Alert archive

Special Weather Statements in the United States

743,866 special weather statements since 1986. Each alert counts once, however many counties it covered. The archive of special weather statements reaches back to 2006.

Special Weather Statements by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Special Weather Statements
743,866
Busiest year
202355,155 special weather statements
Average year
33,812over 22 years on file
Busiest day
June 30, 2015684 special weather statements

Over time

By year

Only statements with a storm outline are archived, which offices began using widely after 2006.

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.

13 more states

The busiest days

Days with the most alerts issued, by UTC date.

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.