Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 576
The Storm Prediction Center issued this mesoscale discussion at May 13, 2020, 2:22 PM CDT for 23 counties in Texas. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- May 13, 2020, 2:22 PM CDT (19:22 UTC)
- Expired
- May 13, 2020, 4:15 PM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 23 counties
Brewster County, TX, Coke County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Ector County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX, Ward County, TX
The radar
The Midland/Odessa radar (KMAF), 140 km from the middle of the area, began a volume at 19:24 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
Midland Regional, TX (KMAF), launched 12:00Z, 7.4 hours before the alert went out and 141 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
- 1264 J/kg
- Mixed-layer CIN
- -270 J/kg
- Mixed-layer LCL
- 1118 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 13, 2:00 PM CDT | Mesoscale Discussion | SPC | Armstrong, Borden, Briscoe, Carson, Childress, Cochran and 34 more | 90 min |
| May 13, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Baylor, Briscoe, Carson, Childress, Collingsworth and 28 more | 9 hr |
| May 13, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Brewster, Coke, Crane, Crockett and 23 more | 7 hr |
| May 13, 5:08 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Briscoe, Childress, Clay, Collingsworth and 20 more | 2 hr |
| May 13, 5:20 PM CDT | Mesoscale Discussion | SPC | Andrews, Brewster, Coke, Crane, Crockett, Ector and 16 more | 55 min |
Nearby
Mesoscale Discussions in Texas, 2020Every mesoscale discussion in 2020
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.