Alert archive / Texas / Tornado Warnings in 2024

Tornado Warning 29, NWS Houston/Galveston, TX

April 29, 2024Chambers County, Liberty County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Apr 29, 2024, 4:12 AM CDT for Chambers County, Liberty County, Texas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 29, 2024, 4:12 AM CDT (09:12 UTC)
Expired: Apr 29, 2024, 4:42 AM CDT
In force: 30 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Chambers County, TX, Liberty County, TX

The radar

The Houston radar (KHGX), 60 km from the middle of the area, began a volume at 09:12 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 29, 1:58 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.2 hours before the alert went out and 150 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: 1624 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 792 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 5.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Apr 29, 3:34 AM CDT, 38 minutes earlier.

Area forecast discussion, Apr 29, 3:34 AM CDT, 38 minutes before

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In the hours before

Local storm report, Apr 29, 1:28 AM CDT, 2 hours 44 minutes before

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Special weather statement, Apr 29, 1:31 AM CDT, 2 hours 41 minutes before

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Local storm report, Apr 29, 1:35 AM CDT, 2 hours 37 minutes before

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Special weather statement, Apr 29, 3:01 AM CDT, 1 hour 11 minutes before

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Special weather statement, Apr 29, 3:07 AM CDT, 1 hour 5 minutes before

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Special weather statement, Apr 29, 3:56 AM CDT, 16 minutes before

