Alert archive / Texas / Flash Flood Warnings in 2026

Flash Flood Warning 29, NWS Houston/Galveston, TX

June 21, 2026Chambers County, Harris County, Liberty County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Jun 21, 2026, 8:33 AM CDT for Chambers County, Harris County, Liberty County, Texas. It was in force for 72 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: Jun 21, 2026, 8:33 AM CDT (13:33 UTC)
Expired: Jun 21, 2026, 9:45 AM CDT
In force: 72 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Flood severity: None

Counties Chambers County, TX, Harris County, TX, Liberty County, TX

The radar

The Houston radar (KHGX), 50 km from the middle of the area, began a volume at 13:37 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 forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 20, 2:50 PM CDT, 17 hours 43 minutes earlier.

Area forecast discussion, Jun 20, 2:50 PM CDT, 17 hours 43 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
Jun 20, 7:16 PM CDT	Areal Flood Warning	HGX	Brazoria, Galveston, Harris	104 min
Jun 20, 8:21 PM CDT	River Flood Warning	HGX	Brazos, Grimes, Madison	6 days
Jun 21, 3:00 AM CDT	Special Marine Warning	HGX		90 min
Jun 21, 4:26 AM CDT	Special Marine Warning	HGX		2 hr
Jun 21, 4:57 AM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Matagorda, Wharton	80 min
Jun 21, 5:18 AM CDT	Areal Flood Advisory	HGX	Colorado, Wharton	22 min
Jun 21, 5:34 AM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Harris	3 hr
Jun 21, 5:39 AM CDT	Flash Flood Warning	HGX	Colorado	66 min
Jun 21, 5:47 AM CDT	Special Marine Warning	HGX		58 min
Jun 21, 6:12 AM CDT	Special Weather Statement	HGX	Brazoria	48 min
Jun 21, 6:17 AM CDT	Flash Flood Warning	HGX	Brazoria, Matagorda	103 min
Jun 21, 6:28 AM CDT	Special Marine Warning	HGX		2 hr
Jun 21, 6:55 AM CDT	Special Marine Warning	HGX		95 min
Jun 21, 7:04 AM CDT	Areal Flood Advisory	HGX	Chambers	116 min
Jun 21, 7:42 AM CDT	Areal Flood Advisory	HGX	Chambers, Harris, Liberty	51 min
Jun 21, 8:08 AM CDT	Areal Flood Advisory	HGX	Brazoria, Jackson, Matagorda	112 min
Jun 21, 8:34 AM CDT	Special Marine Warning	HGX		86 min
Jun 21, 8:52 AM CDT	Areal Flood Advisory	HGX	Brazoria, Galveston	3 hr
Jun 21, 9:44 AM CDT	Areal Flood Warning	HGX	Chambers, Harris, Liberty	3 hr
Jun 21, 12:16 PM CDT	River Flood Warning	HGX	Polk, San Jacinto	9 hr

Nearby

Flash Flood Warnings in Texas, 2026 Every flash flood 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; radar from the NEXRAD Level II archive.