Alert archive / Ashfall Advisories
Ashfall Advisories in the United States, 2026
8 ashfall advisories in 2026. Each alert counts once, however many counties it covered. The last few weeks are still filling in as offices finish their follow-ups. 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.
- Ashfall Advisories
- 8
- Busiest month
- January2 ashfall advisories
- Busiest day
- March 10, 20262 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.
Nearby
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. Warning verification from the Mesonet's Cow. Rebuilt daily.