Alert archive / Arizona / Flash Flood Warnings

Flash Flood Warnings in Arizona, 2020

104 flash flood warnings in 2020. 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Flash Flood Warnings: 104
Busiest month: July41 flash flood warnings
Busiest day: July 23, 202013 flash flood 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.

Issued	Product	Office	Counties	Lasted
Mar 11, 4:47 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	4 hr
Mar 12, 8:07 AM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Mar 12, 3:42 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	4 hr
Mar 12, 4:07 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	4 hr
Mar 12, 4:16 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Mar 12, 4:42 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	4 hr
Mar 12, 5:45 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	4 hr
Mar 12, 6:14 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Mar 12, 6:48 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz, Yuma	4 hr
Mar 12, 9:10 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Mar 12, 9:30 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Mar 12, 9:53 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	7 hr
Mar 12, 10:28 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	4 hr
Mar 12, 10:35 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Mar 13, 12:58 AM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	7 hr
Mar 13, 3:31 PM MST	Flash Flood Warning	PSR	Maricopa	3 hr
Mar 18, 1:29 PM MST	Flash Flood Warning Considerable damage threat	PSR	Yuma	4 hr
Mar 18, 4:37 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Mar 19, 2:42 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Gila, Yavapai	10 hr
Apr 12, 9:40 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	2 hr
Jul 2, 5:44 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	110 min
Jul 3, 4:20 PM MST	Flash Flood Warning	FGZ	Coconino	2 hr
Jul 11, 1:53 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	3 hr
Jul 11, 7:30 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 11, 7:57 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	2 hr
Jul 15, 12:58 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	3 hr
Jul 15, 2:05 PM MST	Flash Flood Warning Considerable damage threat	TWC	Santa Cruz	3 hr
Jul 15, 3:12 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Jul 22, 12:57 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Jul 22, 4:33 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr
Jul 22, 5:11 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Gila, Yavapai	3 hr
Jul 23, 6:32 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	118 min
Jul 23, 6:39 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	111 min
Jul 23, 7:53 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	5 hr
Jul 23, 8:16 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	5 hr
Jul 23, 9:24 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	5 hr
Jul 23, 9:38 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	4 hr
Jul 23, 10:22 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 23, 11:59 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	5 hr
Jul 23, 12:47 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 23, 1:46 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr
Jul 23, 2:16 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	3 hr
Jul 23, 2:50 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Jul 23, 8:49 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	107 min
Jul 23, 9:07 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 23, 11:59 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz, Maricopa	2 hr
Jul 24, 1:20 AM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 24, 11:43 AM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	4 hr
Jul 24, 12:44 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	86 min
Jul 24, 1:16 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 24, 1:30 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 24, 3:49 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Jul 24, 4:06 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 24, 5:35 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	112 min
Jul 27, 9:57 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr
Jul 27, 2:59 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	3 hr
Jul 27, 3:18 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr
Jul 27, 4:38 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Gila, Navajo	3 hr
Jul 27, 6:35 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	4 hr
Jul 27, 6:48 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Jul 27, 8:34 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	4 hr
Jul 31, 7:14 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Santa Cruz	2 hr
Aug 1, 3:38 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino, Gila, Navajo	3 hr
Aug 1, 6:13 PM MST	Flash Flood Warning Considerable damage threat	TWC	Graham	107 min
Aug 1, 7:15 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	2 hr
Aug 2, 7:37 PM MST	Flash Flood Warning Considerable damage threat	TWC	Santa Cruz	113 min
Aug 16, 3:29 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	2 hr
Aug 16, 4:05 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila, Pinal	3 hr
Aug 16, 4:16 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	119 min
Aug 16, 4:50 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pinal	115 min
Aug 16, 5:35 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	115 min
Aug 20, 4:41 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Santa Cruz	2 hr
Aug 20, 6:57 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	2 hr
Aug 20, 7:35 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 20, 8:05 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	85 min
Aug 20, 10:00 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa, Pinal	4 hr
Aug 20, 11:37 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	5 hr
Aug 22, 5:51 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	2 hr
Aug 22, 5:55 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Aug 22, 8:02 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila, Maricopa	4 hr
Aug 22, 8:17 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	118 min
Aug 23, 12:54 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	5 hr
Aug 23, 6:12 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Aug 27, 6:16 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	4 hr
Aug 29, 5:56 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Aug 29, 6:39 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa, Pinal	4 hr
Aug 29, 7:52 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 30, 12:01 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Gila	4 hr
Aug 30, 12:13 AM MST	Flash Flood Warning Considerable damage threat	PSR	Gila, Maricopa	4 hr
Aug 30, 1:19 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Aug 30, 3:37 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa, Pinal	4 hr
Aug 30, 5:16 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Aug 30, 5:33 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	3 hr
Aug 30, 5:57 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Aug 30, 6:13 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Aug 30, 6:23 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	3 hr
Aug 30, 6:42 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 30, 7:14 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Aug 30, 7:40 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	4 hr
Sep 1, 5:27 AM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa, Pinal	3 hr
Sep 8, 6:31 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	89 min
Sep 8, 7:55 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise, Pima	3 hr
Sep 8, 11:02 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	118 min
Sep 9, 5:47 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	118 min

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 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. Rebuilt daily.