integer, parameter  :: WRF_FILE_NOT_OPENED                  = 100
      integer, parameter  :: WRF_FILE_OPENED_NOT_COMMITTED        = 101
      integer, parameter  :: WRF_FILE_OPENED_FOR_WRITE            = 102
      integer, parameter  :: WRF_FILE_OPENED_FOR_READ             = 103
      integer, parameter  :: WRF_REAL                             = 104
      integer, parameter  :: WRF_DOUBLE               = 105
      integer, parameter  :: WRF_INTEGER                          = 106
      integer, parameter  :: WRF_LOGICAL                          = 107
      integer, parameter  :: WRF_COMPLEX                          = 108
      integer, parameter  :: WRF_DOUBLE_COMPLEX                   = 109
      integer, parameter  :: WRF_FILE_OPENED_FOR_UPDATE           = 110