Alert archive / Texas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 73, NWS Houston/Galveston, TX

May 23, 2026Polk County, Trinity County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 23, 2026, 4:39 PM CDT for Polk County, Trinity County, Texas. It was in force for 17 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: May 23, 2026, 4:39 PM CDT (21:39 UTC)
Expired: May 23, 2026, 4:56 PM CDT
In force: 17 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Polk County, TX, Trinity County, TX

The radar

The Houston radar (KHGX), 164 km from the middle of the area, began a volume at 21:43 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

Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 303 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: 7 J/kg
Mixed-layer CIN: -511 J/kg
Mixed-layer LCL: 1991 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -80 m²/s²
0-3 km storm-relative helicity: -25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 23, 1:00 PM CDT, 3 hours 39 minutes earlier.

Area forecast discussion, May 23, 1:00 PM CDT, 3 hours 39 minutes before

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In the hours before

Local storm report, May 23, 2:05 PM CDT, 2 hours 34 minutes before

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Special weather statement, May 23, 2:20 PM CDT, 2 hours 19 minutes before

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Local storm report, May 23, 2:39 PM CDT, 2 hours before

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Local storm report, May 23, 2:47 PM CDT, 1 hour 52 minutes before

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Special weather statement, May 23, 3:34 PM CDT, 1 hour 5 minutes before

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Special weather statement, May 23, 4:33 PM CDT, 6 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
May 23, 3:04 AM CDT	Special Weather Statement	HGX	Colorado	26 min
May 23, 3:44 AM CDT	Special Weather Statement	HGX	Jackson	31 min
May 23, 3:53 AM CDT	Special Weather Statement	HGX	Wharton	37 min
May 23, 4:18 AM CDT	Special Weather Statement	HGX	Fort Bend, Wharton	27 min
May 23, 4:45 AM CDT	Special Weather Statement	HGX	Brazoria, Fort Bend, Wharton	30 min
May 23, 5:14 AM CDT	Special Weather Statement	HGX	Fort Bend, Harris	31 min
May 23, 5:17 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Fort Bend, Harris	28 min
May 23, 5:32 AM CDT	Special Weather Statement	HGX	Brazoria	28 min
May 23, 5:44 AM CDT	Special Weather Statement	HGX	Harris	31 min
May 23, 5:55 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Fort Bend, Galveston, Harris	15 min
May 23, 5:57 AM CDT	Special Marine Warning	HGX		72 min
May 23, 6:16 AM CDT	Special Weather Statement	HGX	Chambers, Galveston, Harris, Liberty	29 min
May 23, 6:46 AM CDT	Special Weather Statement	HGX	Chambers, Liberty	29 min
May 23, 6:52 AM CDT	Special Weather Statement	HGX	Galveston	23 min
May 23, 7:06 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Galveston, Liberty	24 min
May 23, 7:24 AM CDT	Special Weather Statement	HGX	Polk, San Jacinto	36 min
May 23, 7:29 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Galveston, Liberty	16 min
May 23, 8:13 AM CDT	Special Weather Statement	HGX	Polk	92 min
May 23, 12:15 PM CDT	Special Marine Warning	HGX		60 min
May 23, 12:30 PM CDT	Special Weather Statement	HGX	Galveston	60 min
May 23, 12:34 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Harris	3 hr
May 23, 1:13 PM CDT	Special Marine Warning	HGX		62 min
May 23, 1:36 PM CDT	Areal Flood Advisory	HGX	Galveston	3 hr
May 23, 1:42 PM CDT	Special Marine Warning	HGX		48 min
May 23, 1:45 PM CDT	Flash Flood Warning	HGX	Brazoria, Galveston	3 hr
May 23, 1:59 PM CDT	Areal Flood Advisory	HGX	Brazoria, Chambers, Fort Bend, Harris, Liberty	3 hr
May 23, 2:18 PM CDT	Special Marine Warning	HGX		57 min
May 23, 2:20 PM CDT	Special Weather Statement	HGX	Matagorda	55 min
May 23, 2:26 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Wharton	3 hr
May 23, 2:49 PM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Matagorda, Wharton	26 min
May 23, 3:12 PM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Matagorda	24 min
May 23, 3:22 PM CDT	Areal Flood Advisory	HGX	Brazoria, Galveston	3 hr
May 23, 3:34 PM CDT	Special Weather Statement	HGX	Brazoria, Fort Bend	41 min
May 23, 3:51 PM CDT	Flash Flood Warning	HGX	Brazoria, Galveston	105 min
May 23, 4:14 PM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Harris, Waller	111 min
May 23, 4:20 PM CDT	Areal Flood Warning	HGX	Brazoria, Galveston	2 hr
May 23, 4:31 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery, Polk, San Jacinto, Trinity, Walker	119 min
May 23, 4:33 PM CDT	Special Weather Statement	HGX	Trinity	27 min
May 23, 5:36 PM CDT	Areal Flood Warning	HGX	Brazoria, Galveston	69 min
May 23, 6:05 PM CDT	Areal Flood Warning	HGX	Brazoria, Fort Bend, Harris, Waller	70 min

Nearby

Severe Thunderstorm Warnings in Texas, 2026 Every severe thunderstorm warning 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.