Weather alerts in Arizona, 1990
178 weather alerts in 1990, 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 1990. Tap one for its archive.
- Alerts
- 178
- Warnings
- 178
- Watches
- 0
- Advisories
- 0
- Busiest month
- August77 alerts
- Busiest day
- July 14, 199022 alerts
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 |
|---|---|---|---|---|
| Apr 24, 12:25 PM MST | Flash Flood Warning | PSR | Pinal | 2 hr |
| May 28, 2:57 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jun 9, 8:25 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 65 min |
| Jun 9, 9:12 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 2, 6:01 PM MST | Flash Flood Warning | PSR | Gila | 59 min |
| Jul 2, 6:01 PM MST | Severe Thunderstorm Warning | PSR | Gila | 59 min |
| Jul 7, 11:31 AM MST | Flash Flood Warning | TWC | Pima | 119 min |
| Jul 7, 6:15 PM MST | Flash Flood Warning | FGZ | Navajo | 2 hr |
| Jul 7, 6:15 PM MST | Flash Flood Warning | FGZ | Apache | 2 hr |
| Jul 7, 6:16 PM MST | Flash Flood Warning | PSR | La Paz, Yavapai | 95 min |
| Jul 8, 4:10 AM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 8, 11:00 AM MST | Flash Flood Warning | FGZ | Navajo | 4 hr |
| Jul 10, 4:42 PM MST | Flash Flood Warning | PSR | Gila | 2 hr |
| Jul 10, 4:42 PM MST | Severe Thunderstorm Warning | PSR | Gila | 2 hr |
| Jul 10, 7:01 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 119 min |
| Jul 11, 9:10 PM MST | Severe Thunderstorm Warning | TWC | Pima | 65 min |
| Jul 12, 4:30 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 90 min |
| Jul 12, 9:52 PM MST | Flash Flood Warning | PSR | Yuma | 2 hr |
| Jul 12, 9:52 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Jul 13, 3:47 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 43 min |
| Jul 13, 4:27 PM MST | Tornado Warning | FGZ | Yavapai | 63 min |
| Jul 13, 6:40 PM MST | Flash Flood Warning | PSR | Yavapai | 2 hr |
| Jul 13, 6:40 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 2 hr |
| Jul 13, 8:03 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 117 min |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | La Paz, Yavapai | 117 min |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | Mohave | 117 min |
| Jul 13, 8:03 PM MST | Flash Flood Warning | PSR | Maricopa | 117 min |
| Jul 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 117 min |
| Jul 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 117 min |
| Jul 13, 8:44 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 13, 8:44 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 3 hr |
| Jul 13, 10:04 PM MST | Flash Flood Warning | FGZ | Navajo | 9 hr |
| Jul 13, 10:04 PM MST | Flash Flood Warning | FGZ | Apache | 9 hr |
| Jul 13, 10:42 PM MST | Flash Flood Warning | PSR | Mohave | 48 min |
| Jul 13, 10:42 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 48 min |
| Jul 13, 11:34 PM MST | Flash Flood Warning | PSR | Mohave | 116 min |
| Jul 14, 1:41 AM MST | Flash Flood Warning | PSR | La Paz, Mohave | 3 hr |
| Jul 14, 2:30 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 14, 2:30 AM MST | Severe Thunderstorm Warning | TWC | Pima | 2 hr |
| Jul 14, 5:17 AM MST | Flash Flood Warning | FGZ | Apache | 4 hr |
| Jul 14, 5:17 AM MST | Flash Flood Warning | FGZ | Navajo | 4 hr |
| Jul 14, 9:01 AM MST | Flash Flood Warning | FGZ | Navajo | 3 hr |
| Jul 14, 9:01 AM MST | Flash Flood Warning | FGZ | Apache | 3 hr |
| Jul 14, 11:07 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 14, 11:07 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 3 hr |
| Jul 14, 11:13 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Jul 14, 11:13 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 3 hr |
| Jul 15, 4:41 AM MST | Flash Flood Warning | PSR | Pinal | 4 hr |
| Jul 15, 6:13 AM MST | Flash Flood Warning | TWC | Pima | 4 hr |
| Jul 15, 12:44 PM MST | Flash Flood Warning | PSR | La Paz, Yuma | 3 hr |
| Jul 15, 7:20 PM MST | Flash Flood Warning | TWC | Santa Cruz | 85 min |
| Jul 18, 5:09 PM MST | Severe Thunderstorm Warning | TWC | Pima | 56 min |
| Jul 20, 5:45 AM MST | Flash Flood Warning | TWC | Pima | 75 min |
| Jul 21, 4:50 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 55 min |
| Jul 21, 8:56 PM MST | Flash Flood Warning | PSR | Maricopa | 79 min |
| Jul 22, 5:29 PM MST | Flash Flood Warning | PSR | Gila | 61 min |
| Jul 22, 10:36 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 22, 10:36 PM MST | Severe Thunderstorm Warning | TWC | Pima | 2 hr |
| Jul 23, 11:16 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 119 min |
