Derek, I have available an updated zonebnds.tbl and zonebnds.tbl.info which can be downloaded from http://www.unidata.ucar.edu/downloads/gempak/tables/index.jsp and placed in $GEMTBL/bounds/ Let me know if you have any more issues with GPWARN. Best, Michael James Unidata Ticket Details =================== Ticket ID: BTP-578600 Department: Support GEMPAK Priority: Normal Status: Open