Alert archive / California / Mesoscale Discussions

Mesoscale Discussions in California, 2005

36 mesoscale discussions in 2005. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2005. Tap one for its archive.

Mesoscale Discussions
36
Busiest month
February13 mesoscale discussions
Busiest day
February 21, 20054 mesoscale discussions

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, 10:25 AM PSTMesoscale DiscussionSPCKern, San Diego, Tulare5 hr
Jan 7, 5:01 AM PSTMesoscale DiscussionSPCAlpine, Mariposa, Nevada, Plumas, Shasta, Sierra and 2 more5 hr
Jan 7, 10:25 AM PSTMesoscale DiscussionSPCAlpine, El Dorado, Fresno, Kern, Madera, Mariposa and 11 more4 hr
Jan 9, 10:27 AM PSTMesoscale DiscussionSPCAlpine, El Dorado, Madera, Mariposa, Tuolumne4 hr
Jan 9, 3:47 PM PSTMesoscale DiscussionSPCOrange88 min
Jan 10, 6:41 AM PSTMesoscale DiscussionSPCOrange, Ventura64 min
Jan 10, 4:23 PM PSTMesoscale DiscussionSPCAlpine, Nevada, Plumas, Sierra, Siskiyou, Trinity and 1 more4 hr
Jan 27, 4:59 PM PSTMesoscale DiscussionSPCSiskiyou, Trinity4 hr
Feb 18, 12:28 PM PSTMesoscale DiscussionSPCAlameda, Kings, Merced, Monterey, San Benito, San Joaquin and 2 more2 hr
Feb 19, 4:53 AM PSTMesoscale DiscussionSPCOrange2 hr
Feb 19, 3:22 PM PSTMesoscale DiscussionSPCImperial83 min
Feb 21, 2:10 AM PSTMesoscale DiscussionSPCOrange3 hr
Feb 21, 6:38 AM PSTMesoscale DiscussionSPCLos Angeles, Orange, San Diego, Ventura2 hr
Feb 21, 12:48 PM PSTMesoscale DiscussionSPCLos Angeles, Orange, Ventura87 min
Feb 21, 1:53 PM PSTMesoscale DiscussionSPCAlameda, Amador, Calaveras, Contra Costa, Fresno, Kings and 18 more2 hr
Feb 21, 9:29 PM PSTMesoscale DiscussionSPCLos Angeles, Orange, San Diego, Ventura61 min
Feb 22, 10:12 AM PSTMesoscale DiscussionSPCLos Angeles, Orange, San Diego, Ventura2 hr
Feb 22, 10:55 AM PSTMesoscale DiscussionSPCRiverside2 hr
Feb 22, 1:20 PM PSTMesoscale DiscussionSPCLos Angeles, Orange, San Diego, Ventura115 min
Feb 22, 4:28 PM PSTMesoscale DiscussionSPCLos Angeles, Orange, San Diego, Ventura2 hr
Feb 23, 9:49 AM PSTMesoscale DiscussionSPCImperial, Riverside116 min
Mar 4, 3:55 PM PSTMesoscale DiscussionSPCKern, Kings, Los Angeles, Orange, San Diego, San Luis Obispo and 3 more65 min
Mar 22, 2:11 PM PSTMesoscale DiscussionSPCFresno, Kings, Madera, Mariposa, Merced, San Benito2 hr
Apr 8, 2:50 PM PDTMesoscale DiscussionSPCAmador, Butte, Calaveras, Colusa, Glenn, Sacramento and 6 more55 min
May 5, 1:29 PM PDTMesoscale DiscussionSPCInyo91 min
May 9, 11:22 AM PDTMesoscale DiscussionSPCAmador, Butte, Calaveras, Colusa, Contra Costa, Fresno and 15 more113 min
Jul 20, 3:56 PM PDTMesoscale DiscussionSPCRiverside3 hr
Jul 30, 12:12 PM PDTMesoscale DiscussionSPCImperial, Riverside, San Bernardino, San Diego3 hr
Aug 9, 11:50 AM PDTMesoscale DiscussionSPCImperial, Riverside, San Bernardino85 min
Aug 15, 3:08 PM PDTMesoscale DiscussionSPCInyo, Kern, San Bernardino, Tulare2 hr
Sep 20, 4:36 PM PDTMesoscale DiscussionSPCAmador, Calaveras, Fresno, Kings, Madera, Mariposa and 3 more54 min
Oct 16, 3:04 PM PDTMesoscale DiscussionSPCImperial, Riverside3 hr
Nov 28, 4:51 AM PSTMesoscale DiscussionSPCShasta, Siskiyou, Trinity5 hr
Dec 18, 12:14 AM PSTMesoscale DiscussionSPCAlpine, Plumas, Sierra, Tuolumne6 hr
Dec 31, 9:55 AM PSTMesoscale DiscussionSPCAmador, Butte, Calaveras, Colusa, El Dorado, Glenn and 8 more2 hr
Dec 31, 10:32 AM PSTMesoscale DiscussionSPCAlpine, El Dorado, Nevada, Placer, Tuolumne5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

11 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 21, 20054mesoscale discussions
  2. February 22, 20054mesoscale discussions
  3. January 7, 20052mesoscale discussions
  4. January 9, 20052mesoscale discussions
  5. February 19, 20052mesoscale discussions
  6. February 23, 20052mesoscale discussions
  7. December 31, 20052mesoscale discussions
  8. January 3, 20051mesoscale discussions
  9. January 10, 20051mesoscale discussions
  10. January 11, 20051mesoscale discussions
  11. January 28, 20051mesoscale discussions
  12. February 18, 20051mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20042006

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.