Alert archive / Arizona / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Arizona, 2011

328 severe thunderstorm warnings in 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Severe Thunderstorm Warnings: 328
Busiest month: July116 severe thunderstorm warnings
Busiest day: September 10, 201119 severe thunderstorm 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
Jun 28, 4:44 PM MST	Severe Thunderstorm Warning	TWC	Cochise	46 min
Jun 29, 3:51 PM MST	Severe Thunderstorm Warning	TWC	Pinal	24 min
Jun 29, 5:00 PM MST	Severe Thunderstorm Warning	TWC	Graham	45 min
Jun 29, 5:40 PM MST	Severe Thunderstorm Warning	TWC	Cochise	50 min
Jun 29, 6:28 PM MST	Severe Thunderstorm Warning	TWC	Cochise	47 min
Jun 30, 2:52 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Santa Cruz	38 min
Jun 30, 3:30 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Santa Cruz	29 min
Jul 3, 5:28 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Navajo	32 min
Jul 3, 5:52 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	23 min
Jul 3, 7:06 PM MST	Severe Thunderstorm Warning	VEF	Mohave	54 min
Jul 3, 7:40 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	65 min
Jul 3, 9:59 PM MST	Severe Thunderstorm Warning	VEF	Mohave	46 min
Jul 3, 10:18 PM MST	Severe Thunderstorm Warning	VEF	Mohave	42 min
Jul 4, 11:58 AM MST	Severe Thunderstorm Warning	TWC	Pima	47 min
Jul 4, 12:54 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	51 min
Jul 4, 2:46 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima	44 min
Jul 4, 4:03 PM MST	Severe Thunderstorm Warning	TWC	Pima	42 min
Jul 4, 4:15 PM MST	Severe Thunderstorm Warning	TWC	Pima	39 min
Jul 4, 4:48 PM MST	Severe Thunderstorm Warning	TWC	Pima	57 min
Jul 4, 5:51 PM MST	Severe Thunderstorm Warning	FGZ	Gila	24 min
Jul 4, 6:29 PM MST	Severe Thunderstorm Warning	TWC	Graham	31 min
Jul 4, 6:44 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	31 min
Jul 4, 6:47 PM MST	Severe Thunderstorm Warning	PSR	Pinal	43 min
Jul 4, 6:50 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	25 min
Jul 5, 12:52 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	38 min
Jul 5, 2:22 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	53 min
Jul 5, 2:41 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	49 min
Jul 5, 3:37 PM MST	Severe Thunderstorm Warning	TWC	Pima	53 min
Jul 5, 4:03 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima	42 min
Jul 5, 4:15 PM MST	Severe Thunderstorm Warning	VEF	Mohave	30 min
Jul 5, 4:36 PM MST	Severe Thunderstorm Warning	TWC	Pima	54 min
Jul 5, 4:42 PM MST	Severe Thunderstorm Warning	VEF	Mohave	33 min
Jul 5, 5:02 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	28 min
Jul 5, 5:22 PM MST	Severe Thunderstorm Warning	TWC	Pima	53 min
Jul 5, 5:30 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	30 min
Jul 5, 5:31 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	44 min
Jul 5, 6:05 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	40 min
Jul 5, 6:17 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	73 min
Jul 5, 7:24 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	51 min
Jul 5, 7:25 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	50 min
Jul 5, 7:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	53 min
Jul 5, 7:54 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa	51 min
Jul 5, 9:03 PM MST	Severe Thunderstorm Warning	PSR	La Paz	57 min
Jul 5, 10:41 PM MST	Severe Thunderstorm Warning	PSR	Yuma	40 min
Jul 6, 12:04 AM MST	Severe Thunderstorm Warning	VEF	Mohave	41 min
Jul 6, 2:15 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	42 min
Jul 6, 5:06 PM MST	Severe Thunderstorm Warning	TWC	Graham	39 min
Jul 6, 5:19 PM MST	Severe Thunderstorm Warning	TWC	Cochise	41 min
Jul 6, 5:25 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	35 min
Jul 7, 2:40 PM MST	Severe Thunderstorm Warning	TWC	Cochise	50 min
Jul 7, 2:54 PM MST	Severe Thunderstorm Warning	VEF	Mohave	51 min
