Alert archive / California / Frost Advisories

Frost Advisories in California, 2015

95 frost advisories in 2015. 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 2015. Tap one for its archive.

Frost Advisories: 95
Busiest month: November33 frost advisories
Busiest day: January 1, 20153 frost advisories

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, 10:32 PM PST	Frost Advisory	LOX		10 hr
Jan 1, 8:47 AM PST	Frost Advisory	LOX		24 hr
Jan 1, 1:41 PM PST	Frost Advisory	MTR	Alameda, Contra Costa, San Mateo, Santa Clara	19 hr
Jan 2, 10:42 AM PST	Frost Advisory	MTR	Alameda, Contra Costa, San Mateo, Santa Clara	22 hr
Jan 2, 1:26 PM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Jan 2, 4:29 PM PST	Frost Advisory	LOX	Los Angeles	17 hr
Jan 14, 8:12 PM PST	Frost Advisory	LOX		12 hr
Feb 23, 3:29 PM PST	Frost Advisory	STO		18 hr
Feb 28, 2:51 AM PST	Frost Advisory	EKA		30 hr
Mar 1, 3:18 PM PST	Frost Advisory	EKA		13 hr
Mar 2, 12:59 PM PST	Frost Advisory	EKA		19 hr
Mar 3, 2:53 AM PST	Frost Advisory	EKA		28 hr
Mar 4, 3:00 PM PST	Frost Advisory	EKA		17 hr
Mar 5, 3:07 PM PST	Frost Advisory	EKA		17 hr
Mar 6, 3:05 PM PST	Frost Advisory	EKA		16 hr
Mar 7, 3:37 PM PST	Frost Advisory	EKA		15 hr
Mar 17, 3:11 PM PDT	Frost Advisory	EKA		18 hr
Mar 18, 4:56 PM PDT	Frost Advisory	EKA		15 hr
Mar 31, 2:53 PM PDT	Frost Advisory	EKA		17 hr
Apr 1, 7:27 AM PDT	Frost Advisory	EKA		24 hr
Apr 1, 7:53 PM PDT	Frost Advisory	MTR	Monterey, San Benito	12 hr
Apr 2, 1:55 PM PDT	Frost Advisory	MTR	Marin, Monterey, Napa, San Benito, Sonoma	15 hr
Apr 2, 2:37 PM PDT	Frost Advisory	EKA		17 hr
Apr 2, 6:25 PM PDT	Frost Advisory	EKA		10 hr
Apr 11, 3:48 AM PDT	Frost Advisory	EKA		28 hr
Apr 13, 3:43 AM PDT	Frost Advisory	EKA		28 hr
Apr 14, 3:52 AM PDT	Frost Advisory	EKA		28 hr
Apr 16, 1:57 AM PDT	Frost Advisory	EKA		6 hr
Apr 16, 10:25 PM PDT	Frost Advisory	EKA		10 hr
May 5, 12:35 PM PDT	Frost Advisory	EKA		19 hr
May 6, 1:30 PM PDT	Frost Advisory	MFR	Siskiyou	19 hr
May 6, 3:16 PM PDT	Frost Advisory	EKA		17 hr
May 8, 3:30 AM PDT	Frost Advisory	EKA		5 hr
May 8, 2:37 PM PDT	Frost Advisory	EKA		17 hr
Sep 3, 3:54 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	15 hr
Sep 4, 3:22 AM PDT	Frost Advisory	EKA		30 hr
Sep 4, 5:04 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	15 hr
Sep 5, 4:57 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	15 hr
Sep 6, 3:01 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	18 hr
Sep 17, 1:52 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	18 hr
Sep 18, 2:04 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	18 hr
Sep 29, 8:56 PM PDT	Frost Advisory	MFR	Modoc, Siskiyou	12 hr
Oct 22, 3:02 AM PDT	Frost Advisory	MFR	Siskiyou	29 hr
Oct 22, 11:23 PM PDT	Frost Advisory	EKA		10 hr
Oct 26, 5:42 AM PDT	Frost Advisory	MFR	Siskiyou	21 hr
Oct 28, 11:50 PM PDT	Frost Advisory	EKA		8 hr
Nov 2, 3:36 AM PST	Frost Advisory	EKA		28 hr
Nov 2, 2:21 PM PST	Frost Advisory	MFR	Siskiyou	18 hr
Nov 3, 2:39 PM PST	Frost Advisory	EKA		17 hr
