<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000'>Hi,<div><br></div><div>I extracted couple variables from a netcdf file (with 40 variables) and write out to a new netcdf file with dimension and TFLAG information. But the new file's still has dimension: VAR =40, which is same as the original netcdf file. The VAR should be equal to 2 (VAR=2) in new netcdf file. I don't know how to change it by NCL. </div><div></div><div>Very appreciate any help and suggestions.</div><div><br></div><div>Chao </div></div></body></html>