Gempak users, I have posted a full function binary release of GEMPAK 5.8.2a for Mac OS X / Darwin on our web portal. This binary release is for Darwin Kernel Version 8.1.0 (Mac OS X Tiger 4.1). Installation follows the same proceedure as other binary releases: http://my.unidata.ucar.edu/content/software/gempak/GEMPAK5.8/Install_GEMPAK5.8.html Please refer any questions to address@hidden Steve Chiswell Unidata User Support