Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 1706
The Storm Prediction Center issued this mesoscale discussion at Sep 17, 2016, 1:38 PM MDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 17, 2016, 1:38 PM MDT (19:38 UTC)
- Expired
- Sep 17, 2016, 3:45 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
Counties Baca County, CO, Bent County, CO, Harding County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Hartley County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 200 km from the middle of the area, began a volume at 19:39 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.6 hours before the alert went out and 201 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
- 874 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
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 |
|---|---|---|---|---|
| Sep 17, 1:44 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Phillips, Sedgwick, Washington and 1 more | 2 hr |
| Sep 17, 2:19 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Kiowa, Las Animas, Otero, Prowers | 10 hr |
| Sep 17, 4:33 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 117 min |
| Sep 17, 1:33 PM MDT | Mesoscale Discussion | SPC | Chaves, Eddy, Lea | 57 min |
| Sep 17, 2:02 PM MDT | Severe Thunderstorm Watch | SPC | Chaves, Eddy, Lea, Lincoln | 7 hr |
| Sep 17, 4:56 PM MDT | Mesoscale Discussion | SPC | Chaves, Eddy, Lea, Roosevelt | 2 hr |
| Sep 17, 12:18 PM MDT | Mesoscale Discussion | SPC | Beckham, Greer, Kiowa, Washita | 87 min |
| Sep 17, 12:45 PM MDT | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 14 more | 6 hr |
| Sep 17, 3:46 PM MDT | Mesoscale Discussion | SPC | Atoka, Blaine, Caddo, Canadian, Carter, Cleveland and 15 more | 89 min |
| Sep 16, 6:05 PM MDT | Mesoscale Discussion | SPC | Callahan, Coke, Coleman, Ector, Glasscock, Howard and 6 more | 115 min |
Nearby
Mesoscale Discussions in Texas, 2016Mesoscale Discussions in Colorado, 2016Mesoscale Discussions in New Mexico, 2016Every mesoscale discussion in 2016
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.