Alert archive / California / Riverside County / 2012
Weather alerts in Riverside County, California, September 2012
31 weather alerts in September 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 31
- Warnings
- 5
- Watches
- 2
- Advisories
- 16
- Busiest day
- September 4, 20129 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, 3:52 PM PDT | Areal Flood Advisory | PSR | 79 min |
| Sep 3, 4:23 PM PDT | Flash Flood Warning | PSR | 112 min |
| Sep 3, 6:41 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 4, 1:45 PM PDT | Special Weather Statement | PSR | 45 min |
| Sep 4, 1:55 PM PDT | Flash Flood Warning | PSR | 95 min |
| Sep 4, 2:42 PM PDT | Areal Flood Advisory | PSR | 94 min |
| Sep 4, 2:54 PM PDT | Special Weather Statement | PSR | 66 min |
| Sep 4, 3:18 PM PDT | Areal Flood Advisory | PSR | 80 min |
| Sep 4, 3:57 PM PDT | Special Weather Statement | PSR | 78 min |
| Sep 4, 4:06 PM PDT | Areal Flood Advisory | SGX | 114 min |
| Sep 4, 4:57 PM PDT | Special Weather Statement | PSR | 48 min |
| Sep 4, 5:24 PM PDT | Areal Flood Advisory | PSR | 78 min |
| Sep 7, 2:31 PM PDT | Areal Flood Advisory | PSR | 119 min |
| Sep 8, 3:17 PM PDT | Areal Flood Advisory | SGX | 74 min |
| Sep 9, 2:44 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Sep 9, 7:01 PM PDT | Flash Flood Watch | SGX | 23 hr |
| Sep 9, 7:26 PM PDT | Blowing Dust Advisory | SGX | 3 hr |
| Sep 10, 12:21 PM PDT | Areal Flood Advisory | SGX | 119 min |
| Sep 10, 12:47 PM PDT | Mesoscale Discussion | SPC | 118 min |
| Sep 10, 1:17 PM PDT | Severe Thunderstorm Warning | SGX | 49 min |
| Sep 10, 2:11 PM PDT | Special Weather Statement | PSR | 49 min |
| Sep 10, 2:33 PM PDT | Severe Thunderstorm Warning | SGX | 50 min |
| Sep 10, 2:42 PM PDT | Areal Flood Advisory | PSR | 2 hr |
| Sep 11, 2:53 AM PDT | Areal Flood Advisory | SGX | 3 hr |
| Sep 11, 5:42 AM PDT | Areal Flood Advisory | SGX | 8 hr |
| Sep 11, 10:16 AM PDT | Areal Flood Advisory | PSR | 119 min |
| Sep 11, 2:07 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 11, 6:02 PM PDT | Special Weather Statement | PSR | 28 min |
| Sep 11, 11:14 PM PDT | Areal Flood Advisory | SGX | 76 min |
| Sep 27, 3:58 PM PDT | Special Weather Statement | PSR | 32 min |
| Sep 28, 5:35 PM PDT | Excessive Heat Watch | SGX | 11 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 | 2 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 15 |
| Heat | |
| Excessive Heat Watch | 1 |
| Wind and dust | |
| Blowing Dust Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.