Alert archive / Texas / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 85, NWS Houston/Galveston, TX

April 29, 20244 counties in Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 29, 2024, 1:31 AM CDT for 4 counties in Texas. It was in force for 29 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, 1:31 AM CDT (06:31 UTC)
Expired
Apr 29, 2024, 2:00 AM CDT
In force
29 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Polk County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX

The radar

The Houston radar (KHGX), 148 km from the middle of the area, began a volume at 06:34 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.5 hours before the alert went out and 204 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, Lake Charles Mun, LA at 00:00Z on 2024-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1624 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, Lake Charles Mun, LA at 00:00Z on 2024-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 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
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 severe thunderstorm 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 severe thunderstorm warning went out at Apr 29, 12:35 AM CDT, 56 minutes earlier.

Area forecast discussion, Apr 29, 12:35 AM CDT, 56 minutes before
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In the hours before

Local storm report, Apr 28, 11:26 PM CDT, 2 hours 5 minutes before
Preliminary Local Storm Report
National Weather Service Houston/Galveston TX
1126 PM CDT Sun Apr 28 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1040 PM     Flash Flood      1 S College Station     30.61N 96.33W
04/28/2024                   Brazos             TX   Public

            Social media post showed flash flooding
            along Wolf Pen Creek in College Station.
            Surrounding areas inundated with water.

