Alert archive / Texas / Tornado Watches in 2010
Tornado Watch 75
The Storm Prediction Center issued this tornado watch at Apr 22, 2010, 2:30 PM CDT for 9 counties in Oklahoma; 35 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2010, 2:30 PM CDT (19:30 UTC)
- Expired
- Apr 22, 2010, 8:35 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 44 counties
Beaver County, OK, Beckham County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Roger Mills County, OK, Texas 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, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Stonewall County, TX, Swisher County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 69 km from the middle of the area, began a volume at 19:32 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 80%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
41 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 3:04 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 56 min |
| Apr 22, 3:08 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson, Moore, Ochiltree, Sherman | 67 min |
| Apr 22, 4:14 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 61 min |
| Apr 22, 4:42 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Donley, Gray | 93 min |
| Apr 22, 5:03 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Hutchinson, Moore, Potter, Randall | 57 min |
| Apr 22, 5:09 PM CDT | Tornado Warning | AMA | Armstrong, Carson, Donley, Gray | 51 min |
| Apr 22, 5:09 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Floyd, Lubbock | 51 min |
| Apr 22, 5:13 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 62 min |
| Apr 22, 5:39 PM CDT | Tornado Warning | AMA | Armstrong, Carson, Donley, Gray | 51 min |
| Apr 22, 5:46 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Floyd | 30 min |
| Apr 22, 5:53 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree, Roberts | 31 min |
| Apr 22, 5:54 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Floyd, Hale, Swisher | 36 min |
| Apr 22, 5:55 PM CDT | Tornado Warning | AMA | Beaver | 21 min |
| Apr 22, 5:58 PM CDT | Tornado Warning | AMA | Gray, Wheeler | 47 min |
| Apr 22, 6:02 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Roberts | 58 min |
| Apr 22, 6:02 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Floyd, Hale, Lubbock | 28 min |
| Apr 22, 6:08 PM CDT | Severe Thunderstorm Warning | LUB | Floyd, Motley | 52 min |
| Apr 22, 6:14 PM CDT | Tornado Warning | AMA | Donley, Gray | 46 min |
| Apr 22, 6:19 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 56 min |
| Apr 22, 6:21 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Hall | 54 min |
| Apr 22, 6:22 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 53 min |
| Apr 22, 6:29 PM CDT | Tornado Warning | AMA | Armstrong, Carson, Donley, Gray | 31 min |
| Apr 22, 6:33 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 42 min |
| Apr 22, 6:36 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Floyd, Hale, Motley, Swisher | 39 min |
| Apr 22, 6:43 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Collingsworth, Donley, Gray, Wheeler | 62 min |
| Apr 22, 6:43 PM CDT | Tornado Warning | LUB | Motley | 32 min |
| Apr 22, 6:44 PM CDT | Tornado Warning | AMA | Gray, Hemphill, Roberts, Wheeler | 34 min |
| Apr 22, 6:47 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray | 33 min |
| Apr 22, 6:52 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Dickens | 53 min |
| Apr 22, 6:58 PM CDT | Tornado Warning | AMA | Gray, Wheeler | 47 min |
| Apr 22, 7:11 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 64 min |
| Apr 22, 7:14 PM CDT | Tornado Warning | LUB | Childress, Cottle, Hall, Motley | 46 min |
| Apr 22, 7:19 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 40 min |
| Apr 22, 7:31 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Dickens, Garza, Kent | 44 min |
| Apr 22, 7:33 PM CDT | Tornado Warning | AMA | Collingsworth, Wheeler | 42 min |
| Apr 22, 7:35 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Garza, Lubbock, Lynn | 40 min |
| Apr 22, 7:45 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley | 60 min |
| Apr 22, 7:49 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 56 min |
| Apr 22, 7:57 PM CDT | Tornado Warning | LUB | Childress, Cottle | 48 min |
| Apr 22, 8:02 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 73 min |
| Apr 22, 8:07 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Garza, Lubbock, Lynn, Terry | 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, 7.5 hours before the alert went out and 68 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
- 33 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 1875 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 9:06 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 54 min |
| Apr 22, 2:21 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Cimarron, Ellis, Harmon, Harper and 3 more | 84 min |
| Apr 22, 2:01 PM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 59 min |
| Apr 22, 4:56 PM CDT | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa | 34 min |
| Apr 22, 5:57 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Harper and 4 more | 63 min |
| Apr 21, 7:41 PM CDT | Mesoscale Discussion | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 28 more | 64 min |
| Apr 21, 10:31 PM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Castro, Cochran, Dawson, Deaf Smith and 13 more | 59 min |
Nearby
Tornado Watches in Texas, 2010Tornado Watches in Oklahoma, 2010Every tornado watch in 2010
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.