MAXNES = integer constant

This specifies the total number of domains, including the mother domain, that can be active in a model run. MAXNES must be an integer greater than or equal to one. MM5 allows a maximum number of 4 nest levels; however MAXNES may be as large as 10, since multiple domains are allowed on a nest level. The DM version of MM5 supports all nest functionality except nest movement during the run. Whether the domains actually execute during a model run is determined by the setting of XSTNES and XENES in the namelist file mmlif (fort.10). Nests on the same level are allowed to overlap, however unlike the non-DM code, there is no logic in the DM-version to keep the solution consistent between two overlapped nests in the region of the overlap.

Higher settings of MAXNES use approximately that many times as much memory, so MAXNES should be set as low as possible.

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