Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 1900
The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2008, 4:00 PM CDT for 51 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2008, 4:00 PM CDT (21:00 UTC)
- Expired
- Jul 24, 2008, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 51 counties
Aransas County, TX, Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Calhoun County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Duval County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Jackson County, TX, Jim Wells County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Kleberg County, TX, La Salle County, TX, Lavaca County, TX, Live Oak County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Nueces County, TX, Real County, TX, Refugio County, TX, San Patricio County, TX, Sutton County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Victoria County, TX, Webb County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 106 km from the middle of the area, began a volume at 21:02 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
Corpus Christi, TX (KCRP), launched 12:00Z, 9.0 hours before the alert went out and 231 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
- 373 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Jul 23, 7:09 PM CDT | Tornado Watch | SPC | Aransas, Bee, Brooks, Calhoun, Duval, Goliad and 15 more | 12 hr |
| Jul 24, 6:24 AM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Brazoria, Brooks, Calhoun, Cameron and 26 more | 96 min |
| Jul 24, 7:00 AM CDT | Tornado Watch | SPC | Aransas, Atascosa, Bandera, Bee, Bexar, Blanco and 40 more | 12 hr |
| Jul 24, 12:22 PM CDT | Mesoscale Discussion | SPC | Aransas, Atascosa, Bandera, Bee, Bexar, Blanco and 27 more | 113 min |
Nearby
Mesoscale Discussions in Texas, 2008Every mesoscale discussion in 2008
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.