Alert archive / Texas / Mesoscale Discussions in 2018
Mesoscale Discussion 412
The Storm Prediction Center issued this mesoscale discussion at May 14, 2018, 2:32 PM CDT for 27 counties in Texas. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2018, 2:32 PM CDT (19:32 UTC)
- Expired
- May 14, 2018, 4:00 PM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 27 counties
Baylor County, TX, Coke County, TX, Cottle County, TX, Crockett County, TX, Dickens County, TX, Fisher County, TX, Foard County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 78 km from the middle of the area, began a volume at 19:34 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, 7.5 hours before the alert went out and 99 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
- 1228 J/kg
- Mixed-layer CIN
- -307 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 184 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 |
|---|---|---|---|---|
| May 13, 7:14 PM CDT | Mesoscale Discussion | SPC | Briscoe, Childress, Collingsworth, Cottle, Crosby, Dickens and 14 more | 91 min |
| May 14, 3:10 PM CDT | Mesoscale Discussion | SPC | Childress, Collingsworth, Donley, Wheeler | 2 hr |
| May 14, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | Briscoe, Childress, Cottle, Foard, Hall, Hardeman and 4 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2018Every mesoscale discussion in 2018
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.