Alert archive / California / Freeze Warnings

Freeze Warnings in California, 2009

32 freeze warnings in 2009. 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 2009. Tap one for its archive.

Freeze Warnings
32
Busiest month
December15 freeze warnings
Busiest day
December 8, 20095 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.

IssuedProductOfficeCountiesLasted
Jan 3, 2:49 AM PSTFreeze WarningMTRMarin, Napa, Sonoma29 hr
Jan 4, 8:20 AM PSTFreeze WarningMTRMarin, Napa, Santa Clara, Sonoma80 min
Mar 9, 1:17 PM PDTFreeze WarningMTRMarin, Monterey, Napa, San Benito, Sonoma15 hr
Mar 9, 2:41 PM PDTFreeze WarningEKA19 hr
Mar 23, 3:45 AM PDTFreeze WarningEKA5 hr
Apr 3, 2:29 AM PDTFreeze WarningEKA30 hr
Apr 4, 3:19 PM PDTFreeze WarningLOXSanta Barbara18 hr
Apr 13, 4:10 AM PDTFreeze WarningEKA29 hr
Apr 14, 3:01 PM PDTFreeze WarningEKA18 hr
Sep 29, 2:31 AM PDTFreeze WarningMFRModoc, Siskiyou30 hr
Sep 30, 9:50 AM PDTFreeze WarningMFRModoc, Siskiyou23 hr
Oct 5, 1:22 PM PDTFreeze WarningMFRSiskiyou19 hr
Oct 28, 3:01 AM PDTFreeze WarningLOXSanta Barbara29 hr
Oct 28, 10:09 AM PDTFreeze WarningHNX20 hr
Nov 14, 1:33 PM PSTFreeze WarningHNX19 hr
Nov 14, 2:29 PM PSTFreeze WarningLOX17 hr
Nov 15, 2:15 PM PSTFreeze WarningLOXSanta Barbara18 hr
Dec 3, 4:03 AM PSTFreeze WarningVEFSan Bernardino28 hr
Dec 3, 4:03 AM PSTFreeze WarningVEFSan Bernardino50 hr
Dec 7, 3:08 AM PSTFreeze WarningHNX30 hr
Dec 7, 3:08 AM PSTFreeze WarningHNX54 hr
Dec 7, 3:55 AM PSTFreeze WarningSTO29 hr
Dec 7, 4:09 AM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more29 hr
Dec 7, 9:53 PM PSTFreeze WarningLOX10 hr
Dec 8, 3:30 AM PSTFreeze WarningSTO30 hr
Dec 8, 9:47 AM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more23 hr
Dec 8, 2:22 PM PSTFreeze WarningLOX14 hr
Dec 8, 2:35 PM PSTFreeze WarningHNX36 hr
Dec 9, 11:52 AM PSTFreeze WarningMTRMarin, Napa, Sonoma15 hr
Dec 9, 1:43 PM PSTFreeze WarningSTO20 hr
Dec 22, 11:09 AM PSTFreeze WarningHNX10 hr
Dec 22, 11:09 AM PSTFreeze WarningHNX45 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 8, 20095freeze warnings
  2. December 7, 20094freeze warnings
  3. March 9, 20092freeze warnings
  4. October 28, 20092freeze warnings
  5. November 14, 20092freeze warnings
  6. December 3, 20092freeze warnings
  7. December 9, 20092freeze warnings
  8. December 22, 20092freeze warnings
  9. January 3, 20091freeze warnings
  10. January 4, 20091freeze warnings
  11. March 23, 20091freeze warnings
  12. April 3, 20091freeze warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.