This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Full Name: Patrick Dills > Email Address: address@hidden > Organization: UCAR-COMET > Package Version: 6.2_u1 > Operating System: macos > Hardware: macbook pro > Description of problem: Hi. For the latest IDV release, 6.2u1, I'm having > trouble finding the newly announced Galvez-Davison Index (GDI) formula. GDI > doesn't appear under formulas after I load a GFS model grid. > > Thanks in advance for any and all tips. > - Patrick > > Hi Patrick, The GDI formula is in the Grids diagnostic system library. See the attached images. You call this formula from Formulas > Grids > Define a grid diagnostic, and select a display type. When the widow popup, enter GalvezDavisonIndex(temp, rh) and go on.... Yuan Ticket Details =================== Ticket ID: AHH-485469 Department: Support IDV Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.
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