Alert archive / California / Riverside County / 2021
Weather alerts in Riverside County, California, August 2021
54 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 54
- Warnings
- 23
- Watches
- 7
- Advisories
- 19
- Busiest day
- August 11, 202111 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 |
|---|---|---|---|
| Jul 31, 5:50 PM PDT | Areal Flood Advisory | SGX | 2 hr |
| Aug 1, 12:50 PM PDT | Excessive Heat Watch | SGX | 23 hr |
| Aug 1, 12:50 PM PDT | Heat Advisory | SGX | 4 days |
| Aug 1, 1:31 PM PDT | Excessive Heat Watch | PSR | 24 hr |
| Aug 2, 11:38 AM PDT | Excessive Heat Warning | SGX | 3 days |
| Aug 2, 1:45 PM PDT | Excessive Heat Warning | PSR | 3 days |
| Aug 9, 1:34 PM PDT | Flash Flood Watch | SGX | 54 hr |
| Aug 9, 1:44 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Aug 9, 2:21 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Aug 9, 2:38 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Aug 9, 3:26 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Aug 9, 5:06 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Aug 9, 6:09 PM PDT | Areal Flood Advisory | PSR | 115 min |
| Aug 10, 1:53 PM PDT | Areal Flood Advisory | SGX | 101 min |
| Aug 10, 3:11 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Aug 10, 6:30 PM PDT | Severe Thunderstorm Warning | PSR | 45 min |
| Aug 10, 7:15 PM PDT | Dust Storm Warning | PSR | 60 min |
| Aug 10, 7:26 PM PDT | Severe Thunderstorm Warning | PSR | 49 min |
| Aug 10, 7:33 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Aug 10, 8:18 PM PDT | Severe Thunderstorm Warning | PSR | 57 min |
| Aug 10, 8:38 PM PDT | Dust Storm Warning | PSR | 52 min |
| Aug 10, 9:08 PM PDT | Flash Flood Warning | PSR | 6 hr |
| Aug 10, 9:33 PM PDT | Dust Storm Warning | SGX | 57 min |
| Aug 10, 9:54 PM PDT | Flash Flood Warning | PSR | 86 min |
| Aug 10, 10:26 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Aug 10, 11:27 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Aug 13, 11:05 PM PDT | Dust Storm Warning | PSR | 55 min |
| Aug 16, 3:08 AM PDT | Dust Storm Advisory | PSR | 2 hr |
| Aug 23, 12:32 PM PDT | Excessive Heat Watch | SGX | 25 hr |
| Aug 23, 1:37 PM PDT | Excessive Heat Watch | PSR | 24 hr |
| Aug 24, 1:20 PM PDT | Excessive Heat Warning | PSR | 5 days |
| Aug 24, 1:30 PM PDT | Excessive Heat Warning | SGX | 5 days |
| Aug 24, 1:30 PM PDT | Heat Advisory | SGX | 5 days |
| Aug 29, 12:49 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Aug 29, 1:14 PM PDT | Special Weather Statement | PSR | 31 min |
| Aug 29, 1:18 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Aug 29, 3:30 PM PDT | Special Weather Statement | PSR | 30 min |
| Aug 29, 4:01 PM PDT | Special Weather Statement | PSR | 29 min |
| Aug 29, 4:29 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Aug 30, 1:43 AM PDT | Flash Flood Watch | PSR | 3 days |
| Aug 30, 2:38 AM PDT | Flash Flood Watch | SGX | 42 hr |
| Aug 30, 1:17 PM PDT | Areal Flood Advisory | SGX | 118 min |
| Aug 30, 2:22 PM PDT | Areal Flood Advisory | SGX | 113 min |
| Aug 30, 3:47 PM PDT | Dust Storm Advisory | PSR | 58 min |
| Aug 30, 4:56 PM PDT | Dust Storm Advisory | PSR | 94 min |
| Aug 30, 5:14 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 7:37 PM PDT | Special Weather Statement | PSR | 23 min |
| Aug 30, 7:52 PM PDT | Areal Flood Advisory | PSR | 23 min |
| Aug 30, 7:58 PM PDT | Special Weather Statement | SGX | 47 min |
| Aug 30, 8:13 PM PDT | Flash Flood Warning | PSR | 50 min |
| Aug 30, 8:18 PM PDT | Flash Flood Warning | SGX | 37 min |
| Aug 30, 9:06 PM PDT | Flash Flood Warning | PSR | 5 hr |
| Aug 31, 1:13 PM PDT | Areal Flood Advisory | PSR | 6 hr |
| Aug 31, 1:24 PM PDT | Flash Flood Warning | PSR | 13 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 | 3 |
| Special Weather Statement | 5 |
| Flooding | |
| Flash Flood Warning | 12 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 14 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 4 |
| Heat Advisory | 2 |
| Wind and dust | |
| Dust Storm Warning | 4 |
| Dust Storm Advisory | 3 |
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.