Mesoscale Discussions in Arizona
616 mesoscale discussions since 1986. 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 since 1986. Tap one for its archive.
- Mesoscale Discussions
- 616
- Busiest year
- 200650 mesoscale discussions
- Average year
- 26over 24 years on file
Over time
By year
Mesoscale discussions are counted from 2003.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
The latest mesoscale discussions
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 2:55 PM MST | Mesoscale Discussion | SPC | La Paz, Yuma | 95 min |
| Aug 31, 10:38 AM MST | Mesoscale Discussion | SPC | Mohave | 3 hr |
| Aug 29, 10:56 AM MST | Mesoscale Discussion | SPC | Coconino, Gila, Maricopa, Pima, Pinal, Santa Cruz and 1 more | 3 hr |
| Aug 23, 7:27 PM MST | Mesoscale Discussion | SPC | Pinal | 93 min |
| Aug 23, 1:48 PM MST | Mesoscale Discussion | SPC | Pima, Pinal, Santa Cruz | 2 hr |
| Aug 19, 7:00 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Aug 19, 1:08 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Santa Cruz | 3 hr |
| Aug 14, 1:14 PM MST | Mesoscale Discussion | SPC | Mohave | 2 hr |
| Aug 12, 1:41 PM MST | Mesoscale Discussion | SPC | La Paz, Mohave | 2 hr |
| Aug 10, 7:20 PM MST | Mesoscale Discussion | SPC | Pima, Pinal | 85 min |
| Aug 10, 2:54 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pima, Pinal, Santa Cruz | 3 hr |
| Aug 9, 2:47 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Maricopa, Pima, Pinal, Santa Cruz | 118 min |
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.