Alert archive / Tornado Warnings

Tornado Warnings in the United States, 2004

3,600 tornado warnings in 2004. Each alert counts once, however many counties it covered. The archive of tornado warnings reaches back to 1986.

Tornado Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Tornado Warnings
3,600
Busiest month
May1,030 tornado warnings
Busiest day
May 30, 2004228 tornado warnings

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.

7 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 30, 2004228tornado warnings
  2. November 24, 2004146tornado warnings
  3. May 31, 2004119tornado warnings
  4. October 19, 200494tornado warnings
  5. September 17, 200490tornado warnings
  6. September 7, 200489tornado warnings
  7. September 16, 200484tornado warnings
  8. May 24, 200480tornado warnings
  9. May 23, 200478tornado warnings
  10. September 6, 200474tornado warnings
  11. May 25, 200471tornado warnings
  12. May 22, 200469tornado warnings
  13. May 27, 200466tornado warnings
  14. May 29, 200465tornado warnings
  15. October 18, 200452tornado warnings

Nearby

Alerts in force nowThe tornado archiveThe 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. Rebuilt daily.