Features of the Advanced Regional Prediction System (ARPS) code
non-hydrostatic, compressible dynamics in a terrain-following vertical coordinate
global terrain database and configuration software with 30 second terrain resolution for most of the US and one degree terrain coverage for the world.
1-D, 2-D, and 3-D Cartesian geometry
user specified vertical grid-stretching option.
warm-rain and 3 category ice (total 6 water phase) microphysics
cloud water, rain water, cloud ice, snow, and hail