1. download and install ncl from http://www.ncl.ucar.edu/Download/list_of_binaries.shtml choose version: ncl_ncarg-6.6.2-CentOS6.10_64bit_gnu447.tar.gz install reference: https://jingyan.baidu.com/article/ab69b2707beaea2ca7189ffc.html 2. install lib: "yum install libgfortran -y"
3. add path-to/ncl_ncarg-6.6.2/bin to PATH and set "export NCARG_ROOT=/usr/local/ncl_ncarg-6.6.2" in file "~/.bash_profile" PATH=$PATH:$HOME/bin export PATH PATH=/usr/local/ncl_ncarg-6.6.2/bin:$PATH export NCARG_ROOT=/usr/local/ncl_ncarg-6.6.2 export PATH
