Alert archive / Arizona

Weather alerts in Arizona, 2023

1,796 weather alerts in 2023, 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 2023. Tap one for its archive.

Alerts
1,796
Warnings
713
Watches
87
Advisories
402
Busiest month
August515 alerts
Busiest day
September 13, 202379 alerts

Over time

By month

The alerts

1,796 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 Warning336
Tornado Warning2
Mesoscale Discussion21
Special Weather Statement573
Flooding
Areal Flood Warning62
Flash Flood Warning164
River Flood Warning7
Flood Watch17
River Flood Watch1
Areal Flood Advisory216
River Flood Advisory5
Winter
Snow Squall Warning1
Winter Storm Warning23
Winter Storm Watch10
Winter Weather Advisory39
Heat
Excessive Heat Warning21
Excessive Heat Watch15
Heat Advisory3
Cold
Freeze Warning19
Hard Freeze Warning11
Freeze Watch6
Hard Freeze Watch4
Wind and dust
Blowing Dust Warning1
Dust Storm Warning18
High Wind Warning13
High Wind Watch11
Blowing Dust Advisory19
Dust Storm Advisory42
Lake Wind Advisory3
Wind Advisory67
Fire
Red Flag Warning35
Fire Weather Watch23
Fog and smoke
Dense Fog Advisory7
Freezing Fog Advisory1

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. September 13, 202379alerts
  2. September 1, 202365alerts
  3. August 17, 202347alerts
  4. May 19, 202345alerts
  5. July 31, 202341alerts
  6. August 18, 202339alerts
  7. July 29, 202338alerts
  8. August 31, 202338alerts
  9. July 27, 202336alerts
  10. July 23, 202335alerts
  11. August 13, 202334alerts
  12. August 8, 202332alerts

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.