Alert archive

Coastal Flood Warnings in the United States

1,256 coastal flood warnings since 1986. Each alert counts once, however many counties it covered. The archive of coastal flood warnings reaches back to 2005.

Coastal Flood Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Coastal Flood Warnings
1,256
Busiest year
2024124 coastal flood warnings
Average year
60over 21 years on file
Busiest day
December 17, 202310 coastal flood warnings

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By state

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 17, 202310coastal flood warnings
  2. January 8, 202410coastal flood warnings
  3. March 4, 20187coastal flood warnings
  4. December 22, 20227coastal flood warnings
  5. March 9, 20247coastal flood warnings
  6. April 16, 20116coastal flood warnings
  7. February 8, 20166coastal flood warnings
  8. January 16, 20226coastal flood warnings
  9. April 18, 20075coastal flood warnings
  10. September 30, 20105coastal flood warnings
  11. October 28, 20125coastal flood warnings
  12. March 1, 20185coastal flood warnings
  13. August 3, 20205coastal flood warnings
  14. September 20, 20205coastal flood warnings
  15. September 22, 20205coastal flood warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive

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.