Alert archive / Texas / Tornado Watches in 2019

Tornado Watch 38

April 6, 201953 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 6, 2019, 10:35 AM CDT for 53 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 6, 2019, 10:35 AM CDT (15:35 UTC)
Expired
Apr 6, 2019, 6:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 53 counties

Anderson County, TX, Angelina County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Cherokee County, TX, Comal County, TX, Coryell County, TX, Ellis County, TX, Falls County, TX, Fayette County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Harrison County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Houston County, TX, Kaufman County, TX, Kendall County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Robertson County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Travis County, TX, Trinity County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Williamson County, TX, Wood County, TX

The radar

The Ft Hood radar (KGRK), 102 km from the middle of the area, began a volume at 15:35 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
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 6, 11:06 AM CDTSevere Thunderstorm WarningHGXHouston, Madison, Trinity, Walker39 min
Apr 6, 11:47 AM CDTSevere Thunderstorm WarningFWDHopkins, Hunt, Rains43 min
Apr 6, 12:09 PM CDTSevere Thunderstorm WarningSHVFranklin, Wood37 min
Apr 6, 12:34 PM CDTSevere Thunderstorm WarningFWDFalls, Milam, Robertson22 min
Apr 6, 1:24 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson66 min
Apr 6, 1:58 PM CDTSevere Thunderstorm WarningFWDMilam47 min
Apr 6, 2:05 PM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Apr 6, 2:06 PM CDTTornado WarningFWDMilam39 min
Apr 6, 2:30 PM CDTTornado WarningFWDLeon, Robertson45 min
Apr 6, 2:37 PM CDTTornado WarningFWDMilam38 min
Apr 6, 3:05 PM CDTTornado WarningFWDMilam40 min
Apr 6, 3:10 PM CDTTornado WarningFWDLeon26 min
Apr 6, 3:29 PM CDTTornado WarningFWDMilam, Robertson46 min
Apr 6, 3:42 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Leon63 min
Apr 6, 3:48 PM CDTSevere Thunderstorm WarningFWDMilam57 min
Apr 6, 3:59 PM CDTTornado WarningEWXLee13 min
Apr 6, 4:05 PM CDTTornado WarningFWDLeon, Robertson40 min
Apr 6, 4:11 PM CDTSevere Thunderstorm WarningEWXBastrop49 min
Apr 6, 4:17 PM CDTSevere Thunderstorm WarningSHVCherokee, Rusk58 min
Apr 6, 4:23 PM CDTTornado WarningSHVCherokee22 min
Apr 6, 4:30 PM CDTSevere Thunderstorm WarningHGXBurleson30 min
Apr 6, 4:38 PM CDTTornado WarningFWDLeon37 min
Apr 6, 4:41 PM CDTTornado WarningSHVCherokee, Rusk34 min
Apr 6, 4:44 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson61 min
Apr 6, 5:01 PM CDTSevere Thunderstorm WarningHGXBrazos, Burleson14 min
Apr 6, 5:16 PM CDTSevere Thunderstorm WarningFWDAnderson, Leon74 min
Apr 6, 5:29 PM CDTSevere Thunderstorm WarningHGXBrazos31 min
Apr 6, 5:39 PM CDTSevere Thunderstorm WarningHGXHouston36 min
Apr 6, 5:42 PM CDTTornado WarningHGXBrazos, Madison33 min
Apr 6, 5:47 PM CDTSevere Thunderstorm WarningHGXBurleson28 min
Apr 6, 5:55 PM CDTTornado WarningHGXHouston20 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

Fort Worth, TX (KFWD), launched 12:00Z, 3.6 hours before the alert went out and 167 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.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2019-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1268 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2019-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1268 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 5, 7:10 PM CDTMesoscale DiscussionSPCAndrews, Armstrong, Borden, Briscoe, Castro, Cochran and 42 more2 hr
Apr 6, 1:41 AM CDTMesoscale DiscussionSPCAndrews, Borden, Childress, Coke, Cottle, Crane and 25 more94 min
Apr 6, 7:58 AM CDTMesoscale DiscussionSPCArcher, Brown, Clay, Coleman, Comanche, Cooke and 11 more92 min
Apr 6, 9:08 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Austin, Bandera, Bastrop, Bell and 46 more3 hr
Apr 6, 1:09 PM CDTMesoscale DiscussionSPCAnderson, Angelina, Bastrop, Bell, Blanco, Bosque and 44 more96 min
Apr 6, 3:03 PM CDTMesoscale DiscussionSPCAnderson, Angelina, Bastrop, Bell, Blanco, Bosque and 44 more87 min
Apr 6, 4:48 PM CDTMesoscale DiscussionSPCAngelina, Brazos, Burleson, Cherokee, Grimes, Houston and 17 more117 min
Apr 6, 5:54 PM CDTTornado WatchSPCAngelina, Brazos, Burleson, Cherokee, Grimes, Houston and 12 more4 hr

Nearby

Tornado Watches in Texas, 2019Every tornado watch in 2019

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.