Alert archive / Red Flag Warnings

Red Flag Warnings in the United States, 2010

1,684 red flag warnings in 2010. 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
1,684
Busiest month
April275 red flag warnings
Busiest day
March 30, 201032 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.

10 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 30, 201032red flag warnings
  2. April 2, 201026red flag warnings
  3. March 31, 201021red flag warnings
  4. October 21, 201020red flag warnings
  5. April 3, 201020red flag warnings
  6. October 15, 201019red flag warnings
  7. November 7, 201019red flag warnings
  8. April 27, 201019red flag warnings
  9. March 29, 201018red flag warnings
  10. April 1, 201018red flag warnings
  11. October 29, 201016red flag warnings
  12. October 14, 201015red flag warnings
  13. November 9, 201015red flag warnings
  14. October 27, 201014red flag warnings
  15. April 17, 201014red flag warnings

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.