Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 716
The Storm Prediction Center issued this mesoscale discussion at May 20, 2019, 11:31 PM CDT for 31 counties in Texas. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- May 20, 2019, 11:31 PM CDT (04:31 UTC)
- Expired
- May 21, 2019, 12:30 AM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 31 counties
Borden County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Fisher County, TX, Garza County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, Knox County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX
The radar
The San Angelo radar (KSJT), 100 km from the middle of the area, began a volume at 04:35 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
Del Rio, TX (KDLF), launched 00:00Z, 4.5 hours before the alert went out and 319 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
- 3800 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1510 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 25.6
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 |
|---|---|---|---|---|
| May 20, 8:22 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Foard, Hardeman, Knox and 3 more | 53 min |
| May 20, 8:53 PM CDT | Mesoscale Discussion | SPC | Borden, Dawson, Fisher, Garza, Glasscock, Haskell and 15 more | 97 min |
| May 20, 9:52 PM CDT | Tornado Watch | SPC | Borden, Brown, Callahan, Coke, Coleman, Concho and 33 more | 6 hr |
| May 20, 10:07 PM CDT | Tornado Watch | SPC | Archer, Baylor, Clay, Knox, Wichita, Wilbarger | 9 hr |
| May 20, 11:41 PM CDT | Mesoscale Discussion | SPC | Borden, Callahan, Coke, Coleman, Crane, Crockett and 25 more | 64 min |
| May 21, 2:24 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Clay, Coleman and 23 more | 96 min |
| May 21, 7:26 AM CDT | Mesoscale Discussion | SPC | Bowie, Fannin, Lamar, Red River | 94 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.