Alert archive / Areal Flood Warnings

Areal Flood Warnings in the United States, 2019

2,435 areal flood warnings in 2019. 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
2,435
Busiest month
May501 areal flood warnings
Busiest day
May 21, 201954 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.

12 more states

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowThe tornado archiveThe radar archive20182020

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.