Alert archive / California / Freeze Warnings
Freeze Warnings in California, 2019
62 freeze warnings in 2019. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Freeze Warnings
- 62
- Busiest month
- October19 freeze warnings
- Busiest day
- October 29, 20195 freeze warnings
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 |
|---|---|---|---|---|
| Dec 31, 9:02 PM PST | Freeze Warning | MTR | Monterey, San Benito | 12 hr |
| Jan 1, 10:06 AM PST | Freeze Warning | LOX | 23 hr | |
| Jan 1, 12:20 PM PST | Freeze Warning | SGX | Riverside, San Bernardino, San Diego | 44 hr |
| Jan 1, 1:11 PM PST | Freeze Warning | MTR | Monterey, San Benito | 20 hr |
| Jan 2, 11:31 AM PST | Freeze Warning | LOX | 21 hr | |
| Feb 5, 3:11 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 6, 2:40 AM PST | Freeze Warning | LOX | 6 hr | |
| Feb 6, 2:45 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 6, 2:28 PM PST | Freeze Warning | SGX | Riverside, San Bernardino, San Diego | 19 hr |
| Feb 6, 4:50 PM PST | Freeze Warning | LOX | 16 hr | |
| Feb 10, 3:06 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 10, 2:22 PM PST | Freeze Warning | LOX | Los Angeles | 18 hr |
| Feb 11, 8:54 AM PST | Freeze Warning | HNX | 24 hr | |
| Feb 11, 8:08 PM PST | Freeze Warning | LOX | 12 hr | |
| Feb 18, 12:56 AM PST | Freeze Warning | HNX | 32 hr | |
| Feb 18, 2:06 PM PST | Freeze Warning | LOX | Los Angeles | 18 hr |
| Feb 19, 2:55 AM PST | Freeze Warning | PSR | Imperial, Riverside | 29 hr |
| Feb 21, 2:37 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 21, 1:11 PM PST | Freeze Warning | LOX | Los Angeles | 19 hr |
| Feb 21, 1:45 PM PST | Freeze Warning | SGX | Riverside, San Bernardino, San Diego | 19 hr |
| Feb 22, 12:25 PM PST | Freeze Warning | HNX | 21 hr | |
| Feb 28, 3:56 AM PST | Freeze Warning | EKA | Mendocino | 28 hr |
| Mar 7, 3:15 PM PST | Freeze Warning | EKA | Mendocino | 17 hr |
| Mar 10, 2:35 PM PDT | Freeze Warning | EKA | Mendocino | 18 hr |
| Mar 12, 2:56 AM PDT | Freeze Warning | EKA | Mendocino | 30 hr |
| Mar 13, 2:23 PM PDT | Freeze Warning | EKA | Mendocino | 19 hr |
| Apr 29, 3:18 PM PDT | Freeze Warning | REV | Lassen, Modoc, Plumas, Sierra | 42 hr |
| Jun 6, 3:22 AM PDT | Freeze Warning | MFR | Modoc, Siskiyou | 53 hr |
| Sep 28, 12:22 PM PDT | Freeze Warning | REV | Lassen, Plumas, Sierra | 21 hr |
| Sep 28, 2:43 PM PDT | Freeze Warning | VEF | 42 hr | |
| Sep 29, 2:56 PM PDT | Freeze Warning | MFR | Siskiyou | 18 hr |
| Sep 29, 3:04 PM PDT | Freeze Warning | REV | Mono | 18 hr |
| Sep 30, 2:57 AM PDT | Freeze Warning | EKA | Humboldt, Mendocino, Trinity | 29 hr |
| Sep 30, 2:45 PM PDT | Freeze Warning | MFR | Siskiyou | 18 hr |
| Oct 1, 3:08 PM PDT | Freeze Warning | MFR | Siskiyou | 18 hr |
| Oct 9, 3:04 AM PDT | Freeze Warning | EKA | Trinity | 30 hr |
| Oct 9, 4:47 AM PDT | Freeze Warning | MFR | Siskiyou | 28 hr |
| Oct 10, 1:10 PM PDT | Freeze Warning | EKA | Trinity | 20 hr |
| Oct 10, 2:24 PM PDT | Freeze Warning | LOX | 18 hr | |
| Oct 11, 11:24 AM PDT | Freeze Warning | LOX | 21 hr | |
| Oct 11, 1:05 PM PDT | Freeze Warning | EKA | Mendocino, Trinity | 21 hr |
| Oct 27, 12:06 PM PDT | Freeze Warning | LOX | 21 hr | |
| Oct 27, 2:34 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Mendocino | 12 hr |
| Oct 28, 1:57 PM PDT | Freeze Warning | EKA | Mendocino | 19 hr |
| Oct 29, 1:20 AM PDT | Freeze Warning | PSR | San Bernardino | 56 hr |
| Oct 29, 2:45 AM PDT | Freeze Warning | VEF | San Bernardino | 55 hr |
| Oct 29, 9:05 AM PDT | Freeze Warning | SGX | Riverside, San Bernardino, San Diego | 72 hr |
| Oct 29, 2:33 PM PDT | Freeze Warning | LOX | 19 hr | |
| Oct 29, 3:07 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Mendocino | 18 hr |
| Oct 30, 2:04 PM PDT | Freeze Warning | LOX | Santa Barbara | 43 hr |
| Oct 30, 2:06 PM PDT | Freeze Warning | MTR | Marin, Monterey, Napa, San Benito, Sonoma | 19 hr |
| Oct 30, 3:13 PM PDT | Freeze Warning | EKA | Mendocino | 18 hr |
| Oct 31, 12:53 PM PDT | Freeze Warning | MTR | Marin, Monterey, Napa, San Benito, Sonoma | 20 hr |
| Nov 1, 1:12 PM PDT | Freeze Warning | MTR | Monterey, San Benito | 20 hr |
| Nov 1, 2:11 PM PDT | Freeze Warning | LOX | Santa Barbara | 20 hr |
| Nov 25, 9:10 AM PST | Freeze Warning | HNX | 24 hr | |
| Nov 27, 4:08 AM PST | Freeze Warning | EKA | Del Norte, Humboldt, Mendocino | 29 hr |
| Nov 28, 2:51 AM PST | Freeze Warning | MTR | Marin, Napa, Sonoma | 30 hr |
| Nov 28, 1:02 PM PST | Freeze Warning | EKA | Del Norte, Humboldt, Mendocino | 20 hr |
| Nov 29, 2:32 PM PST | Freeze Warning | LOX | Los Angeles | 17 hr |
| Dec 16, 3:18 PM PST | Freeze Warning | LOX | 18 hr | |
| Dec 27, 1:31 PM PST | Freeze Warning | LOX | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mendocino County13
- San Bernardino County6
- Monterey County5
- San Benito County5
- Riverside County5
- Siskiyou County5
- Humboldt County5
- San Diego County4
- Los Angeles County4
- Trinity County4
- Del Norte County4
- Marin County3
- Napa County3
- Sonoma County3
- Lassen County2
- Modoc County2
- Plumas County2
- Sierra County2
- Santa Barbara County2
- Imperial County1
- Mono County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.