Alert archive / Ashfall Advisories

Ashfall Advisories in the United States, 2009

11 ashfall advisories in 2009. Each alert counts once, however many counties it covered. The archive of ashfall advisories reaches back to 2005.

Ashfall Advisories by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Ashfall Advisories
11
Busiest month
March10 ashfall advisories
Busiest day
March 23, 20092 ashfall 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.

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 23, 20092ashfall advisories
  2. March 24, 20092ashfall advisories
  3. March 27, 20092ashfall advisories
  4. March 28, 20092ashfall advisories
  5. March 26, 20091ashfall advisories
  6. March 29, 20091ashfall advisories
  7. April 4, 20091ashfall advisories

Nearby

Alerts in force nowThe tornado archiveThe radar archive20082010

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.