Alert archive / Texas / Mesoscale Discussions in 2013
Mesoscale Discussion 369
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2013, 1:42 PM CDT for 17 counties in Texas. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2013, 1:42 PM CDT (18:42 UTC)
- Expired
- Apr 2, 2013, 3:15 PM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
Counties Brewster County, TX, Concho County, TX, Crockett County, TX, Edwards County, TX, Irion County, TX, Jeff Davis County, TX, Kinney County, TX, Menard County, TX, Pecos County, TX, Presidio County, TX, Reagan County, TX, Schleicher County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 6.7 hours before the alert went out and 178 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
- 1695 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.3
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 1, 7:39 PM CDT | Mesoscale Discussion | SPC | Baylor, Callahan, Haskell, Jones, King, Knox and 5 more | 66 min |
| Apr 1, 11:52 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Brown, Callahan, Coke, Coleman and 27 more | 53 min |
| Apr 2, 3:20 AM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Burleson, Coryell, Falls, Hamilton and 6 more | 115 min |
| Apr 2, 1:59 PM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Bell, Blanco, Bosque, Burleson and 25 more | 61 min |
| Apr 2, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 56 more | 8 hr |
| Apr 2, 3:38 PM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 7 more | 67 min |
| Apr 2, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 14 more | 7 hr |
| Apr 2, 5:03 PM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Bell, Bexar, Blanco, Brewster and 41 more | 87 min |
| Apr 2, 5:41 PM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Burleson, Colorado, Fayette, Fort Bend and 9 more | 94 min |
| Apr 2, 6:33 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Eastland, Fisher, Haskell and 12 more | 117 min |
Nearby
Mesoscale Discussions in Texas, 2013Every mesoscale discussion in 2013
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.