Alert archive / Texas / Tornado Watches in 2022

Tornado Watch 112

April 12, 202232 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 12, 2022, 4:11 PM CDT for 32 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Apr 12, 2022, 4:11 PM CDT (21:11 UTC)
Expired: Apr 12, 2022, 11:00 PM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 60 kt

All 32 counties

Anderson County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Burnet County, TX, Collin County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Falls County, TX, Freestone County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Navarro County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, Tarrant County, TX, Travis County, TX, Van Zandt County, TX, Williamson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 93 km from the middle of the area, began a volume at 21:14 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: 60%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 12, 4:11 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Lampasas	64 min
Apr 12, 4:19 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Comanche, Erath, Hamilton	56 min
Apr 12, 4:50 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Williamson	25 min
Apr 12, 4:55 PM CDT	Severe Thunderstorm Warning	FWD	Erath, Hood, Johnson, Parker, Somervell	65 min
Apr 12, 5:01 PM CDT	Tornado Warning	FWD	Bell, Coryell	44 min
Apr 12, 5:03 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Hill, Johnson	57 min
Apr 12, 5:03 PM CDT	Severe Thunderstorm Warning	FWD	Bell	57 min
Apr 12, 5:14 PM CDT	Tornado Warning	FWD	Coryell	31 min
Apr 12, 5:22 PM CDT	Tornado Warning	EWX	Williamson	23 min
Apr 12, 5:24 PM CDT	Tornado Warning	FWD	Bell	51 min
Apr 12, 5:25 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Johnson, Parker, Tarrant	65 min
Apr 12, 5:34 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe, Hays	33 min
Apr 12, 5:42 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Hill, Johnson, Navarro	48 min
Apr 12, 5:42 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, McLennan	63 min
Apr 12, 5:46 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Williamson	37 min
Apr 12, 6:05 PM CDT	Severe Thunderstorm Warning	FWD	Denton	15 min
Apr 12, 6:13 PM CDT	Severe Thunderstorm Warning	FWD	Bell	77 min
Apr 12, 6:27 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Henderson, Kaufman, Navarro, Rockwall and 1 more	63 min
Apr 12, 6:39 PM CDT	Severe Thunderstorm Warning	FWD	Coryell	52 min
Apr 12, 6:41 PM CDT	Severe Thunderstorm Warning	FWD	Freestone, Hill, Limestone, Navarro	64 min
Apr 12, 6:45 PM CDT	Flash Flood Warning	FWD	Bell	3 hr
Apr 12, 7:11 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins, Hunt, Rains, Van Zandt	64 min
Apr 12, 7:14 PM CDT	Severe Thunderstorm Warning	FWD	Anderson, Henderson	76 min
Apr 12, 7:22 PM CDT	Tornado Warning	FWD	Bell, Falls	38 min
Apr 12, 7:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Bell	62 min
Apr 12, 7:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Bell, Falls, Milam, Robertson	57 min
Apr 12, 7:49 PM CDT	Severe Thunderstorm Warning	FWD	Freestone, Leon, Limestone	56 min
Apr 12, 7:50 PM CDT	Tornado Warning	FWD	Falls, Milam	40 min
Apr 12, 8:15 PM CDT	Severe Thunderstorm Warning	FWD	Anderson	45 min
Apr 12, 8:20 PM CDT	Tornado Warning	FWD	Milam, Robertson	40 min
Apr 12, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Falls, Limestone, Milam, Robertson	64 min
Apr 12, 9:07 PM CDT	Tornado Warning	FWD	Leon, Robertson	38 min
Apr 12, 9:41 PM CDT	Severe Thunderstorm Warning	FWD	Leon, Robertson	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

Fort Worth, TX (KFWD), launched 12:00Z, 9.2 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2188 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 12, 1:01 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Coleman, Comanche, Concho and 20 more	89 min
Apr 12, 1:32 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coleman, Comanche, Concho, Eastland and 19 more	6 hr
Apr 12, 2:18 PM CDT	Mesoscale Discussion	SPC	Bandera, Edwards, Frio, Gillespie, Kendall, Kerr and 9 more	57 min
Apr 12, 3:07 PM CDT	Mesoscale Discussion	SPC	Anderson, Bastrop, Bell, Blanco, Brazos, Burleson and 29 more	113 min
Apr 12, 5:32 PM CDT	Mesoscale Discussion	SPC	Bastrop, Bell, Bosque, Caldwell, Comal, Coryell and 20 more	88 min
Apr 12, 6:27 PM CDT	Mesoscale Discussion	SPC	Cameron, Hidalgo	93 min
Apr 12, 6:59 PM CDT	Mesoscale Discussion	SPC	Anderson, Angelina, Bowie, Camp, Cass, Cherokee and 17 more	2 hr

Nearby

Tornado Watches in Texas, 2022 Every 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.