Alert archive / River Flood Warnings

River Flood Warnings in the United States, 2012

1,422 river flood warnings in 2012. Each alert counts once, however many counties it covered. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
River Flood Warnings
1,422
Busiest month
March383 river flood warnings
Busiest day
March 20, 2012120 river 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.

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 20, 2012120river flood warnings
  2. January 25, 201254river flood warnings
  3. October 29, 201242river flood warnings
  4. March 22, 201241river flood warnings
  5. March 21, 201233river flood warnings
  6. January 26, 201232river flood warnings
  7. February 18, 201231river flood warnings
  8. August 30, 201230river flood warnings
  9. January 19, 201223river flood warnings
  10. May 6, 201222river flood warnings
  11. October 30, 201220river flood warnings
  12. January 27, 201220river flood warnings
  13. February 19, 201220river flood warnings
  14. March 30, 201220river flood warnings
  15. April 15, 201220river flood warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive20112013

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.