Alert archive / California

Weather alerts in California, 2026

2,414 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
2,414
Warnings
566
Watches
172
Advisories
1,117
Busiest month
February523 alerts
Busiest day
February 16, 202699 alerts

Over time

By month

The alerts

2,414 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning114
Tornado Warning9
Mesoscale Discussion11
Special Weather Statement491
Flooding
Areal Flood Warning10
Flash Flood Warning43
River Flood Warning11
Flood Watch11
River Flood Watch3
Areal Flood Advisory237
River Flood Advisory2
Winter
Winter Storm Warning22
Winter Storm Watch20
Winter Weather Advisory35
Heat
Extreme Heat Warning35
Extreme Heat Watch23
Heat Advisory64
Cold
Extreme Cold Warning6
Freeze Warning21
Extreme Cold Watch1
Freeze Watch6
Cold Weather Advisory20
Frost Advisory29
Wind and dust
Dust Storm Warning9
High Wind Warning22
High Wind Watch15
Dust Storm Advisory8
Lake Wind Advisory50
Wind Advisory182
Fire
Red Flag Warning49
Fire Weather Watch30
Fog and smoke
Dense Fog Advisory66
Freezing Fog Advisory7
Coast and beach
Coastal Flood Warning5
Coastal Flood Advisory39
High Surf Advisory27
Beach Hazards Statement57
Marine
Gale Warning88
Hazardous Seas Warning20
Special Marine Warning98
Storm Warning4
Gale Watch55
Hazardous Seas Watch5
Storm Watch3
Marine Dense Fog Advisory3
Small Craft Advisory348

By county

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

18 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 16, 202699alerts
  2. February 17, 202688alerts
  3. February 18, 202685alerts
  4. January 3, 202669alerts
  5. August 11, 202667alerts
  6. April 10, 202663alerts
  7. January 4, 202654alerts
  8. August 12, 202648alerts
  9. January 1, 202641alerts
  10. April 9, 202639alerts
  11. April 12, 202639alerts
  12. January 5, 202637alerts

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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. Rebuilt daily.