Alert archive / Oklahoma / Mesoscale Discussions in 2011
Mesoscale Discussion 2050
The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2011, 4:44 PM CDT for 26 counties in Oklahoma; 16 counties in Texas. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2011, 4:44 PM CDT (21:44 UTC)
- Expired
- Aug 24, 2011, 6:15 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 42 counties
Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Washita County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hall County, TX, Hemphill County, TX, Hutchinson County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Altus AFB radar (KFDR), 126 km from the middle of the area, began a volume at 21:43 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 12:00Z, 9.7 hours before the alert went out and 181 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2652 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 186 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 |
|---|---|---|---|---|
| Aug 24, 12:06 PM CDT | Mesoscale Discussion | SPC | Cass, Harrison, Marion, Panola, Sabine, Shelby | 114 min |
| Aug 24, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | Angelina, Gregg, Harrison, Marion, Nacogdoches, Panola and 4 more | 4 hr |
| Aug 24, 3:50 PM CDT | Mesoscale Discussion | SPC | Angelina, Camp, Cherokee, Delta, Franklin, Gregg and 12 more | 85 min |
Nearby
Mesoscale Discussions in Oklahoma, 2011Mesoscale Discussions in Texas, 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.