Alert archive / Texas / Mesoscale Discussions in 2017
Mesoscale Discussion 1031
The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2017, 3:33 PM CDT for Harmon County, Oklahoma; 38 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2017, 3:33 PM CDT (20:33 UTC)
- Expired
- Jun 14, 2017, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 39 counties
Harmon County, OK, Andrews County, TX, Baylor County, TX, Borden County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hall 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, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Throckmorton County, TX, Upton County, TX, Wilbarger County, TX
The radar
The Lubbock radar (KLBB), 91 km from the middle of the area, began a volume at 20:34 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, 8.6 hours before the alert went out and 152 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
- 881 J/kg
- Mixed-layer CIN
- -391 J/kg
- Mixed-layer LCL
- 1570 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:55 PM CDT | Mesoscale Discussion | SPC | Beckham, Dewey, Ellis, Greer, Harmon, Harper and 3 more | 65 min |
| Jun 14, 3:37 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 24 more | 2 hr |
| Jun 14, 6:02 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Greer, Harmon, Jackson, Kiowa, Tillman and 1 more | 6 hr |
| Jun 14, 1:57 PM CDT | Mesoscale Discussion | SPC | Pecos, Terrell | 3 hr |
Nearby
Mesoscale Discussions in Texas, 2017Mesoscale Discussions in Oklahoma, 2017Every mesoscale discussion in 2017
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.