Alert archive / Blizzard Warnings

Blizzard Warnings in the United States, 2020

96 blizzard warnings in 2020. Each alert counts once, however many counties it covered. The archive of blizzard warnings reaches back to 2005.

Blizzard Warnings by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Blizzard Warnings
96
Busiest month
February24 blizzard warnings
Busiest day
December 23, 20207 blizzard 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.

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 23, 20207blizzard warnings
  2. January 17, 20206blizzard warnings
  3. December 22, 20204blizzard warnings
  4. February 11, 20204blizzard warnings
  5. February 26, 20203blizzard warnings
  6. March 19, 20203blizzard warnings
  7. November 7, 20202blizzard warnings
  8. December 26, 20202blizzard warnings
  9. January 1, 20202blizzard warnings
  10. February 8, 20202blizzard warnings
  11. February 16, 20202blizzard warnings
  12. February 20, 20202blizzard warnings
  13. February 24, 20202blizzard warnings
  14. February 25, 20202blizzard warnings
  15. February 29, 20202blizzard warnings

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.