Alert archive / Texas / Mesoscale Discussions in 2011
Mesoscale Discussion 1177
The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2011, 8:50 PM CDT for 9 counties in Oklahoma; 23 counties in Texas. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2011, 8:50 PM CDT (01:50 UTC)
- Expired
- Jun 10, 2011, 9:45 PM CDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 32 counties
Caddo County, OK, Comanche County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Tillman County, OK, Washita County, OK, Baylor County, TX, Borden County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Kent County, TX, King County, TX, Knox County, TX, Lynn County, TX, Motley County, TX, Scurry County, TX, Stonewall County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Lubbock radar (KLBB), 119 km from the middle of the area, began a volume at 01:52 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.8 hours before the alert went out and 216 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
- 64 J/kg
- Mixed-layer CIN
- -395 J/kg
- Mixed-layer LCL
- 2210 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 175 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 10, 7:47 PM CDT | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Craig, Garfield, Kay and 12 more | 58 min |
| Jun 11, 12:44 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 91 min |
| Jun 11, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | Cimarron | 7 hr |
| Jun 11, 2:28 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Carter, Cleveland and 25 more | 2 hr |
| Jun 11, 3:39 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Cimarron, Custer and 9 more | 9 hr |
| Jun 11, 4:57 PM CDT | Mesoscale Discussion | SPC | Haskell, Latimer, LeFlore, McIntosh, Sequoyah | 63 min |
| Jun 11, 5:43 PM CDT | Mesoscale Discussion | SPC | Beaver, Blaine, Caddo, Cimarron, Custer, Dewey and 8 more | 62 min |
Nearby
Mesoscale Discussions in Texas, 2011Mesoscale Discussions in Oklahoma, 2011Every mesoscale discussion in 2011
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.