Alert archive / California / Riverside County / 2021
Weather alerts in Riverside County, California, September 2021
35 weather alerts in September 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 35
- Warnings
- 15
- Watches
- 2
- Advisories
- 7
- Busiest day
- September 9, 202112 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 |
|---|---|---|---|
| Aug 31, 5:12 PM PDT | Flash Flood Warning | PSR | 6 hr |
| Aug 31, 5:17 PM PDT | Severe Thunderstorm Warning | SGX | 58 min |
| Aug 31, 5:44 PM PDT | Flash Flood Warning | SGX | 96 min |
| Aug 31, 5:58 PM PDT | Flash Flood Warning | PSR | 8 hr |
| Sep 3, 1:18 PM PDT | Heat Advisory | SGX | 9 days |
| Sep 6, 12:12 PM PDT | Excessive Heat Warning | PSR | 3 days |
| Sep 9, 1:21 PM PDT | Special Weather Statement | PSR | 24 min |
| Sep 9, 1:29 PM PDT | Severe Thunderstorm Warning | PSR | 46 min |
| Sep 9, 1:58 PM PDT | Special Weather Statement | PSR | 32 min |
| Sep 9, 2:00 PM PDT | Severe Thunderstorm Warning | PSR | 45 min |
| Sep 9, 2:31 PM PDT | Special Weather Statement | PSR | 29 min |
| Sep 9, 3:10 PM PDT | Severe Thunderstorm Warning | SGX | 50 min |
| Sep 9, 3:29 PM PDT | Flash Flood Warning | SGX | 2 hr |
| Sep 9, 3:42 PM PDT | Special Weather Statement | PSR | 33 min |
| Sep 9, 3:46 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Sep 9, 4:15 PM PDT | Special Weather Statement | PSR | 45 min |
| Sep 9, 4:33 PM PDT | Flash Flood Warning | SGX | 88 min |
| Sep 9, 4:35 PM PDT | Severe Thunderstorm Warning | SGX | 55 min |
| Sep 9, 5:14 PM PDT | Special Weather Statement | PSR | 31 min |
| Sep 9, 5:47 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Sep 9, 5:52 PM PDT | Special Weather Statement | PSR | 23 min |
| Sep 10, 2:19 AM PDT | Excessive Heat Warning | PSR | 4 days |
| Sep 10, 1:15 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Sep 10, 3:13 PM PDT | Areal Flood Advisory | SGX | 108 min |
| Sep 17, 2:40 PM PDT | Special Weather Statement | PSR | 50 min |
| Sep 17, 3:08 PM PDT | Severe Thunderstorm Warning | PSR | 52 min |
| Sep 17, 3:17 PM PDT | Areal Flood Advisory | PSR | 25 min |
| Sep 17, 3:33 PM PDT | Flash Flood Warning | PSR | 5 hr |
| Sep 17, 4:25 PM PDT | Special Weather Statement | PSR | 50 min |
| Sep 17, 5:41 PM PDT | Areal Flood Advisory | PSR | 2 hr |
| Sep 20, 12:33 PM PDT | Heat Advisory | SGX | 55 hr |
| Sep 23, 1:13 PM PDT | Special Weather Statement | PSR | 47 min |
| Sep 23, 2:48 PM PDT | Special Weather Statement | PSR | 42 min |
| Sep 24, 8:56 AM PDT | Flash Flood Watch | SGX | 10 hr |
| Sep 24, 9:03 AM PDT | Flash Flood Watch | PSR | 10 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 | 6 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 2 |
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.