Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 742
The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2008, 2:11 AM CDT for 31 counties in Texas. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 2008, 2:11 AM CDT (07:11 UTC)
- Expired
- Apr 26, 2008, 3:45 AM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
All 31 counties
Aransas County, TX, Atascosa County, TX, Bee County, TX, Brazoria County, TX, Brooks County, TX, Calhoun County, TX, DeWitt County, TX, Dimmit County, TX, Duval County, TX, Frio County, TX, Galveston County, TX, Goliad County, TX, Gonzales County, TX, Jackson County, TX, Jim Hogg County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, La Salle County, TX, Lavaca County, TX, Live Oak County, TX, Matagorda County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Webb County, TX, Wharton County, TX, Wilson County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 96 km from the middle of the area, began a volume at 07:14 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 00:00Z, 7.2 hours before the alert went out and 103 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
- 1723 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 |
|---|---|---|---|---|
| Apr 25, 7:02 PM CDT | Mesoscale Discussion | SPC | Bell, Williamson | 88 min |
| Apr 25, 9:39 PM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Blanco, Burnet, Comal, Edwards and 13 more | 66 min |
| Apr 25, 11:49 PM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bastrop, Bexar, Burleson, Caldwell and 17 more | 56 min |
| Apr 26, 3:43 PM CDT | Mesoscale Discussion | SPC | Armstrong, Bailey, Borden, Briscoe, Carson, Castro and 31 more | 2 hr |
| Apr 26, 5:46 PM CDT | Mesoscale Discussion | SPC | Coke, Concho, Crockett, Glasscock, Irion, Menard and 6 more | 59 min |
| Apr 26, 6:04 PM CDT | Severe Thunderstorm Watch | SPC | Bandera, Baylor, Blanco, Borden, Brown, Callahan and 49 more | 7 hr |
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.