HYSPLIT Forum: hysplitbbs.arl.noaa.gov

Is there a way to make the matrix more dense than the default plot (say, 10000 trajectories)?

"Open the trajectory setup menu and enter three starting locations, all at 600 m AGL: 38N 84W, 44N 74W, and 39N 83W. The first two points represent the lower left and upper right corner of the domain over which trajectories will be started. The difference between the first point and the third point represents the spacing of a virtual grid from which trajectories will be started."

So if you want more points just make that third point closer to the first point - e.g. 38.5N and 83.5W

How do I control the number of trajectories though? I see, that this will increase density, but what if I want to increase density without changing my spatial boundaries?

Alice's suggestion above of only changing the third location will change the density and number of trajectories and keep the same spatial boundary.

Ah! Now I get it! Thank you