Alert archive / Texas / Mesoscale Discussions in 2012
Mesoscale Discussion 1151
The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2012, 1:04 PM MDT for 4 counties in New Mexico; 9 counties in Texas. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2012, 1:04 PM MDT (19:04 UTC)
- Expired
- Jun 13, 2012, 2:00 PM MDT
- In force
- 56 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
Counties Chaves County, NM, Eddy County, NM, Lea County, NM, Lincoln County, NM, Brewster County, TX, Culberson County, TX, Jeff Davis County, TX, Loving County, TX, Pecos County, TX, Presidio County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX
The radar
The Midland/Odessa radar (KMAF), 179 km from the middle of the area, began a volume at 19:04 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, 7.1 hours before the alert went out and 178 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
- 1421 J/kg
- Mixed-layer CIN
- -285 J/kg
- Mixed-layer LCL
- 787 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 333 m²/s²
- 0-3 km storm-relative helicity
- 560 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
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, 6:38 PM MDT | Mesoscale Discussion | SPC | Chaves, Curry, De Baca, Eddy, Guadalupe, Lea and 1 more | 67 min |
| Jun 13, 12:51 PM MDT | Mesoscale Discussion | SPC | Colfax, Curry, De Baca, Guadalupe, Harding, Mora and 3 more | 54 min |
| Jun 13, 2:40 PM MDT | Severe Thunderstorm Watch | SPC | Chaves, Eddy, Lea, Lincoln | 7 hr |
| Jun 12, 6:21 PM MDT | Mesoscale Discussion | SPC | Austin, Colorado, Fayette, Jackson, Lavaca, Wharton | 54 min |
| Jun 12, 8:11 PM MDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 28 more | 34 min |
| Jun 12, 8:26 PM MDT | Severe Thunderstorm Watch | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 43 more | 7 hr |
| Jun 12, 10:11 PM MDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 38 more | 64 min |
| Jun 13, 4:17 PM MDT | Mesoscale Discussion | SPC | Anderson, Bosque, Cherokee, Dallas, Denton, Ellis and 19 more | 58 min |
Nearby
Mesoscale Discussions in Texas, 2012Mesoscale Discussions in New Mexico, 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.