Alert archive / Texas / Tornado Watches in 2019
Tornado Watch 49
The Storm Prediction Center issued this tornado watch at Apr 13, 2019, 1:50 AM CDT for 19 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2019, 1:50 AM CDT (06:50 UTC)
- Expired
- Apr 13, 2019, 9:59 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
Counties Bandera County, TX, Crockett County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Mason County, TX, Maverick County, TX, Medina County, TX, Menard County, TX, Real County, TX, Schleicher County, TX, Sutton County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 105 km from the middle of the area, began a volume at 06:52 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
- 20%
- Ten or more severe wind reports
- 40%
- 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
- 40%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 1:59 AM CDT | Severe Thunderstorm Warning | SJT | Crockett | 46 min |
| Apr 13, 2:13 AM CDT | Tornado Warning | SJT | Crockett | 32 min |
| Apr 13, 2:46 AM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion | 44 min |
| Apr 13, 4:25 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 50 min |
| Apr 13, 5:10 AM CDT | Tornado Warning | EWX | Kinney | 50 min |
| Apr 13, 5:22 AM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion, Schleicher, Sterling, Tom Green | 38 min |
| Apr 13, 5:43 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 47 min |
| Apr 13, 5:54 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Schleicher, Tom Green | 36 min |
| Apr 13, 6:23 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 67 min |
| Apr 13, 6:29 AM CDT | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher, Tom Green | 46 min |
| Apr 13, 6:50 AM CDT | Tornado Warning | EWX | Uvalde | 25 min |
| Apr 13, 7:13 AM CDT | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher, Tom Green | 47 min |
| Apr 13, 7:20 AM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 55 min |
| Apr 13, 7:30 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick, Val Verde | 60 min |
| Apr 13, 7:32 AM CDT | Tornado Warning | SJT | Concho, Menard | 18 min |
| Apr 13, 8:07 AM CDT | Tornado Warning | EWX | Medina | 23 min |
| Apr 13, 8:12 AM CDT | Severe Thunderstorm Warning | EWX | Medina | 63 min |
| Apr 13, 8:51 AM CDT | Tornado Warning | EWX | Bandera, Medina | 24 min |
| Apr 13, 9:00 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Kendall, Medina | 60 min |
| Apr 13, 9:19 AM CDT | Tornado Warning | EWX | Bexar, Medina | 26 min |
| Apr 13, 9:35 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Zavala | 55 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
Del Rio, TX (KDLF), launched 00:00Z, 6.8 hours before the alert went out and 96 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
- 23 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 2592 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
964
WWUS20 KWNS 130648
SEL9
SPC WW 130648
TXZ000-131400-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 49
NWS Storm Prediction Center Norman OK
150 AM CDT Sat Apr 13 2019
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southwest and south-central Texas
* Effective this Saturday morning from 150 AM until 900 AM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...A gradual increase in convection has been noted across the
area in an environment conditionally favorable for supercells and
tornado potential, along and south of a warm front. The threat
should increase through early/mid morning as lift and moisture each
strengthen.
The tornado watch area is approximately along and 80 statute miles
either side of a line from 60 miles northwest of Del Rio TX to 45
miles north northeast of Hondo TX. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 48...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24030.
...EdwardsSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 10:14 PM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Harris, Jasper, Liberty, Montgomery and 5 more | 3 hr |
| Apr 12, 11:40 PM CDT | Mesoscale Discussion | SPC | Coke, Crane, Crockett, Ector, Glasscock, Howard and 13 more | 2 hr |
| Apr 13, 12:56 AM CDT | Mesoscale Discussion | SPC | Bandera, Crockett, Edwards, Kerr, Kimble, Kinney and 7 more | 2 hr |
| Apr 13, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coke, Coleman, Concho, Crane and 21 more | 8 hr |
| Apr 13, 1:52 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Camp, Cass, Cherokee, Franklin and 25 more | 113 min |
| Apr 13, 4:35 AM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 26 more | 55 min |
| Apr 13, 4:50 AM CDT | Mesoscale Discussion | SPC | Bandera, Crockett, Edwards, Frio, Gillespie, Kendall and 13 more | 55 min |
| Apr 13, 6:48 AM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Brown, Callahan, Coleman, Comanche and 27 more | 57 min |
| Apr 13, 7:11 AM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Bell, Bexar, Blanco, Burleson and 28 more | 2 hr |
| Apr 13, 7:55 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bell, Bosque, Comanche, Coryell, Dallas and 27 more | 6 hr |
| Apr 13, 8:38 AM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 22 more | 5 hr |
| Apr 13, 9:40 AM CDT | Mesoscale Discussion | SPC | Bastrop, Bell, Bexar, Blanco, Brazos, Burleson and 19 more | 95 min |
| Apr 13, 9:49 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Cherokee, Freestone, Gregg, Harrison and 12 more | 56 min |
| Apr 13, 10:01 AM CDT | Severe Thunderstorm Watch | SPC | Angelina, Austin, Brazos, Burleson, Camp, Cass and 21 more | 5 hr |
| Apr 13, 11:11 AM CDT | Mesoscale Discussion | SPC | Brazos, Grimes, Hardin, Harris, Jasper, Liberty and 10 more | 34 min |
| Apr 13, 11:26 AM CDT | Tornado Watch | SPC | Angelina, Brazos, Cherokee, Grimes, Hardin, Harrison and 18 more | 8 hr |
| Apr 13, 11:52 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Brazos, Cherokee, Freestone, Grimes and 12 more | 83 min |
| Apr 13, 1:38 PM CDT | Mesoscale Discussion | SPC | Angelina, Jasper, Nacogdoches, Newton, Sabine, San Augustine and 1 more | 97 min |
| Apr 13, 3:39 PM CDT | Mesoscale Discussion | SPC | Jefferson, Orange | 96 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.