Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 4, NWS Houston/Galveston, TX

March 4, 20256 counties in Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 4, 2025, 8:51 AM CST for 6 counties in Texas. It was in force for 54 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: Mar 4, 2025, 8:51 AM CST (14:51 UTC)
Expired: Mar 4, 2025, 9:45 AM CST
In force: 54 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Harris County, TX, Liberty County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX

The radar

The Houston radar (KHGX), 110 km from the middle of the area, began a volume at 14:50 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 12:00Z, 2.9 hours before the alert went out and 190 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: 155 J/kg
Mixed-layer CIN: -306 J/kg
Mixed-layer LCL: 718 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 471 m²/s²
0-3 km storm-relative helicity: 517 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Mar 4, 5:29 AM CST, 3 hours 22 minutes earlier.

Area forecast discussion, Mar 4, 5:29 AM CST, 3 hours 22 minutes before

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In the hours before

Special weather statement, Mar 4, 7:12 AM CST, 1 hour 39 minutes before

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Special weather statement, Mar 4, 7:44 AM CST, 1 hour 7 minutes before

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Special weather statement, Mar 4, 7:58 AM CST, 53 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
Mar 4, 3:46 AM CST	Gale Warning	HGX		16 hr
Mar 4, 3:46 AM CST	Small Craft Advisory	HGX		32 hr
Mar 4, 4:35 AM CST	Red Flag Warning	HGX	Austin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 11 more	14 hr
Mar 4, 7:12 AM CST	Special Weather Statement	HGX	Brazos, Burleson, Washington	33 min
Mar 4, 7:44 AM CST	Special Weather Statement	HGX	Austin, Brazos, Burleson, Grimes, Houston, Madison and 3 more	46 min
Mar 4, 7:58 AM CST	Special Weather Statement	HGX	Montgomery, Polk, San Jacinto, Waller	77 min
Mar 4, 8:26 AM CST	Severe Thunderstorm Warning	HGX	Houston, Madison, Polk, San Jacinto, Trinity, Walker	49 min
Mar 4, 9:39 AM CST	Severe Thunderstorm Warning	HGX	Harris, Liberty, Montgomery, Polk, San Jacinto	30 min
Mar 4, 9:43 AM CST	Special Marine Warning	HGX		92 min
Mar 4, 10:00 AM CST	Special Weather Statement	HGX	Brazoria, Chambers, Fort Bend, Galveston, Harris	75 min
Mar 4, 4:51 PM CST	Special Weather Statement	HGX	Austin, Brazos, Burleson, Grimes, Houston, Madison and 7 more	84 min

Nearby

Severe Thunderstorm Warnings in Texas, 2025 Every severe thunderstorm warning in 2025

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.