&&

BB
Local storm report, Apr 28, 11:36 PM CDT, 1 hour 55 minutes before
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Local storm report, Apr 28, 11:41 PM CDT, 1 hour 50 minutes before
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Special weather statement, Apr 29, 1:18 AM CDT, 13 minutes before
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Local storm report, Apr 29, 1:28 AM CDT, 3 minutes before
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Special weather statement, Apr 29, 1:31 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:14 PM CDTTornado WarningHGXHouston, Madison31 min
Apr 28, 7:22 PM CDTFlash Flood WarningHGXBrazos, Grimes, Houston, Madison83 min
Apr 28, 7:33 PM CDTSevere Thunderstorm WarningHGXHouston, San Jacinto, Trinity, Walker27 min
Apr 28, 7:41 PM CDTSevere Thunderstorm WarningHGXGrimes, Madison, Walker34 min
Apr 28, 7:56 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXHouston, Trinity34 min
Apr 28, 8:00 PM CDTSevere Thunderstorm WarningHGXHouston, Madison, Walker30 min
Apr 28, 8:06 PM CDTAreal Flood AdvisoryHGXHouston, San Jacinto, Trinity, Walker114 min
Apr 28, 8:16 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXGrimes, Houston, Madison, Walker29 min
Apr 28, 8:29 PM CDTSevere Thunderstorm WarningHGXHouston, San Jacinto, Trinity, Walker46 min
Apr 28, 8:30 PM CDTSevere Thunderstorm WarningHGXBrazos, Grimes, Madison, Walker45 min
Apr 28, 8:41 PM CDTFlash Flood WarningHGXBrazos, Burleson, Grimes, Madison, Walker5 hr
Apr 28, 8:42 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXHouston, Madison, Walker48 min
Apr 28, 8:50 PM CDTFlash Flood WarningHGXSan Jacinto, Trinity4 hr
Apr 28, 9:13 PM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto, Trinity, Walker32 min
Apr 28, 9:21 PM CDTFlash Flood WarningHGXHouston, Madison, Trinity, Walker5 hr
Apr 28, 9:26 PM CDTSevere Thunderstorm WarningHGXHouston, Madison, Trinity, Walker34 min
Apr 28, 9:47 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXPolk, San Jacinto, Trinity, Walker43 min
Apr 28, 10:21 PM CDTFlash Flood Warning EmergencyCatastrophic damage threatHGXTrinity3 hr
Apr 28, 10:22 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXPolk, San Jacinto, Trinity38 min
Apr 28, 10:45 PM CDTSpecial Weather StatementHGXGrimes30 min
Apr 28, 11:02 PM CDTSevere Thunderstorm WarningHGXGrimes, Montgomery, Walker28 min
Apr 28, 11:10 PM CDTRiver Flood WarningHGXPolk, San Jacinto, Trinity, Walker28 days
Apr 28, 11:12 PM CDTSpecial Weather StatementHGXPolk, San Jacinto33 min
Apr 28, 11:29 PM CDTFlash Flood WarningHGXGrimes, Montgomery, San Jacinto, Trinity, Walker5 hr
Apr 28, 11:29 PM CDTSevere Thunderstorm WarningHGXGrimes, Montgomery, Walker46 min
Apr 28, 11:34 PM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto, Trinity41 min
Apr 28, 11:56 PM CDTFlash Flood WarningHGXPolk, Trinity3 hr
Apr 29, 12:15 AM CDTSevere Thunderstorm Warning Considerable damage threatHGXPolk, San Jacinto, Trinity30 min
Apr 29, 12:21 AM CDTSevere Thunderstorm WarningHGXMontgomery, San Jacinto, Trinity, Walker39 min
Apr 29, 12:37 AM CDTFlash Flood Warning Considerable damage threatHGXWalker3 hr
Apr 29, 12:43 AM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto47 min
Apr 29, 12:55 AM CDTSevere Thunderstorm WarningHGXPolk35 min
Apr 29, 1:09 AM CDTAreal Flood WarningHGXPolk, San Jacinto, Trinity, Walker9 hr
Apr 29, 1:18 AM CDTSpecial Weather StatementHGXWalker87 min
Apr 29, 1:31 AM CDTSpecial Weather StatementHGXPolk, San Jacinto74 min
Apr 29, 1:42 AM CDTFlash Flood WarningHGXPolk, San Jacinto3 hr
Apr 29, 1:47 AM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto, Trinity43 min
Apr 29, 2:10 AM CDTAreal Flood WarningHGXBrazos, Burleson, Grimes, Houston, Madison, Trinity and 1 more8 hr
Apr 29, 2:24 AM CDTSevere Thunderstorm WarningHGXLiberty, Montgomery36 min
Apr 29, 2:32 AM CDTFlash Flood WarningHGXLiberty, Montgomery, San Jacinto, Walker3 hr
Apr 29, 2:38 AM CDTRiver Flood WarningHGXChambers, Liberty60 days
Apr 29, 2:38 AM CDTRiver Flood WarningHGXPolk, San Jacinto35 hr
Apr 29, 2:38 AM CDTRiver Flood WarningHGXMadison, Walker42 hr
Apr 29, 2:38 AM CDTRiver Flood WarningHGXHardin, Liberty, Polk71 hr
Apr 29, 2:49 AM CDTSpecial Marine WarningHGX26 min
Apr 29, 3:01 AM CDTSpecial Weather StatementHGXLiberty, San Jacinto59 min
Apr 29, 3:07 AM CDTSpecial Weather StatementHGXChambers23 min
Apr 29, 3:38 AM CDTSevere Thunderstorm WarningHGXChambers, Liberty37 min
Apr 29, 3:49 AM CDTTornado WarningHGXChambers, Liberty26 min
Apr 29, 3:56 AM CDTSpecial Marine WarningHGX49 min
Apr 29, 3:56 AM CDTSpecial Weather StatementHGXChambers34 min
Apr 29, 4:02 AM CDTSevere Thunderstorm WarningHGXGalveston, Harris28 min
Apr 29, 4:03 AM CDTFlash Flood WarningHGXChambers, Harris, Liberty3 hr
Apr 29, 4:07 AM CDTTornado WarningHGXGalveston, Harris23 min
Apr 29, 4:12 AM CDTTornado WarningHGXChambers, Liberty30 min
Apr 29, 4:34 AM CDTSevere Thunderstorm WarningHGXChambers, Harris41 min
Apr 29, 4:38 AM CDTSpecial Marine WarningHGX67 min
Apr 29, 4:40 AM CDTSevere Thunderstorm WarningHGXChambers, Liberty20 min
Apr 29, 4:50 AM CDTFlash Flood Warning Considerable damage threatHGXChambers3 hr
Apr 29, 4:56 AM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston34 min
Apr 29, 4:58 AM CDTSevere Thunderstorm WarningHGXChambers, Liberty32 min
Apr 29, 5:04 AM CDTSpecial Marine WarningHGX86 min
Apr 29, 5:17 AM CDTSpecial Weather StatementHGXChambers28 min
Apr 29, 5:26 AM CDTSpecial Weather StatementHGXChambers, Galveston49 min
Apr 29, 5:30 AM CDTSevere Thunderstorm Warning Considerable damage threatHGXChambers, Galveston15 min
Apr 29, 5:32 AM CDTSevere Thunderstorm Warning Considerable damage threatHGXGalveston13 min
Apr 29, 5:38 AM CDTAreal Flood AdvisoryHGXGalveston112 min
Apr 29, 5:43 AM CDTSpecial Marine WarningHGX47 min
Apr 29, 5:57 AM CDTSpecial Marine WarningHGX33 min
Apr 29, 6:09 AM CDTFlash Flood WarningHGXGalveston3 hr
Apr 29, 6:16 AM CDTSpecial Marine WarningHGX44 min
Apr 29, 6:56 AM CDTSpecial Marine WarningHGX34 min
Apr 29, 7:05 AM CDTSpecial Marine WarningHGX55 min
Apr 29, 7:19 AM CDTSpecial Marine WarningHGX41 min
Apr 29, 7:46 AM CDTSpecial Marine WarningHGX29 min
Apr 29, 8:09 AM CDTSpecial Marine WarningHGX66 min
Apr 29, 9:00 AM CDTSpecial Marine WarningHGX30 min
Apr 29, 9:21 AM CDTSpecial Marine WarningHGX24 min
Apr 29, 9:54 AM CDTSpecial Marine WarningHGX51 min
Apr 29, 10:00 AM CDTAreal Flood WarningHGXPolk, San Jacinto, Trinity, Walker2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2024Every severe thunderstorm warning 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.