Summary of Air Motions
q  Geostrophic Wind
       pressure gradient force = Coriolis force
q  Cyclostrophic Wind
       pressure gradient force = centrifugal force
q  Gradient Wind
       pressure gradident force + Coriolis force + centrifugal force = 0
q  Inertia Motion
       No pressure gradient force. Coriolis force = centrifugal force.