Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 429
The Storm Prediction Center issued this mesoscale discussion at Apr 23, 2019, 10:06 PM CDT for 55 counties in Texas. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Apr 23, 2019, 10:06 PM CDT (03:06 UTC)
- Expired
- Apr 23, 2019, 11:00 PM CDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
All 55 counties
Bandera County, TX, Blanco County, TX, Bosque County, TX, Brewster County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crane County, TX, Crockett County, TX, Dallas County, TX, Eastland County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Gillespie County, TX, Glasscock County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Irion County, TX, Johnson County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mills County, TX, Parker County, TX, Pecos County, TX, Reagan County, TX, Real County, TX, Rockwall County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Somervell County, TX, Sterling County, TX, Sutton County, TX, Tarrant County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Uvalde County, TX, Val Verde County, TX
The radar
The San Angelo radar (KSJT), 59 km from the middle of the area, began a volume at 03:07 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
Del Rio, TX (KDLF), launched 00:00Z, 3.1 hours before the alert went out and 173 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
- 1252 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 891 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:58 PM CDT | Mesoscale Discussion | SPC | Brewster, Culberson, Jeff Davis, Loving, Presidio, Reeves and 2 more | 47 min |
| Apr 23, 8:35 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Crane and 23 more | 55 min |
| Apr 23, 10:42 PM CDT | Severe Thunderstorm Watch | SPC | Bosque, Brewster, Brown, Coleman, Collin, Comanche and 32 more | 6 hr |
| Apr 23, 11:50 PM CDT | Mesoscale Discussion | SPC | Irion, Reagan, Tom Green | 85 min |
| Apr 24, 2:16 AM CDT | Mesoscale Discussion | SPC | Bosque, Brewster, Brown, Callahan, Coke, Coleman and 27 more | 89 min |
| Apr 24, 10:11 AM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bandera, Bastrop, Bee, Bell and 60 more | 2 hr |
| Apr 24, 11:51 AM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 25 more | 7 hr |
| Apr 24, 2:31 PM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bandera, Bastrop, Bee, Bell and 39 more | 89 min |
| Apr 24, 3:47 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Brazos, Burleson, Cherokee and 19 more | 43 min |
| Apr 24, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazos, Burleson, Colorado, Grimes, Houston and 10 more | 5 hr |
| Apr 24, 5:23 PM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Calhoun, Duval, Goliad, Jackson and 9 more | 67 min |
Nearby
Mesoscale Discussions in Texas, 2019Every mesoscale discussion in 2019
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.