Alert archive

Freeze Warnings in the United States

11,360 freeze warnings since 1986. Each alert counts once, however many counties it covered. The archive of freeze warnings reaches back to 2005.

Freeze Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Freeze Warnings
11,360
Busiest year
2012727 freeze warnings
Average year
516over 22 years on file
Busiest day
October 18, 202238 freeze warnings

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

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.

10 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. October 18, 202238freeze warnings
  2. April 7, 200737freeze warnings
  3. April 6, 200736freeze warnings
  4. October 17, 201534freeze warnings
  5. April 11, 201233freeze warnings
  6. April 21, 202132freeze warnings
  7. October 30, 202332freeze warnings
  8. October 27, 201731freeze warnings
  9. April 10, 201230freeze warnings
  10. March 18, 202330freeze warnings
  11. April 5, 200729freeze warnings
  12. April 15, 201429freeze warnings
  13. October 28, 200828freeze warnings
  14. October 27, 200827freeze warnings
  15. April 1, 202127freeze warnings

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.