Alert archive / California / Riverside County / 2020
Weather alerts in Riverside County, California, December 2020
20 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 8
- Watches
- 6
- Advisories
- 6
- Busiest day
- December 1, 20202 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 |
|---|---|---|---|
| Dec 1, 12:11 PM PST | Red Flag Warning | SGX | 71 hr |
| Dec 1, 12:12 PM PST | High Wind Watch | SGX | 15 hr |
| Dec 2, 1:01 AM PST | Freeze Watch | PSR | 24 hr |
| Dec 2, 2:45 AM PST | High Wind Warning | SGX | 39 hr |
| Dec 3, 12:44 AM PST | Freeze Warning | PSR | 30 hr |
| Dec 3, 12:21 PM PST | Freeze Warning | PSR | 43 hr |
| Dec 4, 1:07 PM PST | Fire Weather Watch | SGX | 24 hr |
| Dec 5, 12:59 PM PST | Red Flag Warning | SGX | 3 days |
| Dec 6, 1:11 PM PST | High Wind Watch | SGX | 15 hr |
| Dec 7, 4:30 AM PST | High Wind Warning | SGX | 33 hr |
| Dec 12, 1:27 AM PST | Wind Advisory | SGX | 15 hr |
| Dec 21, 1:08 PM PST | Fire Weather Watch | SGX | 21 hr |
| Dec 22, 9:55 AM PST | Red Flag Warning | SGX | 50 hr |
| Dec 26, 3:10 AM PST | Winter Storm Watch | SGX | 24 hr |
| Dec 27, 3:08 AM PST | Winter Storm Warning | SGX | 48 hr |
| Dec 28, 1:22 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Dec 28, 1:17 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Dec 28, 4:08 PM PST | Areal Flood Advisory | SGX | 4 hr |
| Dec 28, 6:11 PM PST | Areal Flood Advisory | SGX | 4 hr |
| Dec 31, 2:53 AM PST | Wind Advisory | SGX | 33 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
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.