Jul 7, 3:18 PM MST	Severe Thunderstorm Warning	VEF	Mohave	42 min
Jul 7, 3:32 PM MST	Severe Thunderstorm Warning	VEF	Mohave	43 min
Jul 7, 3:47 PM MST	Severe Thunderstorm Warning	FGZ	Gila	13 min
Jul 7, 3:54 PM MST	Severe Thunderstorm Warning	TWC	Cochise	51 min
Jul 7, 4:20 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima	40 min
Jul 7, 4:42 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	48 min
Jul 7, 5:01 PM MST	Severe Thunderstorm Warning	TWC	Pima	44 min
Jul 7, 5:31 PM MST	Severe Thunderstorm Warning	TWC	Pima	59 min
Jul 7, 5:32 PM MST	Severe Thunderstorm Warning	TWC	Pima	43 min
Jul 7, 5:44 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Jul 7, 6:27 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	63 min
Jul 7, 6:36 PM MST	Severe Thunderstorm Warning	TWC	Pima	39 min
Jul 8, 11:02 AM MST	Severe Thunderstorm Warning	FGZ	Yavapai	13 min
Jul 8, 11:34 AM MST	Severe Thunderstorm Warning	VEF	Mohave	41 min
Jul 8, 2:25 PM MST	Severe Thunderstorm Warning	VEF	Mohave	50 min
Jul 8, 3:02 PM MST	Severe Thunderstorm Warning	TWC	Cochise	28 min
Jul 8, 3:15 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	15 min
Jul 8, 3:24 PM MST	Severe Thunderstorm Warning	TWC	Cochise	38 min
Jul 8, 4:39 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	21 min
Jul 9, 2:45 PM MST	Severe Thunderstorm Warning	TWC	Pima	45 min
Jul 9, 2:58 PM MST	Severe Thunderstorm Warning	TWC	Cochise	47 min
Jul 9, 3:01 PM MST	Severe Thunderstorm Warning	VEF	Mohave	44 min
Jul 9, 5:30 PM MST	Severe Thunderstorm Warning	VEF	Mohave	25 min
Jul 9, 5:41 PM MST	Severe Thunderstorm Warning	VEF	Mohave	49 min
Jul 9, 6:47 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	35 min
Jul 9, 7:21 PM MST	Severe Thunderstorm Warning	TWC	Pima	54 min
Jul 10, 1:02 PM MST	Severe Thunderstorm Warning	VEF	Mohave	43 min
Jul 10, 1:07 PM MST	Severe Thunderstorm Warning	VEF	Mohave	40 min
Jul 10, 2:22 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	53 min
Jul 10, 2:55 PM MST	Severe Thunderstorm Warning	VEF	Mohave	50 min
Jul 10, 3:09 PM MST	Severe Thunderstorm Warning	VEF	Mohave	20 min
Jul 10, 3:46 PM MST	Severe Thunderstorm Warning	VEF	Mohave	44 min
Jul 10, 5:20 PM MST	Severe Thunderstorm Warning	VEF	Mohave	40 min
Jul 11, 2:47 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	25 min
Jul 11, 5:58 PM MST	Severe Thunderstorm Warning	TWC	Cochise	47 min
Jul 11, 7:12 PM MST	Severe Thunderstorm Warning	TWC	Cochise	33 min
Jul 11, 7:46 PM MST	Severe Thunderstorm Warning	TWC	Cochise	29 min
Jul 18, 3:05 PM MST	Severe Thunderstorm Warning	PSR	Pinal	22 min
Jul 18, 6:06 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	39 min
Jul 19, 4:15 PM MST	Severe Thunderstorm Warning	TWC	Pima	29 min
Jul 20, 3:58 PM MST	Severe Thunderstorm Warning	TWC	Cochise	32 min
Jul 20, 4:01 PM MST	Severe Thunderstorm Warning	TWC	Cochise	29 min
Jul 20, 4:47 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	28 min
Jul 20, 6:35 PM MST	Severe Thunderstorm Warning	TWC	Pima	25 min
Jul 22, 6:42 PM MST	Severe Thunderstorm Warning	TWC	Pima	33 min
Jul 23, 3:45 PM MST	Severe Thunderstorm Warning	TWC	Cochise	30 min
Jul 23, 3:50 PM MST	Severe Thunderstorm Warning	TWC	Pima	40 min
Jul 23, 4:00 PM MST	Severe Thunderstorm Warning	TWC	Cochise	45 min
Jul 23, 4:23 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	37 min
Jul 23, 4:38 PM MST	Severe Thunderstorm Warning	TWC	Cochise	37 min
Jul 23, 5:39 PM MST	Severe Thunderstorm Warning	TWC	Pima	36 min
Jul 23, 5:41 PM MST	Severe Thunderstorm Warning	TWC	Pima	34 min
Jul 23, 7:09 PM MST	Severe Thunderstorm Warning	TWC	Pima	36 min
Jul 24, 4:05 PM MST	Severe Thunderstorm Warning	TWC	Graham	40 min
Jul 24, 4:18 PM MST	Severe Thunderstorm Warning	TWC	Cochise	42 min
Jul 24, 5:16 PM MST	Severe Thunderstorm Warning	PSR	Gila	44 min
Jul 24, 5:40 PM MST	Severe Thunderstorm Warning	TWC	Cochise	35 min
Jul 24, 5:50 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	25 min
