Weather alerts in Arizona, December 2011

58 weather alerts in December 2011, 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 December 2011. Tap one for its archive.

Alerts: 58
Warnings: 15
Watches: 8
Advisories: 35
Busiest day: December 4, 20119 alerts

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.

Issued	Product	Office	Counties	Lasted
Dec 1, 2:29 AM MST	Winter Weather Advisory	PSR		42 hr
Dec 1, 3:32 AM MST	Winter Storm Warning	TWC	Graham, Greenlee	40 hr
Dec 1, 3:32 AM MST	Winter Weather Advisory	TWC	Cochise, Graham, Pinal	40 hr
Dec 1, 3:34 AM MST	Wind Advisory	FGZ	Apache, Navajo	11 hr
Dec 1, 4:27 AM MST	Winter Storm Warning	FGZ	Apache, Coconino, Navajo	40 hr
Dec 1, 5:54 AM MST	Wind Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	14 hr
Dec 2, 3:11 PM MST	Winter Weather Advisory	FGZ	Apache, Coconino, Gila, Navajo, Yavapai	39 hr
Dec 3, 3:58 AM MST	Winter Weather Advisory	PSR		25 hr
Dec 3, 4:49 AM MST	Winter Weather Advisory	VEF		11 hr
Dec 3, 6:38 AM MST	Winter Weather Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal	23 hr
Dec 3, 2:09 PM MST	Freeze Watch	TWC	Pima, Pinal	12 hr
Dec 3, 2:09 PM MST	Freeze Watch	TWC	Pima, Pinal	24 hr
Dec 4, 2:33 AM MST	Freeze Warning	TWC	Pima, Pinal	30 hr
Dec 4, 4:42 AM MST	Dense Fog Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	4 hr
Dec 4, 6:06 AM MST	Dense Fog Advisory	FGZ	Apache, Coconino, Navajo	3 hr
Dec 4, 7:28 AM MST	Dense Fog Advisory	PSR		5 hr
Dec 4, 1:20 PM MST	Freeze Watch	PSR		14 hr
Dec 4, 1:20 PM MST	Freeze Warning	PSR		20 hr
Dec 4, 2:16 PM MST	Hard Freeze Warning	TWC	Pima, Pinal	42 hr
Dec 4, 3:55 PM MST	Winter Weather Advisory	FGZ	Apache, Coconino, Navajo	18 hr
Dec 4, 4:09 PM MST	Lake Wind Advisory	VEF	Mohave	27 hr
Dec 5, 2:23 AM MST	Winter Weather Advisory	FGZ	Apache	8 hr
Dec 5, 9:44 AM MST	Winter Weather Advisory	PSR		2 hr
Dec 5, 9:59 AM MST	Winter Storm Warning	PSR		3 hr
Dec 5, 12:56 PM MST	Hard Freeze Warning	TWC	Pima, Pinal	43 hr
Dec 5, 3:06 PM MST	Freeze Watch	VEF	Mohave	24 hr
Dec 5, 3:32 PM MST	Freeze Watch	PSR		24 hr
Dec 5, 3:32 PM MST	Freeze Warning	PSR		17 hr
Dec 6, 2:02 PM MST	Freeze Warning	TWC	Pima, Pinal	18 hr
Dec 6, 3:26 PM MST	Freeze Warning	VEF	Mohave	18 hr
Dec 6, 3:50 PM MST	Freeze Warning	PSR		17 hr
Dec 11, 3:33 AM MST	Winter Storm Watch	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	24 hr
Dec 11, 4:38 AM MST	Winter Storm Watch	VEF		10 hr
Dec 11, 2:56 PM MST	Winter Storm Warning	VEF		31 hr
Dec 11, 3:04 PM MST	Winter Storm Watch	FGZ	Apache, Coconino, Gila, Navajo, Yavapai	14 hr
Dec 12, 3:48 AM MST	Winter Storm Warning	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	47 hr
Dec 12, 3:59 AM MST	Winter Storm Warning	FGZ	Apache, Coconino, Gila, Navajo, Yavapai	49 hr
Dec 12, 3:59 AM MST	Winter Weather Advisory	FGZ	Apache, Coconino, Navajo	49 hr
Dec 12, 10:23 PM MST	Winter Weather Advisory	VEF		9 hr
Dec 13, 9:02 AM MST	Winter Weather Advisory	PSR		20 hr
Dec 13, 6:28 PM MST	Areal Flood Advisory	PSR	La Paz, Yuma	107 min
Dec 14, 3:33 AM MST	Dense Fog Advisory	PSR		5 hr
Dec 14, 6:27 AM MST	Dense Fog Advisory	VEF		3 hr
Dec 14, 11:21 AM MST	Dense Fog Advisory	PSR		82 min
Dec 15, 3:38 AM MST	Dense Fog Advisory	TWC	Cochise, Graham, Pima, Pinal, Santa Cruz	5 hr
Dec 15, 6:32 AM MST	Dense Fog Advisory	PSR		4 hr
Dec 15, 9:06 AM MST	Dense Fog Advisory	TWC	Pima, Pinal, Santa Cruz	54 min
Dec 15, 4:02 PM MST	Lake Wind Advisory	VEF	Mohave	27 hr
Dec 17, 2:19 AM MST	Winter Weather Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal	56 hr
Dec 18, 4:29 AM MST	Winter Weather Advisory	FGZ	Apache, Coconino, Navajo	23 hr
Dec 19, 9:15 AM MST	Dense Fog Advisory	PSR		105 min
Dec 19, 7:24 PM MST	Dense Fog Advisory	FGZ	Apache, Coconino, Gila, Navajo, Yavapai	13 hr
Dec 20, 3:37 PM MST	Wind Advisory	VEF	Mohave	51 hr
Dec 21, 5:01 AM MST	Wind Advisory	PSR		39 hr
Dec 22, 3:01 AM MST	Winter Weather Advisory	TWC	Cochise, Graham, Greenlee, Pinal	32 hr
Dec 22, 3:53 AM MST	Winter Weather Advisory	FGZ	Apache, Coconino, Gila, Navajo	32 hr
Dec 22, 7:44 PM MST	Winter Weather Advisory	PSR		4 hr
Dec 22, 8:11 PM MST	Winter Storm Warning	FGZ	Apache, Navajo	7 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Flooding
Areal Flood Advisory	1
Winter
Winter Storm Warning	7
Winter Storm Watch	3
Winter Weather Advisory	17
Cold
Freeze Warning	6
Hard Freeze Warning	2
Freeze Watch	5
Wind and dust
Lake Wind Advisory	2
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	11

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

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.