Alert archive / Texas / Mesoscale Discussions in 2018
Mesoscale Discussion 436
The Storm Prediction Center issued this mesoscale discussion at May 16, 2018, 2:10 PM CDT for 15 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 16, 2018, 2:10 PM CDT (19:10 UTC)
- Expired
- May 16, 2018, 4:45 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
Counties Borden County, TX, Coke County, TX, Crockett County, TX, Edwards County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Mitchell County, TX, Reagan County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 82 km from the middle of the area, began a volume at 19:10 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
Midland Regional, TX (KMAF), launched 12:00Z, 7.2 hours before the alert went out and 107 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
- 614 J/kg
- Mixed-layer CIN
- -293 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 361 m²/s²
- 0-3 km storm-relative helicity
- 409 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
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 15, 8:05 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Crosby, Dallam and 20 more | 85 min |
| May 16, 11:21 AM CDT | Mesoscale Discussion | SPC | Bowie, Red River | 2 hr |
| May 16, 2:40 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Dallam, Deaf Smith and 17 more | 2 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.