Jul 24, 6:24 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	21 min
Jul 24, 8:43 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa, Pinal	62 min
Jul 24, 10:29 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	38 min
Jul 25, 4:57 PM MST	Severe Thunderstorm Warning	TWC	Graham	33 min
Jul 25, 5:34 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Navajo	41 min
Jul 25, 5:40 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Navajo	35 min
Jul 25, 6:15 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	30 min
Jul 25, 7:29 PM MST	Severe Thunderstorm Warning	FGZ	Gila, Navajo	33 min
Jul 25, 9:05 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	40 min
Jul 30, 7:45 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	45 min
Jul 31, 3:19 PM MST	Severe Thunderstorm Warning	VEF	Mohave	41 min
Jul 31, 3:21 PM MST	Severe Thunderstorm Warning	TWC	Pima	54 min
Jul 31, 3:23 PM MST	Severe Thunderstorm Warning	VEF	Mohave	39 min
Jul 31, 3:57 PM MST	Severe Thunderstorm Warning	VEF	Mohave	48 min
Jul 31, 5:46 PM MST	Severe Thunderstorm Warning	PSR	Pinal	29 min
Jul 31, 7:09 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	51 min
Jul 31, 7:17 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	43 min
Aug 1, 8:30 PM MST	Severe Thunderstorm Warning	VEF	Mohave	45 min
Aug 2, 2:51 PM MST	Severe Thunderstorm Warning	TWC	Pima	39 min
Aug 2, 3:27 PM MST	Severe Thunderstorm Warning	TWC	Greenlee	48 min
Aug 2, 6:34 PM MST	Severe Thunderstorm Warning	TWC	Pima	26 min
Aug 2, 6:59 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	46 min
Aug 2, 7:00 PM MST	Severe Thunderstorm Warning	TWC	Cochise	14 min
Aug 3, 5:39 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	66 min
Aug 3, 6:50 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	40 min
Aug 3, 8:29 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	46 min
Aug 3, 10:11 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	30 min
Aug 4, 2:10 PM MST	Severe Thunderstorm Warning	TWC	Pima	56 min
Aug 4, 5:35 PM MST	Severe Thunderstorm Warning	TWC	Pima	40 min
Aug 5, 3:35 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	25 min
Aug 7, 12:13 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Santa Cruz	47 min
Aug 7, 2:31 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	44 min
Aug 7, 3:14 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Aug 7, 5:04 PM MST	Severe Thunderstorm Warning	TWC	Pima	41 min
Aug 7, 5:44 PM MST	Severe Thunderstorm Warning	TWC	Pima	16 min
Aug 10, 4:07 PM MST	Severe Thunderstorm Warning	TWC	Cochise	37 min
Aug 12, 3:44 PM MST	Severe Thunderstorm Warning	TWC	Pima	34 min
Aug 12, 4:28 PM MST	Severe Thunderstorm Warning	PSR	Gila	62 min
Aug 12, 4:40 PM MST	Severe Thunderstorm Warning	TWC	Graham, Greenlee	50 min
Aug 12, 5:33 PM MST	Severe Thunderstorm Warning	TWC	Graham, Greenlee	42 min
Aug 12, 6:58 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham	62 min
Aug 13, 3:21 PM MST	Severe Thunderstorm Warning	TWC	Cochise	39 min
Aug 15, 3:32 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	12 min
Aug 15, 9:59 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Aug 15, 10:42 PM MST	Severe Thunderstorm Warning	TWC	Pima	48 min
Aug 15, 11:28 PM MST	Severe Thunderstorm Warning	TWC	Pima	62 min
Aug 16, 4:14 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Aug 17, 2:44 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	31 min
Aug 17, 3:53 PM MST	Severe Thunderstorm Warning	TWC	Cochise	37 min
Aug 17, 4:27 PM MST	Severe Thunderstorm Warning	TWC	Cochise	33 min
Aug 17, 4:57 PM MST	Severe Thunderstorm Warning	TWC	Cochise	33 min
Aug 17, 5:28 PM MST	Severe Thunderstorm Warning	TWC	Cochise	32 min
Aug 18, 1:03 PM MST	Severe Thunderstorm Warning	TWC	Pinal	42 min
Aug 18, 1:31 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima	44 min
Aug 18, 1:34 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	26 min
