http://dss.ucar.edu/datasets/ds330.2/software/tigge_data_processing.tar.gz
This package includes scripts to download user selected parameter subsets from
TIGGE model data staged online at NCAR (The most recent ~3 weeks of forecast
cycles). Additionally, example NCAR Command Language (NCL) post-processing
scripts are included. A DSS user login is required to use this software. This
can be obtained at: http://dss.ucar.edu/cgi-bin/login . Users must agree to the
TIGGE data usage terms during the registration process.