Nov 3, 2:51 PM PST	Frost Advisory	MFR	Siskiyou	18 hr
Nov 3, 10:03 PM PST	Frost Advisory	LOX		10 hr
Nov 4, 1:27 PM PST	Frost Advisory	MTR	Marin, Monterey, Napa, San Benito, Sonoma	19 hr
Nov 4, 2:07 PM PST	Frost Advisory	LOX	Santa Barbara	19 hr
Nov 4, 7:18 PM PST	Frost Advisory	EKA		13 hr
Nov 5, 1:02 PM PST	Frost Advisory	SGX	San Bernardino	18 hr
Nov 5, 2:54 PM PST	Frost Advisory	EKA		17 hr
Nov 5, 8:20 PM PST	Frost Advisory	LOX	Santa Barbara	12 hr
Nov 6, 2:05 PM PST	Frost Advisory	LOX		18 hr
Nov 6, 2:45 PM PST	Frost Advisory	EKA		17 hr
Nov 9, 3:30 AM PST	Frost Advisory	STO		17 hr
Nov 9, 3:58 PM PST	Frost Advisory	EKA		17 hr
Nov 10, 2:36 AM PST	Frost Advisory	MTR	Marin, Monterey, Napa, San Benito, Santa Clara, Sonoma	30 hr
Nov 10, 3:30 AM PST	Frost Advisory	STO		25 hr
Nov 10, 3:37 PM PST	Frost Advisory	EKA		16 hr
Nov 10, 8:01 PM PST	Frost Advisory	LOX		13 hr
Nov 11, 2:22 PM PST	Frost Advisory	MTR	Marin, Monterey, Napa, Sonoma	19 hr
Nov 11, 7:31 PM PST	Frost Advisory	LOX		13 hr
Nov 12, 11:30 PM PST	Frost Advisory	EKA		9 hr
Nov 15, 3:51 PM PST	Frost Advisory	EKA		16 hr
Nov 24, 10:27 PM PST	Frost Advisory	EKA		10 hr
Nov 26, 1:53 PM PST	Frost Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, San Mateo, Santa Clara and 2 more	19 hr
Nov 26, 1:53 PM PST	Frost Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, San Mateo, Santa Clara and 2 more	43 hr
Nov 26, 2:12 PM PST	Frost Advisory	LOX		14 hr
Nov 27, 12:07 PM PST	Frost Advisory	LOX		20 hr
Nov 27, 12:20 PM PST	Frost Advisory	SGX	Riverside, San Diego	20 hr
Nov 28, 1:03 PM PST	Frost Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, San Mateo, Santa Clara and 2 more	20 hr
Nov 29, 4:34 AM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	51 hr
Nov 29, 10:42 PM PST	Frost Advisory	LOX		10 hr
Nov 30, 2:38 PM PST	Frost Advisory	LOX		18 hr
Dec 1, 1:55 PM PST	Frost Advisory	LOX		19 hr
Dec 14, 9:40 AM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	46 hr
Dec 14, 12:38 PM PST	Frost Advisory	LOX	Los Angeles	20 hr
Dec 15, 1:55 PM PST	Frost Advisory	LOX	Los Angeles	19 hr
Dec 16, 1:38 PM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	18 hr
Dec 16, 2:41 PM PST	Frost Advisory	LOX	Los Angeles	18 hr
Dec 17, 11:12 AM PST	Frost Advisory	LOX		22 hr
Dec 25, 1:05 PM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Dec 26, 3:18 AM PST	Frost Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	29 hr
Dec 27, 10:17 AM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	22 hr
Dec 27, 12:27 PM PST	Frost Advisory	LOX	Los Angeles	21 hr
Dec 28, 2:34 PM PST	Frost Advisory	LOX	Los Angeles	18 hr
Dec 29, 9:50 AM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	22 hr
Dec 29, 12:13 PM PST	Frost Advisory	LOX	Los Angeles	21 hr
Dec 30, 10:41 AM PST	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	21 hr
Dec 30, 1:42 PM PST	Frost Advisory	LOX		19 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 now Tornadoes on record The radar archive 2014 2016

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.