Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 325
The Storm Prediction Center issued this mesoscale discussion at Mar 20, 2006, 1:26 AM CST for 65 counties in Texas. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2006, 1:26 AM CST (07:26 UTC)
- Expired
- Mar 20, 2006, 2:30 AM CST
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 65 counties
Angelina County, TX, Aransas County, TX, Atascosa County, TX, Austin County, TX, Bastrop County, TX, Bee County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Calhoun County, TX, Chambers County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Falls County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Goliad County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Houston County, TX, Jackson County, TX, Jasper County, TX, Jefferson County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Live Oak County, TX, Madison County, TX, Matagorda County, TX, McMullen County, TX, Milam County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Refugio County, TX, Robertson County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, San Patricio County, TX, Shelby County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 102 km from the middle of the area, began a volume at 07:29 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, 7.4 hours before the alert went out and 207 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
- 2116 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- -0.0
- 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 |
|---|---|---|---|---|
| Mar 19, 6:09 PM CST | Severe Thunderstorm Watch | SPC | Andrews, Bailey, Castro, Cochran, Crane, Deaf Smith and 12 more | 7 hr |
| Mar 19, 8:34 PM CST | Tornado Watch | SPC | Atascosa, Austin, Bandera, Bastrop, Bell, Bexar and 39 more | 7 hr |
| Mar 19, 8:54 PM CST | Mesoscale Discussion | SPC | Andrews, Bailey, Castro, Cochran, Crosby, Dawson and 17 more | 2 hr |
| Mar 19, 9:48 PM CST | Severe Thunderstorm Watch | SPC | Baylor, Borden, Briscoe, Callahan, Childress, Coke and 33 more | 5 hr |
| Mar 19, 10:32 PM CST | Mesoscale Discussion | SPC | Atascosa, Austin, Bandera, Bastrop, Bexar, Brazos and 28 more | 118 min |
| Mar 19, 11:37 PM CST | Mesoscale Discussion | SPC | Atascosa, Austin, Bandera, Bastrop, Bexar, Brazos and 28 more | 83 min |
| Mar 20, 2:08 AM CST | Mesoscale Discussion | SPC | Baylor, Callahan, Childress, Coke, Coleman, Cottle and 17 more | 67 min |
| Mar 20, 3:36 AM CST | Mesoscale Discussion | SPC | Angelina, Austin, Brazoria, Brazos, Burleson, Chambers and 27 more | 24 min |
| Mar 20, 4:21 AM CST | Mesoscale Discussion | SPC | Angelina, Hardin, Jasper, Liberty, Montgomery, Newton and 7 more | 24 min |
| Mar 20, 4:44 AM CST | Tornado Watch | SPC | Hardin, Jasper, Newton, Tyler | 5 hr |
| Mar 20, 6:36 AM CST | Mesoscale Discussion | SPC | Jasper, Newton, Sabine, San Augustine | 54 min |
| Mar 20, 9:20 AM CST | Mesoscale Discussion | SPC | Hardin, Jasper, Liberty, Newton, Polk, Sabine and 1 more | 85 min |
| Mar 20, 12:47 PM CST | Mesoscale Discussion | SPC | Clay, Hardeman, Montague, Wichita, Wilbarger | 88 min |
Nearby
Mesoscale Discussions in Texas, 2006Every mesoscale discussion in 2006
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.