Alert archive / Texas / Tornado Watches in 2022
Tornado Watch 578
The Storm Prediction Center issued this tornado watch at Dec 12, 2022, 8:25 PM CST for Beaver County, Texas County, Oklahoma; 12 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 12, 2022, 8:25 PM CST (02:25 UTC)
- Expired
- Dec 13, 2022, 12:40 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Beaver County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 121 km from the middle of the area, began a volume at 02:28 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
- 30%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 8:38 PM CST | Tornado Warning | AMA | Beaver | 52 min |
| Dec 12, 8:46 PM CST | Tornado Warning | AMA | Beaver | 44 min |
| Dec 12, 9:01 PM CST | Tornado Warning | AMA | Beaver | 44 min |
| Dec 12, 9:14 PM CST | Tornado Warning | AMA | Beaver | 46 min |
| Dec 12, 9:39 PM CST | Tornado Warning | AMA | Beaver | 55 min |
| Dec 12, 9:50 PM CST | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Donley, Gray | 40 min |
| Dec 12, 10:20 PM CST | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Lipscomb, Roberts, Wheeler | 55 min |
| Dec 12, 10:41 PM CST | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Gray, Wheeler | 64 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 00:00Z, 2.4 hours before the alert went out and 120 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
- 198 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1656 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 7:12 PM CST | Mesoscale Discussion | SPC | Beaver, Texas | 3 hr |
| Dec 12, 9:10 PM CST | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 3 hr |
| Dec 12, 9:16 PM CST | Tornado Watch | SPC | Ellis, Harper, Woods, Woodward | 5 hr |
| Dec 12, 9:54 PM CST | Tornado Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Comanche, Cotton and 13 more | 6 hr |
| Dec 12, 11:24 PM CST | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 6 more | 2 hr |
| Dec 13, 1:44 AM CST | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Kay, Kingfisher, Lincoln and 4 more | 61 min |
| Dec 13, 3:07 AM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Cleveland, Coal, Garvin and 12 more | 113 min |
| Dec 13, 3:58 AM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Coal, Cotton, Hughes and 9 more | 7 hr |
| Dec 13, 6:00 AM CST | Mesoscale Discussion | SPC | Love | 90 min |
| Dec 13, 8:59 AM CST | Mesoscale Discussion | SPC | Bryan, Choctaw, McCurtain, Pushmataha | 2 hr |
| Dec 13, 9:07 AM CST | Tornado Watch | SPC | Choctaw, McCurtain, Pushmataha | 8 hr |
| Dec 13, 11:41 AM CST | Mesoscale Discussion | SPC | Anderson, Bowie, Camp, Cass, Cherokee, Delta and 25 more | 2 hr |
| Dec 13, 1:33 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Cass, Cherokee, Gregg, Harrison and 17 more | 117 min |
| Dec 13, 2:12 PM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more | 63 min |
| Dec 13, 2:15 PM CST | Tornado Watch | SPC | Angelina, Jasper, Nacogdoches, Newton, Polk, Sabine and 4 more | 8 hr |
| Dec 13, 3:51 PM CST | Mesoscale Discussion | SPC | Angelina, Harrison, Houston, Jasper, Madison, Nacogdoches and 9 more | 84 min |
| Dec 13, 4:44 PM CST | Mesoscale Discussion | SPC | Sabine, San Augustine, Shelby | 91 min |
Nearby
Tornado Watches in Texas, 2022Tornado Watches in Oklahoma, 2022Every tornado watch in 2022
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.