Alert archive / Red Flag Warnings

Red Flag Warnings in the United States, 2023

887 red flag warnings in 2023. Each alert counts once, however many counties it covered. The archive of red flag warnings reaches back to 2005.

Red Flag Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Red Flag Warnings
887
Busiest month
April216 red flag warnings
Busiest day
April 12, 202335 red flag 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.

9 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 12, 202335red flag warnings
  2. April 11, 202319red flag warnings
  3. April 3, 202316red flag warnings
  4. April 18, 202316red flag warnings
  5. April 19, 202316red flag warnings
  6. April 2, 202314red flag warnings
  7. April 14, 202313red flag warnings
  8. August 29, 202313red flag warnings
  9. February 27, 202312red flag warnings
  10. March 29, 202312red flag warnings
  11. August 20, 202312red flag warnings
  12. August 31, 202312red flag warnings
  13. March 30, 202311red flag warnings
  14. April 7, 202311red flag warnings
  15. August 7, 202311red flag warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive20222024

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.