Alert archive / Frost Advisories

Frost Advisories in the United States, 2020

667 frost advisories in 2020. Each alert counts once, however many counties it covered. The archive of frost advisories reaches back to 2005.

Frost Advisories by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Frost Advisories
667
Busiest month
October157 frost advisories
Busiest day
May 9, 202022 frost advisories

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.

5 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 9, 202022frost advisories
  2. October 15, 202021frost advisories
  3. October 16, 202020frost advisories
  4. May 8, 202019frost advisories
  5. October 2, 202018frost advisories
  6. May 11, 202018frost advisories
  7. September 18, 202018frost advisories
  8. April 15, 202017frost advisories
  9. September 19, 202017frost advisories
  10. October 1, 202016frost advisories
  11. May 6, 202016frost advisories
  12. May 12, 202016frost advisories
  13. October 4, 202015frost advisories
  14. April 10, 202015frost advisories
  15. September 20, 202012frost advisories

Nearby

Alerts in force nowThe tornado archiveThe radar archive20192021

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.