Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 264
The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2019, 1:09 PM CDT for 50 counties in Texas. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2019, 1:09 PM CDT (18:09 UTC)
- Expired
- Apr 6, 2019, 2:45 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 50 counties
Anderson County, TX, Angelina County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Cass County, TX, Cherokee County, TX, Comal County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Hamilton County, TX, Harrison County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Houston County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Robertson County, TX, Rusk County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Travis County, TX, Trinity County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Williamson County, TX, Wood County, TX
The radar
The Ft Hood radar (KGRK), 113 km from the middle of the area, began a volume at 18:08 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
Fort Worth, TX (KFWD), launched 12:00Z, 6.2 hours before the alert went out and 172 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
- 1268 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.6
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 5, 7:10 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Borden, Briscoe, Castro, Cochran and 42 more | 2 hr |
| Apr 6, 1:41 AM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Childress, Coke, Cottle, Crane and 25 more | 94 min |
| Apr 6, 7:58 AM CDT | Mesoscale Discussion | SPC | Archer, Brown, Clay, Coleman, Comanche, Cooke and 11 more | 92 min |
| Apr 6, 9:08 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bandera, Bastrop, Bell and 46 more | 3 hr |
| Apr 6, 10:35 AM CDT | Tornado Watch | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Brazos and 47 more | 7 hr |
| Apr 6, 3:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Bosque and 44 more | 87 min |
| Apr 6, 4:48 PM CDT | Mesoscale Discussion | SPC | Angelina, Brazos, Burleson, Cherokee, Grimes, Houston and 17 more | 117 min |
| Apr 6, 5:54 PM CDT | Tornado Watch | SPC | Angelina, Brazos, Burleson, Cherokee, Grimes, Houston and 12 more | 4 hr |
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.