Alert archive / Texas / Flash Flood Warnings in 2025
Flash Flood Warning 1, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Apr 21, 2025, 9:43 AM CDT for 4 counties in Texas. It was in force for 92 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 21, 2025, 9:43 AM CDT (14:43 UTC)
- Expired
- Apr 21, 2025, 11:15 AM CDT
- In force
- 92 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brazoria County, TX, Fort Bend County, TX, Galveston County, TX, Harris County, TX
The radar
The Houston radar (KHGX), 26 km from the middle of the area, began a volume at 14:46 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 office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 7:40 PM CDT | Areal Flood Advisory | HGX | Montgomery, San Jacinto, Walker | 3 hr |
| Apr 20, 10:22 PM CDT | Areal Flood Advisory | HGX | Montgomery, Polk, San Jacinto, Walker | 3 hr |
| Apr 21, 12:53 AM CDT | Areal Flood Advisory | HGX | Polk, San Jacinto | 4 hr |
| Apr 21, 6:00 AM CDT | Areal Flood Advisory | HGX | Harris, Liberty, Montgomery | 3 hr |
| Apr 21, 7:59 AM CDT | Areal Flood Advisory | HGX | Brazoria, Fort Bend, Harris | 3 hr |
| Apr 21, 8:45 AM CDT | Special Weather Statement | HGX | Chambers | 45 min |
| Apr 21, 8:48 AM CDT | Special Weather Statement | HGX | Harris | 42 min |
| Apr 21, 8:51 AM CDT | Special Marine Warning | HGX | 39 min | |
| Apr 21, 8:53 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris, Liberty | 37 min |
| Apr 21, 9:03 AM CDT | Areal Flood Advisory | HGX | Brazoria, Harris | 3 hr |
| Apr 21, 9:28 AM CDT | Special Weather Statement | HGX | Brazoria, Galveston | 62 min |
| Apr 21, 9:36 AM CDT | Special Marine Warning | HGX | 54 min | |
| Apr 21, 9:44 AM CDT | Special Weather Statement | HGX | Brazoria | 31 min |
| Apr 21, 10:17 AM CDT | Special Weather Statement | HGX | Matagorda | 43 min |
| Apr 21, 10:23 AM CDT | Severe Thunderstorm Warning | HGX | Galveston | 37 min |
| Apr 21, 10:28 AM CDT | Special Marine Warning | HGX | 62 min | |
| Apr 21, 10:46 AM CDT | Severe Thunderstorm Warning | HGX | Galveston | 14 min |
| Apr 21, 12:03 PM CDT | Special Marine Warning | HGX | 87 min | |
| Apr 21, 1:36 PM CDT | River Flood Warning | HGX | Hardin, Liberty, Polk | 54 hr |
Nearby
Flash Flood Warnings in Texas, 2025Every flash flood 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; radar from the NEXRAD Level II archive.