Alert archive / Arizona / Winter Storm Warnings

Winter Storm Warnings in Arizona, 2021

10 winter storm warnings in 2021. 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 winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Winter Storm Warnings
10
Busiest month
January5 winter storm warnings
Busiest day
January 24, 20214 winter storm warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 22, 2:32 AM MSTWinter Storm WarningFGZCoconino, Navajo, Yavapai11 hr
Jan 24, 3:19 AM MSTWinter Storm WarningFGZApache, Coconino, Gila, Navajo, Yavapai62 hr
Jan 24, 3:38 AM MSTWinter Storm WarningTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz61 hr
Jan 24, 4:39 AM MSTWinter Storm WarningVEFMohave54 hr
Jan 24, 1:09 PM MSTWinter Storm WarningPSRGila, Maricopa, Pinal52 hr
Dec 13, 3:01 PM MSTWinter Storm WarningFGZApache, Coconino, Navajo41 hr
Dec 23, 3:48 AM MSTWinter Storm WarningFGZCoconino43 hr
Dec 28, 2:49 PM MSTWinter Storm WarningVEFMohave54 hr
Dec 30, 2:12 PM MSTWinter Storm WarningFGZApache, Navajo45 hr
Dec 30, 2:25 PM MSTWinter Storm WarningTWCCochise, Graham, Greenlee, Pima, Pinal45 hr

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.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.