Alert archive / Areal Flood Warnings

Areal Flood Warnings in the United States, 2018

2,595 areal flood warnings in 2018. Each alert counts once, however many counties it covered. The archive of areal flood warnings reaches back to 2005.

Areal Flood Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Areal Flood Warnings
2,595
Busiest month
September391 areal flood warnings
Busiest day
January 12, 201846 areal flood 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. January 12, 201846areal flood warnings
  2. January 13, 201846areal flood warnings
  3. December 21, 201845areal flood warnings
  4. February 23, 201843areal flood warnings
  5. September 9, 201843areal flood warnings
  6. February 25, 201840areal flood warnings
  7. February 22, 201839areal flood warnings
  8. May 19, 201838areal flood warnings
  9. February 11, 201834areal flood warnings
  10. April 16, 201834areal flood warnings
  11. October 12, 201833areal flood warnings
  12. December 28, 201833areal flood warnings
  13. September 17, 201832areal flood warnings
  14. October 11, 201831areal flood warnings
  15. June 22, 201831areal flood warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive20172019

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.