| Jul 24, 1:25 AM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 110 min |
| Jul 24, 1:25 AM MST | Severe Thunderstorm Warning | FGZ | Maricopa | 110 min |
| Jul 24, 3:03 AM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 117 min |
| Jul 24, 3:03 AM MST | Severe Thunderstorm Warning | FGZ | Maricopa | 117 min |
| Jul 24, 3:03 AM MST | Flash Flood Warning | PSR | Yavapai | 117 min |
| Jul 24, 3:03 AM MST | Flash Flood Warning | PSR | Maricopa | 117 min |
| Jul 24, 7:11 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 24, 10:00 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 25, 12:33 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 117 min |
| Jul 25, 2:35 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 80 min |
| Jul 30, 6:05 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 115 min |
| Aug 1, 4:26 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Aug 1, 8:17 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 58 min |
| Aug 3, 5:54 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 2 hr |
| Aug 3, 7:25 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Aug 3, 7:56 PM MST | Severe Thunderstorm Warning | TWC | Pima | 94 min |
| Aug 3, 9:01 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 119 min |
| Aug 5, 4:38 PM MST | Severe Thunderstorm Warning | FGZ | Maricopa | 2 hr |
| Aug 5, 4:38 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 2 hr |
| Aug 5, 4:38 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 5, 4:38 PM MST | Flash Flood Warning | PSR | Yavapai | 2 hr |
| Aug 5, 5:24 PM MST | Flash Flood Warning | PSR | Pinal | 111 min |
| Aug 5, 5:24 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 111 min |
| Aug 5, 5:47 PM MST | Flash Flood Warning | PSR | Mohave | 2 hr |
| Aug 5, 5:47 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 118 min |
| Aug 5, 6:40 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 110 min |
| Aug 5, 6:40 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 110 min |
| Aug 5, 8:35 PM MST | Flash Flood Warning | PSR | La Paz | 85 min |
| Aug 5, 8:35 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 85 min |
| Aug 6, 3:00 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 3 hr |
| Aug 6, 3:00 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 3 hr |
| Aug 6, 3:40 PM MST | Flash Flood Warning | PSR | Maricopa | 110 min |
| Aug 6, 3:40 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 110 min |
| Aug 6, 5:25 PM MST | Flash Flood Warning | PSR | Maricopa | 75 min |
| Aug 6, 5:25 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 75 min |
| Aug 6, 5:25 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 110 min |
| Aug 6, 9:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 60 min |
| Aug 6, 9:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 50 min |
| Aug 9, 5:55 PM MST | Flash Flood Warning | PSR | Mohave | 78 min |
| Aug 11, 6:19 PM MST | Flash Flood Warning | PSR | Yuma | 116 min |
| Aug 11, 6:19 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 116 min |
| Aug 11, 6:26 PM MST | Flash Flood Warning | PSR | Maricopa | 64 min |
| Aug 11, 6:26 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 64 min |
| Aug 11, 6:55 PM MST | Flash Flood Warning | PSR | La Paz | 2 hr |
| Aug 11, 6:55 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 2 hr |
| Aug 11, 7:08 PM MST | Flash Flood Warning | PSR | Yuma | 2 hr |
| Aug 11, 7:08 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 11, 7:27 PM MST | Flash Flood Warning | PSR | Maricopa | 63 min |
| Aug 11, 7:27 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 63 min |
| Aug 11, 8:23 PM MST | Flash Flood Warning | PSR | Maricopa | 67 min |
| Aug 11, 8:23 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 67 min |
| Aug 11, 9:15 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 60 min |
| Aug 12, 4:07 AM MST | Flash Flood Warning | PSR | Mohave | 95 min |
| Aug 12, 6:22 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Aug 13, 4:38 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 13, 5:10 PM MST | Flash Flood Warning | FGZ | Navajo | 3 hr |
| Aug 13, 5:30 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 3 hr |
| Aug 13, 6:13 PM MST | Flash Flood Warning | FGZ | Navajo | 82 min |
| Aug 13, 6:13 PM MST | Flash Flood Warning | FGZ | Apache | 82 min |
| Aug 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 117 min |
| Aug 14, 8:15 AM MST | Flash Flood Warning | PSR | Gila, Maricopa, Pinal | 4 hr |
