Alert archive / Arizona / Mesoscale Discussions

Mesoscale Discussions in Arizona, 2021

31 mesoscale discussions in 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 2021. Tap one for its archive.

Mesoscale Discussions
31
Busiest month
July11 mesoscale discussions
Busiest day
August 14, 20213 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.

IssuedProductOfficeCountiesLasted
Jan 25, 1:48 PM MSTMesoscale DiscussionSPCPima, Pinal117 min
Feb 13, 4:38 PM MSTMesoscale DiscussionSPCGila, Yavapai2 hr
Jul 3, 4:21 PM MSTMesoscale DiscussionSPCMaricopa2 hr
Jul 9, 10:21 PM MSTMesoscale DiscussionSPCMaricopa, Pinal54 min
Jul 10, 2:48 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Pinal117 min
Jul 10, 6:55 PM MSTMesoscale DiscussionSPCGila, Graham, Maricopa, Pima, Pinal, Santa Cruz2 hr
Jul 11, 3:59 PM MSTMesoscale DiscussionSPCGila, Yavapai2 hr
Jul 12, 4:20 PM MSTMesoscale DiscussionSPCGila, Graham, Greenlee, Pinal115 min
Jul 13, 3:56 PM MSTMesoscale DiscussionSPCGila, Graham, Greenlee, Santa Cruz2 hr
Jul 22, 3:35 PM MSTMesoscale DiscussionSPCGraham, Pima, Pinal, Santa Cruz85 min
Jul 24, 1:01 PM MSTMesoscale DiscussionSPCApache, Coconino, Mohave, Navajo119 min
Jul 25, 4:36 PM MSTMesoscale DiscussionSPCMohave114 min
Jul 25, 7:45 PM MSTMesoscale DiscussionSPCMohave90 min
Aug 10, 3:40 PM MSTMesoscale DiscussionSPCLa Paz2 hr
Aug 13, 3:56 PM MSTMesoscale DiscussionSPCCochise, Graham, Maricopa, Pima, Pinal, Santa Cruz64 min
Aug 13, 9:24 PM MSTMesoscale DiscussionSPCGila, La Paz, Maricopa, Pinal, Yuma66 min
Aug 14, 12:51 AM MSTMesoscale DiscussionSPCYuma84 min
Aug 14, 4:34 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Greenlee, La Paz, Maricopa and 4 more116 min
Aug 15, 1:41 PM MSTMesoscale DiscussionSPCMohave, Yavapai2 hr
Aug 15, 8:50 PM MSTMesoscale DiscussionSPCPinal55 min
Aug 16, 3:01 PM MSTMesoscale DiscussionSPCGila, Graham, Maricopa, Pinal, Yavapai59 min
Aug 16, 6:21 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more84 min
Aug 16, 9:23 PM MSTMesoscale DiscussionSPCPinal97 min
Aug 16, 11:39 PM MSTMesoscale DiscussionSPCMaricopa96 min
Sep 18, 10:59 AM MSTMesoscale DiscussionSPCCoconino2 hr
Sep 26, 2:39 PM MSTMesoscale DiscussionSPCCochise96 min
Oct 5, 11:18 AM MSTMesoscale DiscussionSPCCoconino, La Paz, Maricopa, Mohave, Yavapai117 min
Oct 5, 1:55 PM MSTMesoscale DiscussionSPCCoconino, Gila, Graham, La Paz, Maricopa, Mohave and 4 more95 min
Oct 5, 3:53 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more97 min
Oct 5, 5:45 PM MSTMesoscale DiscussionSPCApache, Greenlee90 min
Oct 5, 5:51 PM MSTMesoscale DiscussionSPCMaricopa54 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.

  1. August 14, 20213mesoscale discussions
  2. August 17, 20213mesoscale discussions
  3. October 5, 20213mesoscale discussions
  4. July 10, 20212mesoscale discussions
  5. July 11, 20212mesoscale discussions
  6. August 16, 20212mesoscale discussions
  7. October 6, 20212mesoscale discussions
  8. January 25, 20211mesoscale discussions
  9. February 13, 20211mesoscale discussions
  10. July 3, 20211mesoscale discussions
  11. July 12, 20211mesoscale discussions
  12. July 13, 20211mesoscale discussions

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. Rebuilt daily.