Alert archive / Arizona / Mesoscale Discussions / 2021
Mesoscale Discussions in Arizona, August 2021
11 mesoscale discussions in August 2021. 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 August 2021. Tap one for its archive.
- Mesoscale Discussions
- 11
- Busiest day
- August 14, 20213 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 10, 3:40 PM MST | Mesoscale Discussion | SPC | La Paz | 2 hr |
| Aug 13, 3:56 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Maricopa, Pima, Pinal, Santa Cruz | 64 min |
| Aug 13, 9:24 PM MST | Mesoscale Discussion | SPC | Gila, La Paz, Maricopa, Pinal, Yuma | 66 min |
| Aug 14, 12:51 AM MST | Mesoscale Discussion | SPC | Yuma | 84 min |
| Aug 14, 4:34 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, La Paz, Maricopa and 4 more | 116 min |
| Aug 15, 1:41 PM MST | Mesoscale Discussion | SPC | Mohave, Yavapai | 2 hr |
| Aug 15, 8:50 PM MST | Mesoscale Discussion | SPC | Pinal | 55 min |
| Aug 16, 3:01 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Maricopa, Pinal, Yavapai | 59 min |
| Aug 16, 6:21 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more | 84 min |
| Aug 16, 9:23 PM MST | Mesoscale Discussion | SPC | Pinal | 97 min |
| Aug 16, 11:39 PM MST | Mesoscale Discussion | SPC | Maricopa | 96 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.