Alert archive / Texas / Mesoscale Discussions in 2013
Mesoscale Discussion 954
The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2013, 2:24 PM CDT for 22 counties in Texas. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 2013, 2:24 PM CDT (19:24 UTC)
- Expired
- Jun 4, 2013, 4:00 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 22 counties
Callahan County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Kent County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 72 km from the middle of the area, began a volume at 19:25 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
Del Rio, TX (KDRT), launched 12:00Z, 7.4 hours before the alert went out and 294 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
- 1488 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 10:08 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 26 more | 67 min |
| Jun 3, 10:41 PM CDT | Severe Thunderstorm Watch | SPC | Collingsworth, Donley, Gray, Hemphill, Lipscomb, Ochiltree and 2 more | 5 hr |
| Jun 4, 1:22 AM CDT | Mesoscale Discussion | SPC | Hemphill, Lipscomb | 83 min |
| Jun 4, 3:30 AM CDT | Mesoscale Discussion | SPC | Childress | 90 min |
| Jun 4, 3:44 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Foard, Hardeman, Wichita and 1 more | 5 hr |
| Jun 4, 6:50 AM CDT | Mesoscale Discussion | SPC | Montague | 55 min |
| Jun 4, 5:06 PM CDT | Mesoscale Discussion | SPC | Archer, Armstrong, Baylor, Carson, Childress, Collingsworth and 25 more | 54 min |
| Jun 4, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Armstrong, Baylor, Briscoe, Callahan, Carson and 41 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2013Every mesoscale discussion in 2013
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.