Aug 18, 2:03 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	27 min
Aug 18, 2:12 PM MST	Severe Thunderstorm Warning	PSR	Gila	17 min
Aug 18, 2:14 PM MST	Severe Thunderstorm Warning	TWC	Cochise	46 min
Aug 18, 2:15 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham	45 min
Aug 18, 2:21 PM MST	Severe Thunderstorm Warning	TWC	Pima	39 min
Aug 18, 3:59 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Aug 18, 4:36 PM MST	Severe Thunderstorm Warning	PSR	Pinal	24 min
Aug 18, 4:54 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	51 min
Aug 18, 5:15 PM MST	Severe Thunderstorm Warning	TWC	Pinal	30 min
Aug 18, 6:12 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	48 min
Aug 18, 6:32 PM MST	Severe Thunderstorm Warning	TWC	Pima	28 min
Aug 19, 3:38 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	37 min
Aug 21, 6:56 PM MST	Severe Thunderstorm Warning	TWC	Cochise	34 min
Aug 22, 3:00 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	19 min
Aug 23, 2:30 PM MST	Severe Thunderstorm Warning	TWC	Cochise	30 min
Aug 23, 4:04 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Santa Cruz	26 min
Aug 23, 4:48 PM MST	Severe Thunderstorm Warning	TWC	Pima	27 min
Aug 23, 5:05 PM MST	Severe Thunderstorm Warning	TWC	Greenlee	25 min
Aug 23, 5:30 PM MST	Severe Thunderstorm Warning	TWC	Pima	30 min
Aug 23, 5:43 PM MST	Severe Thunderstorm Warning	TWC	Pima	32 min
Aug 23, 6:02 PM MST	Severe Thunderstorm Warning	TWC	Pima	28 min
Aug 26, 1:38 PM MST	Severe Thunderstorm Warning	TWC	Pima	67 min
Aug 26, 2:08 PM MST	Severe Thunderstorm Warning	TWC	Pima	52 min
Aug 26, 3:07 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	26 min
Aug 26, 3:28 PM MST	Severe Thunderstorm Warning	TWC	Pima	62 min
Aug 26, 4:10 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	43 min
Aug 26, 4:31 PM MST	Severe Thunderstorm Warning	PSR	La Paz, Yuma	23 min
Aug 26, 5:04 PM MST	Severe Thunderstorm Warning	PSR	La Paz	30 min
Aug 26, 6:43 PM MST	Severe Thunderstorm Warning	PSR	La Paz	47 min
Aug 27, 3:15 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	45 min
Aug 27, 3:40 PM MST	Severe Thunderstorm Warning	TWC	Pima	35 min
Aug 27, 3:51 PM MST	Severe Thunderstorm Warning	TWC	Pima	39 min
Aug 27, 3:57 PM MST	Severe Thunderstorm Warning	TWC	Pima	33 min
Aug 27, 4:20 PM MST	Severe Thunderstorm Warning	TWC	Pima	40 min
Aug 27, 4:22 PM MST	Severe Thunderstorm Warning	TWC	Pima	38 min
Aug 27, 4:30 PM MST	Severe Thunderstorm Warning	TWC	Pima	45 min
Aug 27, 4:31 PM MST	Severe Thunderstorm Warning	TWC	Pima	29 min
Aug 27, 5:01 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa, Pinal	59 min
Aug 27, 5:13 PM MST	Severe Thunderstorm Warning	TWC	Pima	47 min
Aug 27, 5:23 PM MST	Severe Thunderstorm Warning	VEF	Mohave	52 min
Aug 27, 6:14 PM MST	Severe Thunderstorm Warning	PSR	Pinal	46 min
Aug 27, 6:48 PM MST	Severe Thunderstorm Warning	TWC	Pima	42 min
Aug 27, 6:58 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	25 min
Aug 27, 7:43 PM MST	Severe Thunderstorm Warning	VEF	Mohave	47 min
Aug 27, 8:38 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Yuma	52 min
Aug 27, 9:25 PM MST	Severe Thunderstorm Warning	PSR	Yuma	65 min
Aug 27, 10:02 PM MST	Severe Thunderstorm Warning	PSR	Yuma	58 min
Aug 31, 2:33 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	42 min
Sep 5, 3:19 PM MST	Severe Thunderstorm Warning	PSR	Yuma	56 min
Sep 5, 4:19 PM MST	Severe Thunderstorm Warning	PSR	Yuma	41 min
Sep 6, 12:31 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	44 min
Sep 6, 1:45 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	45 min
Sep 6, 5:46 PM MST	Severe Thunderstorm Warning	FGZ	Gila, Navajo	29 min
Sep 9, 1:16 PM MST	Severe Thunderstorm Warning	VEF	Mohave	29 min
Sep 9, 1:36 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	39 min
Sep 9, 2:19 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	41 min
Sep 9, 2:41 PM MST	Severe Thunderstorm Warning	TWC	Cochise	34 min
