Weather alerts in California, 2022

3,975 weather alerts in 2022, 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 2022. Tap one for its archive.

Alerts: 3,975
Warnings: 1,039
Watches: 407
Advisories: 1,992
Busiest month: August596 alerts
Busiest day: September 12, 202258 alerts

Over time

By month

The alerts

3,975 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	128
Tornado Warning	2
Mesoscale Discussion	9
Special Weather Statement	453
Flooding
Areal Flood Warning	12
Flash Flood Warning	307
River Flood Warning	8
Flash Flood Watch	11
Flood Watch	51
River Flood Watch	2
Areal Flood Advisory	391
River Flood Advisory	3
Winter
Winter Storm Warning	53
Winter Storm Watch	50
Winter Weather Advisory	86
Heat
Excessive Heat Warning	35
Excessive Heat Watch	33
Heat Advisory	59
Cold
Freeze Warning	81
Hard Freeze Warning	19
Freeze Watch	47
Hard Freeze Watch	10
Frost Advisory	107
Wind and dust
Blowing Dust Warning	1
Dust Storm Warning	36
High Wind Warning	75
High Wind Watch	46
Blowing Dust Advisory	19
Dust Storm Advisory	34
Lake Wind Advisory	46
Wind Advisory	408
Fire
Red Flag Warning	54
Fire Weather Watch	39
Fog and smoke
Air Stagnation Advisory	4
Dense Fog Advisory	118
Freezing Fog Advisory	5
Air Stagnation Outlook	1
Coast and beach
Coastal Flood Watch	1
Coastal Flood Advisory	23
High Surf Advisory	33
Tsunami Advisory	1
Beach Hazards Statement	74
Marine
Gale Warning	161
Hazardous Seas Warning	31
Special Marine Warning	32
Storm Warning	4
Gale Watch	109
Hazardous Seas Watch	6
Storm Watch	2
Marine Dense Fog Advisory	12
Small Craft Advisory	643

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 2021 2023

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.