NOAA Air Resources Laboratory

Volcanic Ash Transport And Dispersion

NOTE: On January 25, 2005, NOAA NCEP began running HYSPLIT instead of VAFTAD for volcanic ash dispersion modeling.

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Current eruptions

Hypothetical eruptions
Volcanic Eruption
Run HYSPLIT model (volcanic ash)

Volcanic Ash Modeling Information
HYSPLIT Information
Volcanic Ash Advisory Centers
National Volcanic Ash Operations Plan for Aviation
Volcano links

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