Alert archive / California / Riverside County / 2020
Weather alerts in Riverside County, California, September 2020
17 weather alerts in September 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 8
- Watches
- 5
- Advisories
- 4
- Busiest day
- September 6, 20203 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 1, 2:23 AM PDT | Excessive Heat Watch | PSR | 35 hr |
| Sep 1, 2:44 AM PDT | Excessive Heat Watch | SGX | 33 hr |
| Sep 2, 12:12 PM PDT | Excessive Heat Warning | SGX | 5 days |
| Sep 2, 1:33 PM PDT | Excessive Heat Warning | PSR | 5 days |
| Sep 3, 1:16 PM PDT | Fire Weather Watch | SGX | 21 hr |
| Sep 4, 10:15 AM PDT | Red Flag Warning | SGX | 56 hr |
| Sep 6, 2:09 PM PDT | Fire Weather Watch | SGX | 23 hr |
| Sep 6, 2:44 PM PDT | Red Flag Warning | PSR | 57 hr |
| Sep 6, 2:44 PM PDT | Wind Advisory | PSR | 55 hr |
| Sep 7, 1:09 PM PDT | Red Flag Warning | SGX | 55 hr |
| Sep 8, 11:58 AM PDT | Blowing Dust Advisory | PSR | 4 hr |
| Sep 9, 10:15 AM PDT | Red Flag Warning | PSR | 7 hr |
| Sep 25, 1:52 PM PDT | Fire Weather Watch | SGX | 47 hr |
| Sep 27, 1:03 PM PDT | Red Flag Warning | SGX | 52 hr |
| Sep 27, 1:10 PM PDT | Heat Advisory | SGX | 4 days |
| Sep 30, 1:30 PM PDT | Excessive Heat Warning | SGX | 55 hr |
| Sep 30, 1:30 PM PDT | Heat Advisory | SGX | 55 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 2 |
| Wind and dust | |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.