Alert archive / California / Riverside County / 2025
Weather alerts in Riverside County, California, September 2025
50 weather alerts in September 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 50
- Warnings
- 20
- Watches
- 5
- Advisories
- 15
- Busiest day
- September 18, 202512 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 3, 1:30 PM PDT | Flood Watch | PSR | 35 hr |
| Sep 4, 1:50 PM PDT | Areal Flood Advisory | SGX | 119 min |
| Sep 4, 2:10 PM PDT | Severe Thunderstorm Warning | PSR | 50 min |
| Sep 4, 3:25 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 7, 2:41 PM PDT | Areal Flood Advisory | PSR | 2 hr |
| Sep 8, 2:22 PM PDT | Wind Advisory | SGX | 35 hr |
| Sep 17, 12:17 PM PDT | Flood Watch | SGX | 38 hr |
| Sep 17, 12:39 PM PDT | Flood Watch | PSR | 34 hr |
| Sep 17, 1:05 PM PDT | Special Weather Statement | PSR | 40 min |
| Sep 17, 2:15 PM PDT | Special Weather Statement | PSR | 30 min |
| Sep 17, 2:30 PM PDT | Severe Thunderstorm Warning | PSR | 45 min |
| Sep 17, 2:45 PM PDT | Severe Thunderstorm Warning | PSR | 24 min |
| Sep 17, 2:59 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Sep 17, 3:22 PM PDT | Severe Thunderstorm Warning | PSR | 38 min |
| Sep 17, 4:06 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 17, 4:12 PM PDT | Areal Flood Advisory | SGX | 113 min |
| Sep 18, 5:14 AM PDT | Areal Flood Advisory | PSR | 2 hr |
| Sep 18, 11:48 AM PDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 18, 12:36 PM PDT | Flash Flood Warning | PSR | 7 hr |
| Sep 18, 12:48 PM PDT | Severe Thunderstorm Warning | PSR | 57 min |
| Sep 18, 1:10 PM PDT | Severe Thunderstorm Warning | PSR | 50 min |
| Sep 18, 1:20 PM PDT | Flash Flood Warning | PSR | 6 hr |
| Sep 18, 1:28 PM PDT | Areal Flood Advisory | SGX | 106 min |
| Sep 18, 2:39 PM PDT | Areal Flood Advisory | SGX | 119 min |
| Sep 18, 3:13 PM PDT | Areal Flood Warning | SGX | 2 hr |
| Sep 18, 3:38 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Sep 18, 4:16 PM PDT | Special Weather Statement | SGX | 44 min |
| Sep 18, 4:32 PM PDT | Severe Thunderstorm Warning | SGX | 58 min |
| Sep 18, 5:05 PM PDT | Flash Flood Warning | SGX | 85 min |
| Sep 18, 5:23 PM PDT | Special Weather Statement | PSR | 37 min |
| Sep 18, 6:31 PM PDT | Severe Thunderstorm Warning | PSR | 29 min |
| Sep 18, 6:46 PM PDT | Severe Thunderstorm Warning | PSR | 29 min |
| Sep 18, 7:08 PM PDT | Areal Flood Warning | PSR | 107 min |
| Sep 18, 7:11 PM PDT | Special Weather Statement | PSR | 49 min |
| Sep 18, 7:12 PM PDT | Areal Flood Warning | PSR | 103 min |
| Sep 18, 7:51 PM PDT | Special Weather Statement | PSR | 39 min |
| Sep 18, 7:53 PM PDT | Areal Flood Advisory | SGX | 59 min |
| Sep 18, 8:15 PM PDT | Special Weather Statement | SGX | 45 min |
| Sep 18, 8:31 PM PDT | Special Weather Statement | PSR | 14 min |
| Sep 26, 12:03 PM PDT | Flood Watch | SGX | 31 hr |
| Sep 26, 2:36 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 26, 4:02 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 27, 1:38 AM PDT | Flood Watch | PSR | 16 hr |
| Sep 27, 5:22 AM PDT | Flash Flood Warning | PSR | 3 hr |
| Sep 27, 3:13 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 27, 4:29 PM PDT | Areal Flood Advisory | SGX | 115 min |
| Sep 27, 4:42 PM PDT | Areal Flood Advisory | SGX | 108 min |
| Sep 27, 4:58 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Sep 27, 5:22 PM PDT | Special Weather Statement | PSR | 38 min |
| Sep 27, 5:57 PM PDT | Areal Flood Advisory | PSR | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 8 |
| Flood Watch | 5 |
| Areal Flood Advisory | 14 |
| Wind and dust | |
| Wind Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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. Warning verification from the Mesonet's Cow. Rebuilt daily.