Alert archive / California / Frost Advisories / 2018
Frost Advisories in California, December 2018
13 frost advisories in December 2018. 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in December 2018. Tap one for its archive.
- Frost Advisories
- 13
- Busiest day
- December 28, 20183 frost advisories
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 | Counties | Lasted |
|---|---|---|---|---|
| Dec 2, 11:42 AM PST | Frost Advisory | EKA | Del Norte | 10 hr |
| Dec 2, 8:14 PM PST | Frost Advisory | LOX | 9 hr | |
| Dec 5, 2:56 PM PST | Frost Advisory | EKA | Del Norte, Humboldt | 18 hr |
| Dec 6, 2:15 PM PST | Frost Advisory | EKA | Del Norte, Humboldt | 19 hr |
| Dec 12, 8:28 PM PST | Frost Advisory | LOX | 13 hr | |
| Dec 21, 7:44 PM PST | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 12 hr |
| Dec 25, 2:52 AM PST | Frost Advisory | EKA | Humboldt, Mendocino | 30 hr |
| Dec 27, 11:28 AM PST | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 22 hr |
| Dec 27, 2:53 PM PST | Frost Advisory | LOX | 17 hr | |
| Dec 28, 12:13 PM PST | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 44 hr |
| Dec 28, 12:42 PM PST | Frost Advisory | LOX | Los Angeles | 19 hr |
| Dec 28, 3:08 PM PST | Frost Advisory | EKA | Humboldt, Mendocino | 18 hr |
| Dec 29, 3:07 PM PST | Frost Advisory | LOX | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.