Alert archive / California / Freeze Watches

Freeze Watches in California, 2021

30 freeze watches in 2021. 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 watches reaches back to 2005.

Freeze Watches by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Freeze Watches
30
Busiest month
December11 freeze watches
Busiest day
December 9, 20213 freeze 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.

IssuedProductOfficeCountiesLasted
Jan 24, 8:13 PM PSTFreeze WatchLOXLos Angeles18 hr
Mar 9, 2:09 PM PSTFreeze WatchEKAMendocino24 hr
Mar 15, 3:21 AM PDTFreeze WatchEKADel Norte, Humboldt, Mendocino10 hr
Mar 16, 9:08 AM PDTFreeze WatchEKALake, Mendocino4 hr
Mar 29, 3:51 AM PDTFreeze WatchEKALake, Mendocino11 hr
May 18, 2:54 PM PDTFreeze WatchREVLassen, Modoc, Plumas, Sierra36 hr
May 19, 4:00 AM PDTFreeze WatchEKAHumboldt, Trinity11 hr
Jun 5, 1:17 PM PDTFreeze WatchMFRModoc, Siskiyou24 hr
Sep 27, 3:01 AM PDTFreeze WatchMFRModoc, Siskiyou11 hr
Oct 8, 12:00 PM PDTFreeze WatchREVLassen, Modoc, Plumas, Sierra39 hr
Oct 9, 1:26 PM PDTFreeze WatchEKAHumboldt, Lake, Mendocino, Trinity16 hr
Oct 10, 2:32 AM PDTFreeze WatchMFRSiskiyou35 hr
Oct 10, 2:55 PM PDTFreeze WatchEKAHumboldt, Mendocino, Trinity23 hr
Oct 11, 4:11 AM PDTFreeze WatchLOX32 hr
Oct 12, 2:13 PM PDTFreeze WatchEKAHumboldt, Lake, Mendocino, Trinity24 hr
Nov 5, 2:54 AM PDTFreeze WatchEKAHumboldt, Lake, Mendocino25 hr
Nov 6, 3:28 AM PDTFreeze WatchEKAHumboldt, Lake, Mendocino25 hr
Nov 22, 2:04 PM PSTFreeze WatchEKADel Norte, Humboldt12 hr
Nov 23, 2:24 PM PSTFreeze WatchLOX8 hr
Dec 8, 2:39 AM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino25 hr
Dec 8, 10:24 AM PSTFreeze WatchHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more40 hr
Dec 9, 12:06 AM PSTFreeze WatchVEFSan Bernardino25 hr
Dec 9, 12:48 PM PSTFreeze WatchLOXSanta Barbara14 hr
Dec 9, 12:54 PM PSTFreeze WatchPSRImperial, Riverside, San Bernardino12 hr
Dec 10, 4:09 AM PSTFreeze WatchMTRMonterey10 hr
Dec 26, 4:27 AM PSTFreeze WatchSTO31 hr
Dec 26, 4:27 AM PSTFreeze WatchSTO23 hr
Dec 26, 2:50 PM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino20 hr
Dec 27, 2:35 AM PSTFreeze WatchLOXLos Angeles12 hr
Dec 28, 2:15 PM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino13 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.

  1. December 9, 20213freeze watches
  2. December 26, 20213freeze watches
  3. October 10, 20212freeze watches
  4. December 8, 20212freeze watches
  5. January 25, 20211freeze watches
  6. March 9, 20211freeze watches
  7. March 15, 20211freeze watches
  8. March 16, 20211freeze watches
  9. March 29, 20211freeze watches
  10. May 18, 20211freeze watches
  11. May 19, 20211freeze watches
  12. June 5, 20211freeze watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.