Alert archive / Arizona / Mesoscale Discussions
Mesoscale Discussions in Arizona, 2026
34 mesoscale discussions in 2026. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Mesoscale Discussions
- 34
- Busiest month
- August20 mesoscale discussions
- Busiest day
- July 12, 20264 mesoscale discussions
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 17, 12:16 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee, Santa Cruz | 119 min |
| Jul 8, 1:44 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Jul 9, 1:45 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee, Santa Cruz | 2 hr |
| Jul 10, 3:37 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee | 113 min |
| Jul 11, 2:25 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Santa Cruz | 2 hr |
| Jul 11, 5:22 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 113 min |
| Jul 11, 7:41 PM MST | Mesoscale Discussion | SPC | Cochise, Pima, Pinal, Santa Cruz | 2 hr |
| Jul 12, 12:49 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Santa Cruz | 116 min |
| Jul 12, 4:43 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Santa Cruz, Yavapai | 92 min |
| Jul 13, 12:54 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pinal | 3 hr |
| Jul 15, 4:17 PM MST | Mesoscale Discussion | SPC | Gila, Graham, La Paz, Maricopa, Pima, Pinal and 1 more | 118 min |
| Jul 25, 2:41 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pinal | 2 hr |
| Jul 27, 3:24 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Pinal, Santa Cruz | 3 hr |
| Aug 2, 1:16 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 119 min |
| Aug 3, 1:21 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 114 min |
| Aug 4, 1:46 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee, Pima, Santa Cruz | 89 min |
| Aug 4, 5:51 PM MST | Mesoscale Discussion | SPC | Cochise, Santa Cruz | 114 min |
| Aug 5, 4:15 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Maricopa, Pima, Pinal and 1 more | 2 hr |
| Aug 5, 9:47 PM MST | Mesoscale Discussion | SPC | Cochise, Pima, Santa Cruz | 88 min |
| Aug 7, 8:35 PM MST | Mesoscale Discussion | SPC | Pinal | 115 min |
| Aug 8, 3:44 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Yavapai | 91 min |
| Aug 9, 2:47 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Maricopa, Pima, Pinal, Santa Cruz | 118 min |
| Aug 10, 2:54 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pima, Pinal, Santa Cruz | 3 hr |
| Aug 10, 7:20 PM MST | Mesoscale Discussion | SPC | Pima, Pinal | 85 min |
| Aug 12, 1:41 PM MST | Mesoscale Discussion | SPC | La Paz, Mohave | 2 hr |
| Aug 14, 1:14 PM MST | Mesoscale Discussion | SPC | Mohave | 2 hr |
| Aug 19, 1:08 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Santa Cruz | 3 hr |
| Aug 19, 7:00 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Aug 23, 1:48 PM MST | Mesoscale Discussion | SPC | Pima, Pinal, Santa Cruz | 2 hr |
| Aug 23, 7:27 PM MST | Mesoscale Discussion | SPC | Pinal | 93 min |
| Aug 29, 10:56 AM MST | Mesoscale Discussion | SPC | Coconino, Gila, Maricopa, Pima, Pinal, Santa Cruz and 1 more | 3 hr |
| Aug 31, 10:38 AM MST | Mesoscale Discussion | SPC | Mohave | 3 hr |
| Aug 31, 2:55 PM MST | Mesoscale Discussion | SPC | La Paz, Yuma | 95 min |
| Sep 29, 1:26 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Santa Cruz | 94 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
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.