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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 7:14 PM CDT	Tornado Warning	HGX	Houston, Madison	31 min
Apr 28, 7:22 PM CDT	Flash Flood Warning	HGX	Brazos, Grimes, Houston, Madison	83 min
Apr 28, 7:33 PM CDT	Severe Thunderstorm Warning	HGX	Houston, San Jacinto, Trinity, Walker	27 min
Apr 28, 7:41 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Madison, Walker	34 min
Apr 28, 7:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Houston, Trinity	34 min
Apr 28, 8:00 PM CDT	Severe Thunderstorm Warning	HGX	Houston, Madison, Walker	30 min
Apr 28, 8:06 PM CDT	Areal Flood Advisory	HGX	Houston, San Jacinto, Trinity, Walker	114 min
Apr 28, 8:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Grimes, Houston, Madison, Walker	29 min
Apr 28, 8:29 PM CDT	Severe Thunderstorm Warning	HGX	Houston, San Jacinto, Trinity, Walker	46 min
Apr 28, 8:30 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Grimes, Madison, Walker	45 min
Apr 28, 8:41 PM CDT	Flash Flood Warning	HGX	Brazos, Burleson, Grimes, Madison, Walker	5 hr
Apr 28, 8:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Houston, Madison, Walker	48 min
Apr 28, 8:50 PM CDT	Flash Flood Warning	HGX	San Jacinto, Trinity	4 hr
Apr 28, 9:13 PM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto, Trinity, Walker	32 min
Apr 28, 9:21 PM CDT	Flash Flood Warning	HGX	Houston, Madison, Trinity, Walker	5 hr
Apr 28, 9:26 PM CDT	Severe Thunderstorm Warning	HGX	Houston, Madison, Trinity, Walker	34 min
Apr 28, 9:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Polk, San Jacinto, Trinity, Walker	43 min
Apr 28, 10:21 PM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	HGX	Trinity	3 hr
Apr 28, 10:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Polk, San Jacinto, Trinity	38 min
Apr 28, 10:45 PM CDT	Special Weather Statement	HGX	Grimes	30 min
Apr 28, 11:02 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Montgomery, Walker	28 min
Apr 28, 11:10 PM CDT	River Flood Warning	HGX	Polk, San Jacinto, Trinity, Walker	28 days
Apr 28, 11:12 PM CDT	Special Weather Statement	HGX	Polk, San Jacinto	33 min
Apr 28, 11:29 PM CDT	Flash Flood Warning	HGX	Grimes, Montgomery, San Jacinto, Trinity, Walker	5 hr
Apr 28, 11:29 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Montgomery, Walker	46 min
Apr 28, 11:34 PM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto, Trinity	41 min
Apr 28, 11:56 PM CDT	Flash Flood Warning	HGX	Polk, Trinity	3 hr
Apr 29, 12:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Polk, San Jacinto, Trinity	30 min
Apr 29, 12:21 AM CDT	Severe Thunderstorm Warning	HGX	Montgomery, San Jacinto, Trinity, Walker	39 min
Apr 29, 12:37 AM CDT	Flash Flood Warning Considerable damage threat	HGX	Walker	3 hr
Apr 29, 12:43 AM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto	47 min
Apr 29, 12:55 AM CDT	Severe Thunderstorm Warning	HGX	Polk	35 min
Apr 29, 1:09 AM CDT	Areal Flood Warning	HGX	Polk, San Jacinto, Trinity, Walker	9 hr
Apr 29, 1:18 AM CDT	Special Weather Statement	HGX	Walker	87 min
Apr 29, 1:31 AM CDT	Special Weather Statement	HGX	Polk, San Jacinto	74 min
Apr 29, 1:31 AM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto, Trinity, Walker	29 min
Apr 29, 1:42 AM CDT	Flash Flood Warning	HGX	Polk, San Jacinto	3 hr
Apr 29, 1:47 AM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto, Trinity	43 min
Apr 29, 2:10 AM CDT	Areal Flood Warning	HGX	Brazos, Burleson, Grimes, Houston, Madison, Trinity and 1 more	8 hr
Apr 29, 2:24 AM CDT	Severe Thunderstorm Warning	HGX	Liberty, Montgomery	36 min
Apr 29, 2:32 AM CDT	Flash Flood Warning	HGX	Liberty, Montgomery, San Jacinto, Walker	3 hr
Apr 29, 2:38 AM CDT	River Flood Warning	HGX	Chambers, Liberty	60 days
Apr 29, 2:38 AM CDT	River Flood Warning	HGX	Polk, San Jacinto	35 hr
Apr 29, 2:38 AM CDT	River Flood Warning	HGX	Madison, Walker	42 hr
Apr 29, 2:38 AM CDT	River Flood Warning	HGX	Hardin, Liberty, Polk	71 hr
Apr 29, 2:49 AM CDT	Special Marine Warning	HGX		26 min
Apr 29, 3:01 AM CDT	Special Weather Statement	HGX	Liberty, San Jacinto	59 min
Apr 29, 3:07 AM CDT	Special Weather Statement	HGX	Chambers	23 min
Apr 29, 3:38 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Liberty	37 min
Apr 29, 3:49 AM CDT	Tornado Warning	HGX	Chambers, Liberty	26 min
Apr 29, 3:56 AM CDT	Special Marine Warning	HGX		49 min
Apr 29, 3:56 AM CDT	Special Weather Statement	HGX	Chambers	34 min
Apr 29, 4:02 AM CDT	Severe Thunderstorm Warning	HGX	Galveston, Harris	28 min
Apr 29, 4:03 AM CDT	Flash Flood Warning	HGX	Chambers, Harris, Liberty	3 hr
Apr 29, 4:07 AM CDT	Tornado Warning	HGX	Galveston, Harris	23 min
Apr 29, 4:34 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Harris	41 min
Apr 29, 4:38 AM CDT	Special Marine Warning	HGX		67 min
Apr 29, 4:40 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Liberty	20 min
Apr 29, 4:50 AM CDT	Flash Flood Warning Considerable damage threat	HGX	Chambers	3 hr
Apr 29, 4:56 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Galveston	34 min
Apr 29, 4:58 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Liberty	32 min
Apr 29, 5:04 AM CDT	Special Marine Warning	HGX		86 min
Apr 29, 5:17 AM CDT	Special Weather Statement	HGX	Chambers	28 min
Apr 29, 5:26 AM CDT	Special Weather Statement	HGX	Chambers, Galveston	49 min
Apr 29, 5:30 AM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Chambers, Galveston	15 min
Apr 29, 5:32 AM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	Galveston	13 min
Apr 29, 5:38 AM CDT	Areal Flood Advisory	HGX	Galveston	112 min
Apr 29, 5:43 AM CDT	Special Marine Warning	HGX		47 min
Apr 29, 5:57 AM CDT	Special Marine Warning	HGX		33 min
Apr 29, 6:09 AM CDT	Flash Flood Warning	HGX	Galveston	3 hr
Apr 29, 6:16 AM CDT	Special Marine Warning	HGX		44 min
Apr 29, 6:56 AM CDT	Special Marine Warning	HGX		34 min
Apr 29, 7:05 AM CDT	Special Marine Warning	HGX		55 min
Apr 29, 7:19 AM CDT	Special Marine Warning	HGX		41 min
Apr 29, 7:46 AM CDT	Special Marine Warning	HGX		29 min
Apr 29, 8:09 AM CDT	Special Marine Warning	HGX		66 min
Apr 29, 9:00 AM CDT	Special Marine Warning	HGX		30 min
Apr 29, 9:21 AM CDT	Special Marine Warning	HGX		24 min
Apr 29, 9:54 AM CDT	Special Marine Warning	HGX		51 min
Apr 29, 10:00 AM CDT	Areal Flood Warning	HGX	Polk, San Jacinto, Trinity, Walker	2 hr

Nearby

Tornado Warnings in Texas, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.