers, DeWitt, Fort Bend and 10 more | 86 min |
Nearby
Mesoscale Discussions in Texas, 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.