Sep 9, 3:54 PM MST	Severe Thunderstorm Warning	TWC	Pinal	51 min
Sep 9, 4:01 PM MST	Severe Thunderstorm Warning	PSR	Yuma	59 min
Sep 9, 4:27 PM MST	Severe Thunderstorm Warning	TWC	Pinal	33 min
Sep 9, 4:39 PM MST	Severe Thunderstorm Warning	TWC	Cochise	36 min
Sep 9, 5:08 PM MST	Severe Thunderstorm Warning	TWC	Pima	37 min
Sep 9, 5:40 PM MST	Severe Thunderstorm Warning	TWC	Pima	65 min
Sep 9, 6:09 PM MST	Severe Thunderstorm Warning	TWC	Cochise	66 min
Sep 9, 7:09 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	36 min
Sep 9, 7:21 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	39 min
Sep 9, 7:47 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	28 min
Sep 10, 12:56 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	34 min
Sep 10, 1:34 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	41 min
Sep 10, 2:23 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	37 min
Sep 10, 2:55 PM MST	Severe Thunderstorm Warning	TWC	Pinal	50 min
Sep 10, 3:00 PM MST	Severe Thunderstorm Warning	TWC	Cochise	45 min
Sep 10, 3:23 PM MST	Severe Thunderstorm Warning	TWC	Cochise	52 min
Sep 10, 3:29 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	37 min
Sep 10, 3:45 PM MST	Severe Thunderstorm Warning	TWC	Cochise	45 min
Sep 10, 3:51 PM MST	Severe Thunderstorm Warning	TWC	Graham, Pinal	39 min
Sep 10, 4:12 PM MST	Severe Thunderstorm Warning	TWC	Cochise	48 min
Sep 10, 4:26 PM MST	Severe Thunderstorm Warning	TWC	Graham, Pinal	64 min
Sep 10, 4:55 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	50 min
Sep 10, 4:59 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	31 min
Sep 10, 5:22 PM MST	Severe Thunderstorm Warning	TWC	Pima	24 min
Sep 10, 5:34 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	56 min
Sep 10, 5:43 PM MST	Severe Thunderstorm Warning	TWC	Pima	62 min
Sep 10, 5:43 PM MST	Severe Thunderstorm Warning	TWC	Pima	47 min
Sep 10, 5:56 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	34 min
Sep 10, 6:30 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	45 min
Sep 10, 7:17 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	25 min
Sep 10, 7:48 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	27 min
Sep 10, 7:56 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	22 min
Sep 10, 8:32 PM MST	Severe Thunderstorm Warning	FGZ	Gila, Yavapai	28 min
Sep 10, 9:04 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	26 min
Sep 10, 9:24 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	36 min
Sep 11, 1:21 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	24 min
Sep 11, 2:03 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	27 min
Sep 11, 2:30 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	30 min
Sep 11, 3:03 PM MST	Severe Thunderstorm Warning	VEF	Mohave	27 min
Sep 11, 3:11 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	49 min
Sep 11, 3:59 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	21 min
Sep 11, 4:13 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Sep 11, 6:48 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Gila	27 min
Sep 12, 5:56 AM MST	Severe Thunderstorm Warning	FGZ	Coconino	34 min
Sep 12, 6:28 AM MST	Severe Thunderstorm Warning	FGZ	Coconino	32 min
Sep 12, 7:00 AM MST	Severe Thunderstorm Warning	FGZ	Coconino	30 min
Sep 12, 12:38 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	22 min
Sep 12, 1:00 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	30 min
Sep 12, 1:24 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	21 min
Sep 12, 1:46 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	29 min
Sep 12, 1:50 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	40 min
Sep 12, 1:54 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	36 min
Sep 12, 2:06 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	24 min
Sep 12, 3:00 PM MST	Severe Thunderstorm Warning	VEF	Mohave	30 min
Sep 12, 3:08 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	22 min
