## Refined version of nonhydrostatic released with workstation Eta. NMM retains full hydrostatic capability & step mountain options:

## Incorporate nonhydrostatic effects through where =(1/g) dw/dt

## Then split prognostic equations into:

## (a) hydrostatic parts plus corrections due to the vertical acceleration

## (b) the system of equations that compute the corrections due to vertical acceleration in (a)

## Set to zero to run in hydrostatic mode.