Alert archive / Arizona / Mesoscale Discussions
Mesoscale Discussions in Arizona, 2019
23 mesoscale discussions in 2019. 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 2019. Tap one for its archive.
- Mesoscale Discussions
- 23
- Busiest month
- September12 mesoscale discussions
- Busiest day
- July 23, 20193 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 |
|---|---|---|---|---|
| Jul 22, 3:22 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Pima, Pinal and 1 more | 113 min |
| Jul 22, 6:25 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pima, Pinal, Santa Cruz | 95 min |
| Jul 22, 9:02 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 88 min |
| Jul 23, 12:06 PM MST | Mesoscale Discussion | SPC | Mohave | 114 min |
| Jul 23, 6:13 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Yavapai | 92 min |
| Jul 29, 3:15 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Jul 30, 3:00 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Santa Cruz | 2 hr |
| Sep 1, 1:34 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pinal | 116 min |
| Sep 1, 5:25 PM MST | Mesoscale Discussion | SPC | La Paz, Maricopa, Yavapai, Yuma | 2 hr |
| Sep 14, 1:21 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pima, Pinal | 114 min |
| Sep 14, 4:53 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 2 hr |
| Sep 14, 7:40 PM MST | Mesoscale Discussion | SPC | Maricopa | 95 min |
| Sep 16, 2:22 PM MST | Mesoscale Discussion | SPC | Pima, Pinal, Santa Cruz | 83 min |
| Sep 23, 7:59 AM MST | Mesoscale Discussion | SPC | La Paz, Maricopa, Pima, Pinal, Yuma | 2 hr |
| Sep 23, 11:37 AM MST | Mesoscale Discussion | SPC | Gila, La Paz, Maricopa, Pinal, Yavapai | 83 min |
| Sep 23, 3:05 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pinal, Yavapai | 115 min |
| Sep 23, 6:02 PM MST | Mesoscale Discussion | SPC | La Paz, Maricopa, Pinal | 118 min |
| Sep 24, 2:46 AM MST | Mesoscale Discussion | SPC | Cochise, Pima, Pinal, Santa Cruz, Yuma | 89 min |
| Sep 25, 3:48 PM MST | Mesoscale Discussion | SPC | La Paz, Maricopa, Pima, Pinal, Santa Cruz, Yuma | 87 min |
| Nov 6, 2:49 PM MST | Mesoscale Discussion | SPC | Apache, Gila, Graham, Greenlee, Navajo | 86 min |
| Nov 21, 3:26 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 94 min |
| Nov 29, 1:06 AM MST | Mesoscale Discussion | SPC | Coconino, Gila, Mohave, Yavapai | 6 hr |
| Nov 29, 3:52 AM MST | Mesoscale Discussion | SPC | Pima, Pinal | 83 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 nowTornadoes on recordThe radar archive20182020
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.