| Aug 14, 12:00 PM MST | Flash Flood Warning | PSR | Pinal | 3 hr |
| Aug 14, 12:00 PM MST | Flash Flood Warning | PSR | Yavapai | 3 hr |
| Aug 14, 12:00 PM MST | Flash Flood Warning | PSR | Maricopa | 2 hr |
| Aug 14, 2:18 PM MST | Flash Flood Warning | PSR | Yavapai | 3 hr |
| Aug 14, 2:18 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 14, 4:30 PM MST | Flash Flood Warning | PSR | La Paz, Yuma | 60 min |
| Aug 14, 4:30 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Yuma | 60 min |
| Aug 14, 7:36 PM MST | Flash Flood Warning | PSR | Yuma | 3 hr |
| Aug 15, 4:33 AM MST | Flash Flood Warning | PSR | Maricopa, Pinal | 4 hr |
| Aug 15, 3:29 PM MST | Flash Flood Warning | TWC | Cochise | 61 min |
| Aug 15, 3:39 PM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 2 hr |
| Aug 16, 3:31 PM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 119 min |
| Aug 20, 4:05 PM MST | Severe Thunderstorm Warning | PSR | Greenlee | 25 min |
| Aug 21, 8:21 PM MST | Flash Flood Warning | PSR | Graham | 2 hr |
| Aug 21, 8:21 PM MST | Severe Thunderstorm Warning | PSR | Graham | 2 hr |
| Aug 27, 3:50 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 115 min |
| Aug 27, 5:00 PM MST | Flash Flood Warning | PSR | Yuma | 2 hr |
| Aug 27, 5:00 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 27, 7:00 PM MST | Flash Flood Warning | PSR | Yuma | 60 min |
| Aug 27, 7:00 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 60 min |
| Aug 28, 5:09 PM MST | Severe Thunderstorm Warning | PSR | Gila | 2 hr |
| Aug 29, 8:59 PM MST | Flash Flood Warning | PSR | Graham | 61 min |
| Aug 29, 8:59 PM MST | Severe Thunderstorm Warning | PSR | Graham | 2 hr |
| Aug 29, 10:00 PM MST | Flash Flood Warning | PSR | Graham | 60 min |
| Aug 29, 10:00 PM MST | Severe Thunderstorm Warning | PSR | Graham | 45 min |
| Aug 30, 5:41 PM MST | Flash Flood Warning | TWC | Pima | 64 min |
| Aug 30, 5:41 PM MST | Severe Thunderstorm Warning | TWC | Pima | 64 min |
| Sep 3, 1:22 PM MST | Flash Flood Warning | PSR | Mohave | 68 min |
| Sep 3, 1:22 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 68 min |
| Sep 3, 1:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
| Sep 3, 2:18 PM MST | Flash Flood Warning | TWC | Pima | 57 min |
| Sep 3, 2:18 PM MST | Severe Thunderstorm Warning | TWC | Pima | 57 min |
| Sep 3, 3:41 PM MST | Flash Flood Warning | PSR | La Paz, Yuma | 2 hr |
| Sep 3, 3:41 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Yuma | 2 hr |
| Sep 3, 4:31 PM MST | Flash Flood Warning | PSR | Yuma | 119 min |
| Sep 3, 4:31 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 119 min |
| Sep 3, 4:45 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 2 hr |
| Sep 3, 5:18 PM MST | Tornado Warning | PSR | Maricopa | 27 min |
| Sep 4, 4:45 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 60 min |
| Sep 4, 5:44 PM MST | Flash Flood Warning | PSR | Pinal | 76 min |
| Sep 4, 5:44 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 76 min |
| Sep 14, 4:35 PM MST | Flash Flood Warning | PSR | Pinal | 115 min |
| Sep 14, 4:35 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 115 min |
| Sep 14, 5:55 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 65 min |
| Sep 14, 5:55 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 65 min |
| Sep 14, 6:31 PM MST | Flash Flood Warning | TWC | Pima | 59 min |
| Sep 14, 6:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
| Sep 14, 8:50 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 115 min |
| Sep 14, 9:20 PM MST | Flash Flood Warning | PSR | Gila, Maricopa, Pinal | 115 min |
| Sep 14, 9:20 PM MST | Severe Thunderstorm Warning | PSR | Gila, Pinal | 90 min |
| Sep 14, 9:20 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 115 min |
| Sep 14, 10:50 PM MST | Flash Flood Warning | PSR | Maricopa | 70 min |
| Sep 14, 10:50 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 115 min |
| Sep 17, 11:35 PM MST | Flash Flood Warning | PSR | Yavapai | 3 hr |
| Sep 18, 11:49 AM MST | Severe Thunderstorm Warning | TWC | Pima | 56 min |
| Oct 1, 4:16 PM MST | Flash Flood Warning | PSR | Yuma | 44 min |
| Oct 1, 4:16 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 44 min |
| Oct 19, 3:31 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 59 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 79 |
| Tornado Warning | 2 |
| Flooding | |
| Flash Flood Warning | 97 |
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 nowTornadoes on recordThe radar archive19891991
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.