Alert archive / California / Winter Storm Watches
Winter Storm Watches in California, 2017
54 winter storm watches in 2017. 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 2017. Tap one for its archive.
- Winter Storm Watches
- 54
- Busiest month
- January19 winter storm watches
- Busiest day
- February 15, 20175 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 2, 3:48 AM PST | Winter Storm Watch | MFR | Siskiyou | 10 hr |
| Jan 4, 1:39 PM PST | Winter Storm Watch | STO | 302 days | |
| Jan 6, 3:12 AM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 12 hr |
| Jan 6, 3:24 AM PST | Winter Storm Watch | EKA | Del Norte, Humboldt, Mendocino, Trinity | 9 hr |
| Jan 8, 2:42 AM PST | Winter Storm Watch | MFR | Siskiyou | 11 hr |
| Jan 8, 3:30 AM PST | Winter Storm Watch | STO | 310 days | |
| Jan 8, 2:11 PM PST | Winter Storm Watch | MFR | Modoc | 12 hr |
| Jan 16, 2:03 PM PST | Winter Storm Watch | MFR | Siskiyou | 14 hr |
| Jan 16, 2:17 PM PST | Winter Storm Watch | STO | 25 hr | |
| Jan 17, 3:13 AM PST | Winter Storm Watch | EKA | 11 hr | |
| Jan 17, 9:52 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 16 hr |
| Jan 19, 12:17 AM PST | Winter Storm Watch | MFR | Siskiyou | 3 hr |
| Jan 19, 4:44 AM PST | Winter Storm Watch | EKA | Trinity | 9 hr |
| Jan 19, 10:21 AM PST | Winter Storm Watch | REV | Modoc | 43 hr |
| Jan 19, 2:42 PM PST | Winter Storm Watch | MFR | Siskiyou | 24 hr |
| Jan 20, 3:19 PM PST | Winter Storm Watch | EKA | Trinity | 23 hr |
| Jan 30, 12:43 PM PST | Winter Storm Watch | STO | 23 hr | |
| Jan 30, 1:31 PM PST | Winter Storm Watch | HNX | 24 hr | |
| Jan 30, 3:11 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 23 hr |
| Feb 1, 4:17 AM PST | Winter Storm Watch | MFR | Siskiyou | 10 hr |
| Feb 4, 12:25 PM PST | Winter Storm Watch | STO | 15 hr | |
| Feb 4, 12:54 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 15 hr |
| Feb 4, 1:03 PM PST | Winter Storm Watch | HNX | 15 hr | |
| Feb 14, 2:47 PM PST | Winter Storm Watch | STO | 22 hr | |
| Feb 15, 1:00 PM PST | Winter Storm Watch | HNX | 15 hr | |
| Feb 15, 1:16 PM PST | Winter Storm Watch | STO | 25 hr | |
| Feb 15, 1:43 PM PST | Winter Storm Watch | LOX | 24 hr | |
| Feb 15, 1:54 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 19 hr |
| Feb 15, 2:10 PM PST | Winter Storm Watch | VEF | Inyo | 24 hr |
| Feb 17, 1:52 PM PST | Winter Storm Watch | STO | 38 hr | |
| Feb 18, 3:30 PM PST | Winter Storm Watch | HNX | 13 hr | |
| Feb 22, 3:50 PM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 22 hr |
| Feb 23, 2:17 AM PST | Winter Storm Watch | EKA | Del Norte, Humboldt, Mendocino | 24 hr |
| Feb 25, 1:48 AM PST | Winter Storm Watch | EKA | Del Norte, Humboldt | 13 hr |
| Mar 2, 2:03 AM PST | Winter Storm Watch | HNX | 35 hr | |
| Mar 2, 2:33 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 30 hr |
| Mar 2, 2:44 AM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 3 days |
| Mar 2, 3:30 AM PST | Winter Storm Watch | STO | 33 hr | |
| Mar 2, 3:10 PM PST | Winter Storm Watch | EKA | Del Norte, Humboldt, Mendocino, Trinity | 25 hr |
| Mar 19, 12:48 PM PDT | Winter Storm Watch | STO | 15 hr | |
| Mar 23, 4:03 AM PDT | Winter Storm Watch | STO | 10 hr | |
| Apr 4, 1:45 PM PDT | Winter Storm Watch | STO | 38 hr | |
| Apr 4, 2:19 PM PDT | Winter Storm Watch | VEF | Inyo | 48 hr |
| Apr 4, 2:21 PM PDT | Winter Storm Watch | HNX | 45 hr | |
| Apr 4, 3:14 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 44 hr |
| Apr 6, 2:21 AM PDT | Winter Storm Watch | MFR | Siskiyou | 12 hr |
| Apr 6, 4:08 AM PDT | Winter Storm Watch | EKA | Del Norte, Humboldt | 24 hr |
| Oct 31, 2:44 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 47 hr |
| Nov 1, 1:27 PM PDT | Winter Storm Watch | HNX | 38 hr | |
| Nov 12, 3:30 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 47 hr |
| Nov 13, 12:36 PM PST | Winter Storm Watch | HNX | 25 hr | |
| Nov 14, 2:38 AM PST | Winter Storm Watch | VEF | Inyo | 25 hr |
| Nov 14, 3:54 AM PST | Winter Storm Watch | MFR | Siskiyou | 10 hr |
| Dec 17, 2:58 PM PST | Winter Storm Watch | MFR | Siskiyou | 25 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 archive20162018
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.