Alert archive / Texas / Mesoscale Discussions in 2018
Mesoscale Discussion 719
The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2018, 12:40 AM CDT for 10 counties in Kansas; 16 counties in Oklahoma; 31 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2018, 12:40 AM CDT (05:40 UTC)
- Expired
- Jun 13, 2018, 3:15 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 57 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Grant County, KS, Haskell County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stevens County, KS, Beaver County, OK, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX, Wilbarger County, TX
The radar
The Amarillo radar (KAMA), 134 km from the middle of the area, began a volume at 05:42 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, 5.7 hours before the alert went out and 133 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
- 1665 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 2531 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 13.3
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, 2:25 AM CDT | Mesoscale Discussion | SPC | Sherman, Wallace | 3 hr |
| Jun 13, 6:31 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Hamilton, Sherman, Wallace | 89 min |
| Jun 12, 10:07 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Cimarron, Custer, Dewey, Ellis and 10 more | 53 min |
Nearby
Mesoscale Discussions in Texas, 2018Mesoscale Discussions in Oklahoma, 2018Mesoscale Discussions in Kansas, 2018Every mesoscale discussion in 2018
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.