Alert archive / Texas / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 481
The Storm Prediction Center issued this severe thunderstorm watch at Sep 17, 2016, 2:19 PM MDT for 5 states. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 17, 2016, 2:19 PM MDT (20:19 UTC)
- Expired
- Sep 18, 2016, 12:00 AM MDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 43 counties
Baca County, CO, Bent County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Finney County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Colfax County, NM, Harding County, NM, Mora County, NM, Quay County, NM, San Miguel County, NM, Union County, NM, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX
The radar
The Pueblo radar (KPUX), 191 km from the middle of the area, began a volume at 20:20 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 2:29 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 35 min |
| Sep 17, 2:31 PM MDT | Severe Thunderstorm Warning | DDC | Hamilton, Kearny | 59 min |
| Sep 17, 2:39 PM MDT | Severe Thunderstorm Warning | DDC | Hamilton | 66 min |
| Sep 17, 3:04 PM MDT | Tornado Warning | DDC | Hamilton | 41 min |
| Sep 17, 3:11 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 36 min |
| Sep 17, 3:21 PM MDT | Severe Thunderstorm Warning | ABQ | Colfax, Union | 38 min |
| Sep 17, 3:26 PM MDT | Severe Thunderstorm Warning | DDC | Finney, Kearny, Scott | 64 min |
| Sep 17, 3:40 PM MDT | Severe Thunderstorm Warning | DDC | Hamilton, Kearny | 41 min |
| Sep 17, 4:17 PM MDT | Severe Thunderstorm Warning | ABQ | Union | 28 min |
| Sep 17, 4:45 PM MDT | Severe Thunderstorm Warning | ABQ | Union | 60 min |
| Sep 17, 5:53 PM MDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley | 97 min |
| Sep 17, 5:59 PM MDT | Severe Thunderstorm Warning | ABQ | De Baca, Quay | 46 min |
| Sep 17, 7:27 PM MDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Sherman | 93 min |
| Sep 17, 8:39 PM MDT | Tornado Warning | AMA | Hartley, Moore, Oldham, Potter | 34 min |
| Sep 17, 9:11 PM MDT | Severe Thunderstorm Warning | AMA | Carson, Hutchinson, Moore, Potter | 94 min |
| Sep 17, 10:43 PM MDT | Severe Thunderstorm Warning | AMA | Carson, Gray | 38 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.3 hours before the alert went out and 230 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
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 1:38 PM MDT | Mesoscale Discussion | SPC | Baca, Bent | 2 hr |
| Sep 17, 1:44 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Phillips, Sedgwick, Washington and 1 more | 2 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
Severe Thunderstorm Watches in Texas, 2016Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Colorado, 2016Every severe thunderstorm watch 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.