Alert archive / Flash Flood Warnings

Flash Flood Warnings in the United States, 2007

4,394 flash flood warnings in 2007. Each alert counts once, however many counties it covered. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Flash Flood Warnings
4,394
Busiest month
July1,106 flash flood warnings
Busiest day
June 28, 200784 flash 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.

13 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 28, 200784flash flood warnings
  2. May 6, 200777flash flood warnings
  3. July 25, 200774flash flood warnings
  4. July 3, 200770flash flood warnings
  5. July 6, 200770flash flood warnings
  6. June 27, 200768flash flood warnings
  7. August 2, 200768flash flood warnings
  8. June 30, 200760flash flood warnings
  9. July 2, 200760flash flood warnings
  10. May 25, 200757flash flood warnings
  11. July 4, 200757flash flood warnings
  12. July 5, 200757flash flood warnings
  13. March 30, 200756flash flood warnings
  14. July 28, 200754flash flood warnings
  15. June 29, 200753flash flood warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive20062008

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.