Alert archive / Texas / Tornado Watches in 2019
Tornado Watch 19
The Storm Prediction Center issued this tornado watch at Mar 12, 2019, 10:01 PM CDT for 42 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2019, 10:01 PM CDT (03:01 UTC)
- Expired
- Mar 13, 2019, 5:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 42 counties
Borden County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Edwards County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kimble County, TX, Kinney County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX
The radar
The San Angelo radar (KSJT), 53 km from the middle of the area, began a volume at 03:01 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 11:37 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Howard, Mitchell, Scurry | 53 min |
| Mar 13, 12:02 AM CDT | Severe Thunderstorm Warning | MAF | Terrell | 58 min |
| Mar 13, 12:03 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Sterling, Tom Green | 27 min |
| Mar 13, 12:12 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 63 min |
| Mar 13, 12:15 AM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 45 min |
| Mar 13, 12:31 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Nolan, Sterling, Tom Green | 44 min |
| Mar 13, 12:55 AM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 50 min |
| Mar 13, 12:56 AM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion, Schleicher, Sutton | 49 min |
| Mar 13, 1:11 AM CDT | Severe Thunderstorm Warning | SJT | Haskell, Throckmorton | 49 min |
| Mar 13, 1:16 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Concho, Irion, Nolan, Runnels, Sterling and 1 more | 44 min |
| Mar 13, 1:34 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Jones, Shackelford, Taylor | 41 min |
| Mar 13, 2:44 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 61 min |
| Mar 13, 3:16 AM CDT | Severe Thunderstorm Warning | SJT | Kimble, McCulloch, Mason, Menard, San Saba | 44 min |
| Mar 13, 3:32 AM CDT | Severe Thunderstorm Warning | SJT | Brown, McCulloch, San Saba | 43 min |
| Mar 13, 3:40 AM CDT | Tornado Warning | SJT | McCulloch, Mason, San Saba | 35 min |
| Mar 13, 3:48 AM CDT | Severe Thunderstorm Warning | SJT | San Saba | 42 min |
| Mar 13, 4:00 AM CDT | Tornado Warning | SJT | San Saba | 30 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
Midland Regional, TX (KMAF), launched 00:00Z, 3.0 hours before the alert went out and 143 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
- 593 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 337 m²/s²
- 0-3 km storm-relative helicity
- 461 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 7:25 PM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Borden, Briscoe, Castro, Childress and 29 more | 2 hr |
| Mar 12, 8:28 PM CDT | Mesoscale Discussion | SPC | Andrews, Ector, Gaines, Reeves, Terry, Ward and 2 more | 2 hr |
| Mar 12, 9:43 PM CDT | Severe Thunderstorm Watch | SPC | Briscoe, Childress, Cottle, Crosby, Dickens, Floyd and 10 more | 5 hr |
| Mar 12, 10:19 PM CDT | Mesoscale Discussion | SPC | Borden, Coke, Crane, Crockett, Dawson, Glasscock and 12 more | 116 min |
| Mar 13, 12:31 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Childress, Clay, Cottle, Foard and 8 more | 59 min |
| Mar 13, 12:42 AM CDT | Mesoscale Discussion | SPC | Callahan, Coke, Coleman, Concho, Crockett, Edwards and 18 more | 93 min |
| Mar 13, 12:47 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more | 5 hr |
| Mar 13, 1:37 AM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Brown, Burnet, Callahan, Coleman and 22 more | 83 min |
| Mar 13, 1:51 AM CDT | Severe Thunderstorm Watch | SPC | Bell, Bosque, Collin, Comanche, Cooke, Coryell and 36 more | 5 hr |
| Mar 13, 3:03 AM CDT | Mesoscale Discussion | SPC | Comanche, Erath, Hood, Jack, Palo Pinto, Parker | 57 min |
| Mar 13, 4:19 AM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Burnet, Collin, Cooke, Coryell and 11 more | 86 min |
| Mar 13, 5:59 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Franklin, Gregg, Harrison and 10 more | 91 min |
Nearby
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.