Alert archive / Texas / Harris County / Flash Flood Warnings
Flash Flood Warnings in Harris County, Texas, 2021
16 flash flood warnings in 2021. An alert counts here when it covered this county. The archive of flash flood warnings reaches back to 1986.
Harris County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Flash Flood Warnings
- 16
- Busiest month
- June4 flash flood warnings
- Busiest day
- September 14, 20213 flash flood warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 30, 6:01 AM CDT | Flash Flood Warning | HGX | 5 hr |
| May 17, 3:21 PM CDT | Flash Flood Warning | HGX | 3 hr |
| May 18, 9:43 PM CDT | Flash Flood Warning | HGX | 3 hr |
| May 24, 12:42 PM CDT | Flash Flood Warning | HGX | 3 hr |
| Jun 21, 5:34 PM CDT | Flash Flood Warning | HGX | 116 min |
| Jun 21, 6:51 PM CDT | Flash Flood Warning | HGX | 114 min |
| Jun 21, 7:08 PM CDT | Flash Flood Warning | HGX | 3 hr |
| Jun 28, 11:05 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Jul 21, 3:09 PM CDT | Flash Flood Warning | HGX | 51 min |
| Aug 16, 4:48 PM CDT | Flash Flood Warning | HGX | 48 min |
| Sep 14, 1:43 AM CDT | Flash Flood Warning | HGX | 4 hr |
| Sep 14, 3:33 AM CDT | Flash Flood Warning | HGX | 4 hr |
| Sep 14, 5:45 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 1, 6:04 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 1, 8:29 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 2, 12:21 PM CDT | Flash Flood Warning | HGX | 74 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.