UW-NMS Grid System

• Arakawa "C" Grid
• Height cooordinate with step topography (similar to NMC Eta model) or sigma-z terrain following vertical coordinate.
• Operational Model uses step topography.
• Local spherical grid, similar to NMC Eta model. Latitude/longitude of origin of local spherical grid and angle of prime meridian with local earth merdian specified.
• User defined grid spacing/number of grid points in all directions

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