HYSPLIT Forum: hysplitbbs.arl.noaa.gov

Is there a way to set the model run time so that it goes until all particles have left the concentration sampling grid (either through flow or deposition)?

The run will stop if all particles exit the meteorological domain, but not necessary the concentration domain. This is due to the fact that particles may recirculate back into the concentration domain. If you are interested in making the meteorological domain smaller, then you can use the utility program xtrct_grid to subgrid the domain. To run, type ../exec/xtrct_grid and then follow the command prompts.