Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 938
The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2020, 3:18 PM CDT for 25 counties in Texas. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2020, 3:18 PM CDT (20:18 UTC)
- Expired
- Jun 19, 2020, 5:15 PM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...severe thunderstorm watch likely
- Chance of a watch
- 80%
All 25 counties
Bailey County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX
The radar
The Lubbock radar (KLBB), 21 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 174 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
- 1124 J/kg
- Mixed-layer CIN
- -367 J/kg
- Mixed-layer LCL
- 1528 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Jun 18, 8:01 PM CDT | Mesoscale Discussion | SPC | Borden, Callahan, Coke, Coleman, Concho, Crockett and 18 more | 119 min |
| Jun 19, 4:07 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Archer, Armstrong, Bailey, Baylor, Borden and 56 more | 9 hr |
| Jun 19, 6:15 PM CDT | Mesoscale Discussion | SPC | Armstrong, Baylor, Borden, Briscoe, Carson, Castro and 46 more | 2 hr |
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.