Alert archive / Mesoscale Discussions

Mesoscale Discussions in the United States, 2010

2,165 mesoscale discussions in 2010. Each alert counts once, however many counties it covered. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by state

Each state shaded by its count. Tap a state for its own archive.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Mesoscale Discussions
2,165
Busiest month
June408 mesoscale discussions
Busiest day
April 24, 201027 mesoscale discussions

Over time

By month

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

8 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 24, 201027mesoscale discussions
  2. May 24, 201022mesoscale discussions
  3. May 1, 201021mesoscale discussions
  4. June 22, 201021mesoscale discussions
  5. June 23, 201021mesoscale discussions
  6. July 20, 201021mesoscale discussions
  7. December 31, 201020mesoscale discussions
  8. January 21, 201020mesoscale discussions
  9. May 13, 201020mesoscale discussions
  10. June 17, 201020mesoscale discussions
  11. August 4, 201020mesoscale discussions
  12. May 2, 201019mesoscale discussions
  13. October 26, 201018mesoscale discussions
  14. April 25, 201018mesoscale discussions
  15. June 18, 201018mesoscale discussions

Nearby

Alerts in force nowThe tornado archiveThe radar archive20092011

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.