Forecast Trajectory Maps for Volcanoes
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NOTE: these trajectories are from https://nomads.ncep.noaa.gov/pub/data/nccf/com/hysplit/prod/traj.YYYYMMDD
Time help (UTC=GMT; local)
Updated on Fri Jul 30 10:55:25 UTC 2021
txt - Trajectory endpoints format help
Forecast trajectories summarized above come from https://nomads.ncep.noaa.gov/pub/data/nccf/com/hysplit/prod/traj.YYYYMMDD. The 6-h duration forward trajectories begin at the specified number of hours after the start of the meteorological model initialization. The trajectories are computed using meteorological fields output from the NOAA National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) forecast model. Details on the GFS gridded data used in these calculations are available on the meteorological forecast data web page. Trajectories starting at different heights are shown in different colors. The trajectory endpoints are plotted on maps (gif), displayed in text files (txt), and can be viewed in Google Earth.
These are not official forecasts for an eruption and do not show ash fall.
Related LinksAnchorage Volcanic Ash Advisory Center (VAAC)
Washington Volcanic Ash Advisory Center (VAAC)
Alaska Volcano Observatory (AVO)
Hawaiian Volcano Observatory (HVO)
HYSPLIT for current eruptions
HYSPLIT for hypothetical eruptions
Run HYSPLIT for any volcano
Inquiries should be addressed to: