Alert archive / Arizona / Winter Storm Warnings / 2011

Winter Storm Warnings in Arizona, December 2011

7 winter storm warnings in December 2011. 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 December 2011. Tap one for its archive.

Winter Storm Warnings
7
Busiest day
December 1, 20112 winter storm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
Dec 1, 3:32 AM MSTWinter Storm WarningTWCGraham, Greenlee40 hr
Dec 1, 4:27 AM MSTWinter Storm WarningFGZApache, Coconino, Navajo40 hr
Dec 5, 9:59 AM MSTWinter Storm WarningPSR3 hr
Dec 11, 2:56 PM MSTWinter Storm WarningVEF31 hr
Dec 12, 3:48 AM MSTWinter Storm WarningTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz47 hr
Dec 12, 3:59 AM MSTWinter Storm WarningFGZApache, Coconino, Gila, Navajo, Yavapai49 hr
Dec 22, 8:11 PM MSTWinter Storm WarningFGZApache, Navajo7 hr

By county

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

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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. Warning verification from the Mesonet's Cow. Rebuilt daily.