Alert archive / Texas / Mesoscale Discussions in 2013
Mesoscale Discussion 826
The Storm Prediction Center issued this mesoscale discussion at May 27, 2013, 6:08 PM CDT for 4 counties in Oklahoma; 38 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2013, 6:08 PM CDT (23:08 UTC)
- Expired
- May 27, 2013, 8:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Comanche County, OK, Cotton County, OK, Jackson County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Upton County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Midland/Odessa radar (KMAF), 69 km from the middle of the area, began a volume at 23:10 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
Midland Regional, TX (KMAF), launched 12:00Z, 11.1 hours before the alert went out and 70 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
- 989 J/kg
- Mixed-layer CIN
- -375 J/kg
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| May 27, 3:47 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Custer, Greer, Harmon, Jackson, Kiowa and 2 more | 6 hr |
| May 27, 5:36 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 16 more | 84 min |
| May 27, 3:34 PM CDT | Mesoscale Discussion | SPC | Borden, Childress, Cottle, Crane, Crosby, Dawson and 16 more | 56 min |
Nearby
Mesoscale Discussions in Texas, 2013Mesoscale Discussions in Oklahoma, 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.