Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 419
The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2016, 6:11 PM CDT for 23 counties in Texas. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2016, 6:11 PM CDT (23:11 UTC)
- Expired
- Apr 19, 2016, 7:45 PM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 23 counties
Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Glasscock County, TX, Irion County, TX, McCulloch County, TX, Menard 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, Taylor County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX
The radar
The San Angelo radar (KSJT), 59 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 134 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
- 115 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Apr 18, 10:08 PM CDT | Mesoscale Discussion | SPC | Cameron, Hidalgo, Jim Hogg, Starr, Willacy, Zapata | 67 min |
| Apr 19, 12:48 PM CDT | Mesoscale Discussion | SPC | Baylor, Briscoe, Childress, Cottle, Crosby, Dickens and 14 more | 2 hr |
| Apr 19, 1:15 PM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Crane, Crockett, Dawson, Ector and 13 more | 3 hr |
| Apr 19, 3:48 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cottle, Dickens, Foard and 7 more | 2 hr |
| Apr 19, 6:32 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cooke, Denton, Dickens and 23 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016
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.