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NTIP is an input in the fort.15 file that selects the astronomical forcing input type.
The following table is a summary of possible NTIP values, their description, and associated input files if required.
|NTIP Value||Short-name||Description||Required Input Files|
|1||Wind stress, every node, every timestep||Wind stress and atmospheric pressure are read in at all grid nodes at every model time step from the fort.22 file||fort.22|
|20||Generalized Asymmetric Holland Model||The Generalized Asymmetric Holland Model (GAHM) provides a set of theoretical and practical improvements over previous parametric meteorological vortex models in ADCIRC. The track file format is similar to that of the older Dynamic Asymmetric Model (NWS = 19) but with 8 additional columns of data.||fort.22|