Sep 12, 3:13 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	32 min
Sep 12, 4:01 PM MST	Severe Thunderstorm Warning	PSR	Yuma	59 min
Sep 12, 4:06 PM MST	Severe Thunderstorm Warning	VEF	Mohave	39 min
Sep 12, 4:27 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	33 min
Sep 12, 5:02 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Navajo	11 min
Sep 13, 12:21 PM MST	Severe Thunderstorm Warning	PSR	Yuma	41 min
Sep 13, 1:28 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	32 min
Sep 13, 2:00 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	30 min
Sep 13, 2:30 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Navajo	30 min
Sep 13, 3:56 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	49 min
Sep 13, 4:12 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	30 min
Sep 13, 4:45 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	30 min
Sep 13, 5:26 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Navajo	34 min
Sep 14, 11:57 AM MST	Severe Thunderstorm Warning	FGZ	Coconino	33 min
Sep 14, 12:12 PM MST	Severe Thunderstorm Warning	FGZ	Navajo	18 min
Sep 14, 12:13 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	32 min
Sep 14, 12:16 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima	59 min
Sep 14, 12:48 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	27 min
Sep 14, 1:10 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	21 min
Sep 14, 1:12 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	21 min
Sep 14, 1:15 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham	60 min
Sep 14, 1:22 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	23 min
Sep 14, 1:27 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima, Santa Cruz	48 min
Sep 14, 1:45 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Navajo	18 min
Sep 14, 1:54 PM MST	Severe Thunderstorm Warning	TWC	Pima	23 min
Sep 14, 2:06 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	24 min
Sep 14, 2:06 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	24 min
Sep 14, 2:15 PM MST	Severe Thunderstorm Warning	TWC	Graham	60 min
Sep 14, 4:18 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	27 min
Sep 14, 4:43 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	47 min
Sep 14, 4:52 PM MST	Severe Thunderstorm Warning	TWC	Pima	23 min
Sep 14, 5:45 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Gila, Navajo	30 min
Sep 14, 5:46 PM MST	Severe Thunderstorm Warning	TWC	Pinal	44 min
Sep 14, 6:23 PM MST	Severe Thunderstorm Warning	TWC	Pinal	52 min
Sep 15, 3:22 AM MST	Severe Thunderstorm Warning	TWC	Graham	27 min
Sep 15, 12:31 PM MST	Severe Thunderstorm Warning	TWC	Graham, Pinal	29 min
Sep 15, 1:18 PM MST	Severe Thunderstorm Warning	TWC	Pima	57 min
Sep 15, 3:16 PM MST	Severe Thunderstorm Warning	TWC	Cochise	44 min
Sep 15, 3:53 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham, Greenlee	37 min
Sep 24, 1:13 PM MST	Severe Thunderstorm Warning	VEF	Mohave	34 min
Sep 27, 1:07 PM MST	Severe Thunderstorm Warning	TWC	Cochise	38 min
Oct 4, 6:40 AM MST	Severe Thunderstorm Warning	VEF	Mohave	12 min
Oct 4, 12:49 PM MST	Severe Thunderstorm Warning	TWC	Pima	41 min
Oct 4, 1:06 PM MST	Severe Thunderstorm Warning	VEF	Mohave	39 min
Oct 4, 1:50 PM MST	Severe Thunderstorm Warning	TWC	Graham, Greenlee	40 min
Oct 4, 1:56 PM MST	Severe Thunderstorm Warning	TWC	Cochise	41 min
Oct 4, 2:13 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	32 min
Oct 4, 2:35 PM MST	Severe Thunderstorm Warning	VEF	Mohave	15 min
Oct 4, 5:39 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	41 min
Nov 4, 11:58 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa, Pinal	47 min
Nov 5, 12:29 AM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	61 min
Nov 21, 4:00 AM MST	Severe Thunderstorm Warning	FGZ	Coconino, Gila	30 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 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.