Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 877
The Storm Prediction Center issued this mesoscale discussion at May 29, 2019, 9:04 AM CDT for 25 counties in Texas. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- May 29, 2019, 9:04 AM CDT (14:04 UTC)
- Expired
- May 29, 2019, 10:30 AM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 25 counties
Andrews County, TX, Baylor County, TX, Borden County, TX, Callahan County, TX, Coke County, TX, Crane County, TX, Ector County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Jones 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, Upton County, TX
The radar
The San Angelo radar (KSJT), 97 km from the middle of the area, began a volume at 14:04 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, 2.1 hours before the alert went out and 331 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
- 1318 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.6
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 28, 11:48 PM CDT | Mesoscale Discussion | SPC | Crane, Ector, Glasscock, Midland, Pecos, Reagan and 3 more | 117 min |
| May 29, 1:56 AM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Callahan, Coke, Crane, Dawson and 24 more | 8 hr |
| May 29, 4:50 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Coke, Ector, Fisher, Glasscock and 18 more | 115 min |
| May 29, 7:31 AM CDT | Mesoscale Discussion | SPC | Archer, Clay, Collin, Cooke, Denton, Fannin and 7 more | 119 min |
| May 29, 8:39 AM CDT | Severe Thunderstorm Watch | SPC | Cooke, Denton, Eastland, Erath, Grayson, Hood and 8 more | 4 hr |
| May 29, 10:04 AM CDT | Severe Thunderstorm Watch | SPC | Clay | 7 hr |
| May 29, 12:18 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Collin, Dallas, Delta and 26 more | 87 min |
| May 29, 12:46 PM CDT | Tornado Watch | SPC | Anderson, Bosque, Bowie, Camp, Cass, Collin and 35 more | 9 hr |
| May 29, 2:14 PM CDT | Mesoscale Discussion | SPC | Crockett, Edwards, Gillespie, Kerr, Kimble, Mason and 5 more | 2 hr |
| May 29, 3:12 PM CDT | Mesoscale Discussion | SPC | Bosque, Bowie, Camp, Cass, Collin, Dallas and 23 more | 63 min |
| May 29, 6:22 PM CDT | Tornado Watch | SPC | Bowie, Camp, Cass, Franklin, Morris, Red River and 4 more | 7 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.