Alert archive / Texas / Mesoscale Discussions in 2012
Mesoscale Discussion 1148
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2012, 9:11 PM CDT for 34 counties in Texas. It was in force for 34 min.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2012, 9:11 PM CDT (02:11 UTC)
- Expired
- Jun 12, 2012, 9:45 PM CDT
- In force
- 34 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 34 counties
Andrews County, TX, Armstrong County, TX, Bailey County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dawson County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hockley County, TX, Howard County, TX, Kent County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Motley County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Scurry County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 65 km from the middle of the area, began a volume at 02:14 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.2 hours before the alert went out and 114 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
- 628 J/kg
- Mixed-layer CIN
- -263 J/kg
- Mixed-layer LCL
- 1812 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 116 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 12, 7:21 PM CDT | Mesoscale Discussion | SPC | Austin, Colorado, Fayette, Jackson, Lavaca, Wharton | 54 min |
| Jun 12, 7:38 PM CDT | Mesoscale Discussion | SPC | Culberson, Jeff Davis, Loving, Reeves, Ward, Winkler | 67 min |
| Jun 12, 9:26 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 43 more | 7 hr |
| Jun 12, 11:11 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 38 more | 64 min |
| Jun 13, 1:51 PM CDT | Mesoscale Discussion | SPC | Dallam, Deaf Smith, Hartley, Oldham, Parmer | 54 min |
| Jun 13, 2:04 PM CDT | Mesoscale Discussion | SPC | Brewster, Culberson, Jeff Davis, Loving, Pecos, Presidio and 3 more | 56 min |
| Jun 13, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Brewster, Crane, Culberson, Dawson, Ector and 12 more | 7 hr |
| Jun 13, 5:17 PM CDT | Mesoscale Discussion | SPC | Anderson, Bosque, Cherokee, Dallas, Denton, Ellis and 19 more | 58 min |
Nearby
Mesoscale Discussions in Texas, 2012Every mesoscale discussion in 2012
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.