Alert archive / Arizona / Mesoscale Discussions

Mesoscale Discussions in Arizona, 2017

17 mesoscale discussions in 2017. 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 2017. Tap one for its archive.

Mesoscale Discussions
17
Busiest month
July9 mesoscale discussions
Busiest day
July 14, 20172 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 14, 2:34 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Greenlee, Yavapai2 hr
Apr 3, 4:44 PM MSTMesoscale DiscussionSPCYavapai91 min
May 6, 2:30 PM MSTMesoscale DiscussionSPCApache60 min
Jul 9, 1:02 PM MSTMesoscale DiscussionSPCPima, Pinal, Santa Cruz2 hr
Jul 13, 6:39 PM MSTMesoscale DiscussionSPCSanta Cruz96 min
Jul 14, 2:55 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Greenlee, Maricopa, Pima and 3 more65 min
Jul 14, 6:14 PM MSTMesoscale DiscussionSPCMaricopa, Pima, Pinal91 min
Jul 16, 1:25 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, La Paz, Maricopa, Mohave and 4 more65 min
Jul 16, 8:32 PM MSTMesoscale DiscussionSPCMaricopa118 min
Jul 17, 2:44 PM MSTMesoscale DiscussionSPCLa Paz, Mohave91 min
Jul 18, 11:16 AM MSTMesoscale DiscussionSPCCochise, Coconino, Gila, Graham, Maricopa, Mohave and 3 more2 hr
Jul 19, 12:05 PM MSTMesoscale DiscussionSPCCochise, Coconino, Gila, Graham, Maricopa, Pima and 3 more2 hr
Aug 2, 3:22 PM MSTMesoscale DiscussionSPCMohave2 hr
Sep 4, 3:10 PM MSTMesoscale DiscussionSPCCochise, Gila, Graham, Maricopa, Mohave, Pima and 3 more3 hr
Sep 8, 2:15 PM MSTMesoscale DiscussionSPCLa Paz3 hr
Sep 14, 12:44 PM MSTMesoscale DiscussionSPCCoconino3 hr
Sep 29, 2:43 PM MSTMesoscale DiscussionSPCCochise, Graham, Greenlee2 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.

  1. July 14, 20172mesoscale discussions
  2. July 17, 20172mesoscale discussions
  3. January 14, 20171mesoscale discussions
  4. April 3, 20171mesoscale discussions
  5. May 6, 20171mesoscale discussions
  6. July 9, 20171mesoscale discussions
  7. July 15, 20171mesoscale discussions
  8. July 16, 20171mesoscale discussions
  9. July 18, 20171mesoscale discussions
  10. July 19, 20171mesoscale discussions
  11. August 2, 20171mesoscale discussions
  12. September 4, 20171mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.