Alert archive / Arizona / Maricopa County / Mesoscale Discussions

Mesoscale Discussions in Maricopa County, Arizona, 2021

13 mesoscale discussions in 2021. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Maricopa County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Mesoscale Discussions
13
Busiest month
August6 mesoscale discussions
Busiest day
October 5, 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.

IssuedProductOfficeLasted
Jul 3, 4:21 PM MSTMesoscale DiscussionSPC2 hr
Jul 9, 10:21 PM MSTMesoscale DiscussionSPC54 min
Jul 10, 6:55 PM MSTMesoscale DiscussionSPC2 hr
Aug 13, 3:56 PM MSTMesoscale DiscussionSPC64 min
Aug 13, 9:24 PM MSTMesoscale DiscussionSPC66 min
Aug 14, 4:34 PM MSTMesoscale DiscussionSPC116 min
Aug 16, 3:01 PM MSTMesoscale DiscussionSPC59 min
Aug 16, 6:21 PM MSTMesoscale DiscussionSPC84 min
Aug 16, 11:39 PM MSTMesoscale DiscussionSPC96 min
Oct 5, 11:18 AM MSTMesoscale DiscussionSPC117 min
Oct 5, 1:55 PM MSTMesoscale DiscussionSPC95 min
Oct 5, 3:53 PM MSTMesoscale DiscussionSPC97 min
Oct 5, 5:51 PM MSTMesoscale DiscussionSPC54 min

The busiest days

Days with the most alerts issued, by UTC date.

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

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.