Weather alerts in California, 2025

5,653 weather alerts in 2025, 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 2025. Tap one for its archive.

Alerts: 5,653
Warnings: 1,230
Watches: 371
Advisories: 2,157
Busiest month: August675 alerts
Busiest day: December 25, 2025165 alerts

Over time

By month

The alerts

5,653 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.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	217
Tornado Warning	10
Severe Thunderstorm Watch	1
Mesoscale Discussion	14
Special Weather Statement	1,802
Flooding
Areal Flood Warning	40
Flash Flood Warning	236
River Flood Warning	30
Flash Flood Watch	2
Flood Watch	78
River Flood Watch	5
Areal Flood Advisory	652
River Flood Advisory	3
Winter
Winter Storm Warning	65
Winter Storm Watch	54
Winter Weather Advisory	90
Heat
Extreme Heat Warning	25
Extreme Heat Watch	18
Heat Advisory	46
Cold
Extreme Cold Warning	1
Freeze Warning	47
Freeze Watch	17
Cold Weather Advisory	25
Frost Advisory	100
Wind and dust
Dust Storm Warning	2
High Wind Warning	68
High Wind Watch	49
Blowing Dust Advisory	4
Dust Storm Advisory	6
Lake Wind Advisory	33
Wind Advisory	327
Fire
Red Flag Warning	49
Fire Weather Watch	36
Fog and smoke
Dense Fog Advisory	188
Dense Smoke Advisory	2
Coast and beach
Coastal Flood Warning	1
High Surf Warning	2
Tsunami Warning	1
Coastal Flood Watch	2
Coastal Flood Advisory	33
High Surf Advisory	44
Tsunami Advisory	1
Beach Hazards Statement	79
Marine
Gale Warning	163
Hazardous Seas Warning	38
Special Marine Warning	220
Storm Warning	15
Gale Watch	93
Hazardous Seas Watch	10
Storm Watch	6
Marine Dense Fog Advisory	17
Small Craft Advisory	586

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.

Nearby

Alerts in force now Tornadoes on record The radar archive 2024 2026

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.