Alert archive / Texas / Tornado Watches in 2026

Tornado Watch 44

March 11, 202626 parishes in Louisiana; 29 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 11, 2026, 11:25 AM CDT for 26 parishes in Louisiana; 29 counties in Texas. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Mar 11, 2026, 11:25 AM CDT (16:25 UTC)
Expired
Mar 11, 2026, 8:00 PM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 55 counties

Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, De Soto Parish, LA, Evangeline Parish, LA, Grant Parish, LA, Iberia Parish, LA, Jackson Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Rapides Parish, LA, Red River Parish, LA, Sabine Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Winn Parish, LA, Angelina County, TX, Austin County, TX, Brazoria County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX

The radar

The Lake Charles radar (KLCH), 149 km from the middle of the area, began a volume at 16:27 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
50%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 11, 11:49 AM CDTSevere Thunderstorm WarningHGXAustin, Fort Bend, Harris, Montgomery, Waller56 min
Mar 11, 12:09 PM CDTSevere Thunderstorm WarningHGXGrimes, Harris, Montgomery, Walker, Waller33 min
Mar 11, 12:11 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Rusk, Smith33 min
Mar 11, 12:44 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Panola, Rusk, Shelby46 min
Mar 11, 2:12 PM CDTSevere Thunderstorm WarningLCHHardin, Tyler63 min
Mar 11, 3:09 PM CDTSevere Thunderstorm WarningLCHJasper, Newton, Tyler51 min
Mar 11, 3:19 PM CDTSevere Thunderstorm WarningSHVSabine41 min
Mar 11, 3:57 PM CDTTornado WarningLCHJasper, Newton33 min
Mar 11, 5:31 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides29 min
Mar 11, 5:37 PM CDTTornado Warning Tornado observedLCHAvoyelles, Rapides23 min
Mar 11, 6:11 PM CDTTornado WarningLCHAvoyelles19 min
Mar 11, 6:23 PM CDTSevere Thunderstorm WarningLCHAvoyelles37 min
Mar 11, 6:26 PM CDTSevere Thunderstorm WarningLCHAcadia34 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, 4.4 hours before the alert went out and 343 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 2026-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2026-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 288 square meters per square second.1939587897Sfc1 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
3 J/kg
Mixed-layer CIN
-407 J/kg
Mixed-layer LCL
2141 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
288 m²/s²
0-3 km storm-relative helicity
261 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.

IssuedProductOfficeCountiesLasted
Mar 11, 3:08 AM CDTMesoscale DiscussionSPCBossier, Caddo, Claiborne, Webster97 min
Mar 11, 7:13 AM CDTMesoscale DiscussionSPCBienville, Claiborne, De Soto, Jackson, Lincoln, Natchitoches and 5 more2 hr
Mar 11, 10:15 AM CDTMesoscale DiscussionSPCAllen, Beauregard, Bienville, Calcasieu, Caldwell, Catahoula and 20 more3 hr
Mar 11, 1:56 PM CDTMesoscale DiscussionSPCAllen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 12 more2 hr
Mar 11, 6:18 PM CDTMesoscale DiscussionSPCAcadia, Ascension, Assumption, Avoyelles, Concordia, East Baton Rouge and 21 more117 min
Mar 11, 6:56 PM CDTTornado WatchSPCAscension, Assumption, Concordia, East Baton Rouge, East Feliciana, Iberville and 17 more7 hr
Mar 10, 8:15 PM CDTSevere Thunderstorm WatchSPCBandera, Bell, Blanco, Bosque, Burnet, Collin and 34 more6 hr
Mar 10, 8:57 PM CDTMesoscale DiscussionSPCCollin, Cooke, Dallas, Denton, Fannin, Grayson and 6 more2 hr
Mar 10, 10:18 PM CDTTornado WatchSPCRed River7 hr
Mar 10, 11:21 PM CDTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Burnet, Coryell and 25 more84 min

Nearby

Tornado Watches in Texas, 2026Tornado Watches in Louisiana, 2026Every tornado watch in 2026

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.