Alert archive / Arizona / Mesoscale Discussions
Mesoscale Discussions in Arizona, 2004
40 mesoscale discussions in 2004. 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 2004. Tap one for its archive.
- Mesoscale Discussions
- 40
- Busiest month
- July16 mesoscale discussions
- Busiest day
- July 15, 20043 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 |
|---|---|---|---|---|
| Feb 3, 4:16 AM MST | Mesoscale Discussion | SPC | Coconino, Yavapai | 4 hr |
| Apr 1, 2:39 PM MST | Mesoscale Discussion | SPC | Cochise, Pima, Pinal, Santa Cruz | 96 min |
| Apr 10, 11:16 AM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Maricopa, Pima, Pinal and 1 more | 2 hr |
| Apr 10, 5:06 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Pima, Pinal | 84 min |
| Apr 11, 10:34 AM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee | 116 min |
| Jun 23, 2:08 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Jul 13, 3:55 PM MST | Mesoscale Discussion | SPC | Apache, Cochise, Coconino, Gila, Graham, Greenlee and 6 more | 2 hr |
| Jul 14, 1:36 PM MST | Mesoscale Discussion | SPC | Coconino, Mohave | 84 min |
| Jul 15, 11:01 AM MST | Mesoscale Discussion | SPC | Mohave | 2 hr |
| Jul 15, 11:39 AM MST | Mesoscale Discussion | SPC | Mohave | 3 hr |
| Jul 15, 3:46 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more | 119 min |
| Jul 16, 1:14 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Maricopa, Pinal, Yavapai | 3 hr |
| Jul 16, 3:50 PM MST | Mesoscale Discussion | SPC | Mohave | 85 min |
| Jul 16, 6:58 PM MST | Mesoscale Discussion | SPC | Pima | 32 min |
| Jul 23, 4:15 PM MST | Mesoscale Discussion | SPC | Maricopa | 60 min |
| Jul 24, 4:03 PM MST | Mesoscale Discussion | SPC | Yavapai | 2 hr |
| Jul 24, 6:06 PM MST | Mesoscale Discussion | SPC | Pima, Pinal | 114 min |
| Jul 25, 2:46 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 119 min |
| Jul 26, 4:10 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 2 hr |
| Jul 27, 11:34 AM MST | Mesoscale Discussion | SPC | Apache, Gila, Greenlee, Mohave, Navajo, Yavapai | 2 hr |
| Jul 27, 6:03 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Greenlee, Yavapai | 87 min |
| Jul 28, 11:26 AM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Pinal | 2 hr |
| Aug 9, 3:06 PM MST | Mesoscale Discussion | SPC | Gila, Pima, Pinal, Santa Cruz | 114 min |
| Aug 12, 3:01 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pinal, Yavapai | 2 hr |
| Aug 13, 11:25 AM MST | Mesoscale Discussion | SPC | La Paz, Maricopa, Pima, Yuma | 3 hr |
| Aug 16, 10:39 AM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee, Maricopa, Pima, Pinal and 1 more | 66 min |
| Aug 16, 10:54 AM MST | Mesoscale Discussion | SPC | Mohave | 2 hr |
| Aug 16, 5:29 PM MST | Mesoscale Discussion | SPC | Maricopa | 2 hr |
| Aug 17, 11:38 AM MST | Mesoscale Discussion | SPC | Apache, Cochise, Coconino, Gila, Graham, Greenlee and 5 more | 3 hr |
| Aug 17, 1:17 PM MST | Mesoscale Discussion | SPC | Mohave | 118 min |
| Aug 31, 12:51 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Greenlee | 114 min |
| Sep 3, 12:27 PM MST | Mesoscale Discussion | SPC | Apache, Cochise, Graham, Greenlee, Santa Cruz | 2 hr |
| Sep 4, 7:55 AM MST | Mesoscale Discussion | SPC | Apache, Gila, Graham, Greenlee | 2 hr |
| Sep 11, 12:59 PM MST | Mesoscale Discussion | SPC | Coconino, La Paz, Mohave, Yavapai | 2 hr |
| Sep 18, 12:14 PM MST | Mesoscale Discussion | SPC | Coconino, La Paz, Maricopa, Mohave, Pima, Yavapai and 1 more | 91 min |
| Sep 19, 3:54 AM MST | Mesoscale Discussion | SPC | Yavapai | 66 min |
| Oct 21, 1:34 PM MST | Mesoscale Discussion | SPC | Gila, Pima, Pinal | 116 min |
| Nov 21, 9:30 AM MST | Mesoscale Discussion | SPC | Coconino, Mohave | 6 hr |
| Nov 22, 2:31 PM MST | Mesoscale Discussion | SPC | Graham, Greenlee | 2 hr |
| Dec 5, 9:57 PM MST | Mesoscale Discussion | SPC | Gila, Graham, Greenlee | 6 hr |
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 archive20032005
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.