Weather alerts in Arizona, December 2020

22 weather alerts in December 2020, 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 2020. Tap one for its archive.

Alerts: 22
Warnings: 7
Watches: 3
Advisories: 12
Busiest day: December 3, 20205 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 2, 1:49 AM MST	Lake Wind Advisory	VEF	Mohave	19 hr
Dec 2, 2:01 AM MST	Freeze Watch	PSR	Gila, La Paz, Pinal, Yuma	24 hr
Dec 2, 1:34 PM MST	Hard Freeze Watch	PSR	Gila	12 hr
Dec 2, 2:10 PM MST	Freeze Watch	TWC	Pinal	12 hr
Dec 3, 1:44 AM MST	Freeze Warning	PSR	Gila, La Paz, Maricopa, Pinal, Yuma	30 hr
Dec 3, 1:44 AM MST	Hard Freeze Warning	PSR	Gila	30 hr
Dec 3, 2:14 AM MST	Freeze Warning	TWC	Pinal	31 hr
Dec 3, 4:42 AM MST	Wind Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	10 hr
Dec 3, 1:21 PM MST	Freeze Warning	PSR	La Paz, Yuma	43 hr
Dec 10, 8:10 AM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Dec 11, 5:05 AM MST	Dense Fog Advisory	PSR	Maricopa, Pinal	5 hr
Dec 12, 2:28 AM MST	Wind Advisory	FGZ	Apache, Coconino, Navajo	19 hr
Dec 12, 2:33 AM MST	Winter Weather Advisory	FGZ	Apache	19 hr
Dec 12, 7:17 AM MST	Dense Fog Advisory	PSR	Yuma	3 hr
Dec 12, 10:09 AM MST	Dense Fog Advisory	PSR	Yuma	51 min
Dec 12, 11:03 AM MST	Dense Fog Advisory	PSR	Yuma	50 min
Dec 14, 1:41 PM MST	Freeze Warning	PSR	Maricopa, Pinal	19 hr
Dec 15, 2:04 PM MST	Freeze Warning	PSR	Maricopa, Pinal	19 hr
Dec 17, 3:09 AM MST	Wind Advisory	FGZ	Apache, Coconino, Navajo	23 hr
Dec 22, 3:13 AM MST	Wind Advisory	VEF	Mohave	40 hr
Dec 23, 8:06 PM MST	Freeze Warning	PSR	Gila	13 hr
Dec 27, 1:32 PM MST	Wind Advisory	FGZ	Apache, Coconino, Navajo	28 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 Weather Advisory	1
Cold
Freeze Warning	6
Hard Freeze Warning	1
Freeze Watch	2
Hard Freeze Watch	1
Wind and dust
Lake Wind Advisory	1
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	4

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 2019 2021

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.