Alert archive / California / Winter Storm Watches
Winter Storm Watches in California, 2012
71 winter storm watches in 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm watches reaches back to 2005.
Winter Storm Watches by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Winter Storm Watches
- 71
- Busiest month
- March22 winter storm watches
- Busiest day
- March 14, 20126 winter storm watches
Over time
By month
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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 3:35 AM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 37 hr |
| Jan 17, 1:15 PM PST | Winter Storm Watch | HNX | 49 hr | |
| Jan 18, 2:06 PM PST | Winter Storm Watch | VEF | Inyo | 24 hr |
| Jan 18, 3:38 PM PST | Winter Storm Watch | STO | 24 hr | |
| Jan 18, 4:00 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 23 hr |
| Jan 19, 3:57 AM PST | Winter Storm Watch | MFR | Siskiyou | 25 hr |
| Jan 20, 3:28 PM PST | Winter Storm Watch | EKA | 23 hr | |
| Jan 20, 3:43 PM PST | Winter Storm Watch | MFR | Siskiyou | 24 hr |
| Jan 21, 1:56 PM PST | Winter Storm Watch | HNX | 14 hr | |
| Jan 21, 2:33 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 15 hr |
| Jan 21, 3:30 PM PST | Winter Storm Watch | STO | 12 hr | |
| Jan 21, 3:42 PM PST | Winter Storm Watch | VEF | Inyo | 12 hr |
| Jan 21, 9:01 PM PST | Winter Storm Watch | LOX | 8 hr | |
| Jan 22, 1:45 AM PST | Winter Storm Watch | SGX | San Bernardino | 13 hr |
| Feb 11, 3:01 PM PST | Winter Storm Watch | MFR | Siskiyou | 14 hr |
| Feb 14, 1:32 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 13 hr |
| Feb 25, 12:56 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 14 hr |
| Feb 26, 4:09 AM PST | Winter Storm Watch | EKA | 36 hr | |
| Feb 26, 2:39 PM PST | Winter Storm Watch | STO | 37 hr | |
| Feb 26, 2:47 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 24 hr |
| Feb 27, 3:59 AM PST | Winter Storm Watch | MFR | Siskiyou | 9 hr |
| Mar 10, 2:30 PM PST | Winter Storm Watch | STO | 24 hr | |
| Mar 11, 4:24 AM PDT | Winter Storm Watch | MFR | Siskiyou | 12 hr |
| Mar 11, 4:50 AM PDT | Winter Storm Watch | EKA | 23 hr | |
| Mar 11, 3:53 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Nevada, Placer | 24 hr |
| Mar 14, 2:57 AM PDT | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 48 hr |
| Mar 14, 2:02 PM PDT | Winter Storm Watch | HNX | 22 hr | |
| Mar 14, 2:26 PM PDT | Winter Storm Watch | MFR | Siskiyou | 24 hr |
| Mar 14, 2:35 PM PDT | Winter Storm Watch | VEF | Inyo | 24 hr |
| Mar 14, 3:20 PM PDT | Winter Storm Watch | STO | 24 hr | |
| Mar 14, 3:29 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 24 hr |
| Mar 15, 1:58 PM PDT | Winter Storm Watch | LOX | 25 hr | |
| Mar 16, 2:26 AM PDT | Winter Storm Watch | HNX | 13 hr | |
| Mar 20, 2:30 PM PDT | Winter Storm Watch | MFR | Siskiyou | 24 hr |
| Mar 22, 2:46 PM PDT | Winter Storm Watch | MFR | Siskiyou | 23 hr |
| Mar 23, 2:12 PM PDT | Winter Storm Watch | LOX | 13 hr | |
| Mar 23, 8:55 PM PDT | Winter Storm Watch | HNX | 18 hr | |
| Mar 24, 3:40 AM PDT | Winter Storm Watch | VEF | Inyo | 12 hr |
| Mar 25, 2:42 PM PDT | Winter Storm Watch | MFR | Siskiyou | 21 hr |
| Mar 26, 3:35 AM PDT | Winter Storm Watch | STO | 10 hr | |
| Mar 29, 3:15 AM PDT | Winter Storm Watch | STO | 36 hr | |
| Mar 29, 4:14 AM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 35 hr |
| Mar 30, 3:51 AM PDT | Winter Storm Watch | MFR | Siskiyou | 10 hr |
| Apr 9, 1:53 PM PDT | Winter Storm Watch | HNX | 25 hr | |
| Apr 10, 2:17 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 38 hr |
| Apr 11, 3:16 AM PDT | Winter Storm Watch | MFR | Siskiyou | 12 hr |
| Apr 11, 3:58 AM PDT | Winter Storm Watch | STO | 16 hr | |
| Apr 11, 6:47 PM PDT | Winter Storm Watch | HNX | 11 hr | |
| Apr 12, 2:40 AM PDT | Winter Storm Watch | SGX | Riverside, San Bernardino | 7 hr |
| Apr 12, 2:57 AM PDT | Winter Storm Watch | HNX | 7 hr | |
| Apr 12, 4:32 AM PDT | Winter Storm Watch | VEF | Inyo | 11 hr |
| Apr 12, 9:25 AM PDT | Winter Storm Watch | SGX | San Diego | 4 hr |
| Oct 19, 12:45 PM PDT | Winter Storm Watch | STO | 40 hr | |
| Oct 19, 2:28 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 37 hr |
| Oct 20, 3:18 PM PDT | Winter Storm Watch | MFR | Siskiyou | 11 hr |
| Nov 8, 4:27 AM PST | Winter Storm Watch | SGX | San Diego | 23 hr |
| Nov 16, 3:17 AM PST | Winter Storm Watch | STO | 11 hr | |
| Dec 15, 1:56 PM PST | Winter Storm Watch | HNX | 23 hr | |
| Dec 15, 2:45 PM PST | Winter Storm Watch | STO | 13 hr | |
| Dec 17, 3:14 PM PST | Winter Storm Watch | EKA | 35 hr | |
| Dec 18, 4:03 AM PST | Winter Storm Watch | MFR | Siskiyou | 10 hr |
| Dec 18, 7:38 AM PST | Winter Storm Watch | STO | 50 hr | |
| Dec 18, 2:44 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 37 hr |
| Dec 18, 3:54 PM PST | Winter Storm Watch | HNX | 36 hr | |
| Dec 20, 3:41 AM PST | Winter Storm Watch | REV | Modoc | 35 hr |
| Dec 21, 3:11 AM PST | Winter Storm Watch | MFR | Siskiyou | 6 hr |
| Dec 21, 3:11 AM PST | Winter Storm Watch | MFR | Siskiyou | 11 hr |
| Dec 21, 2:24 PM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 12 hr |
| Dec 23, 4:20 PM PST | Winter Storm Watch | MFR | Siskiyou | 22 hr |
| Dec 24, 4:00 AM PST | Winter Storm Watch | STO | 24 hr | |
| Dec 24, 4:20 AM PST | Winter Storm Watch | EKA | 10 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe 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.