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Hi Dave- > I just tried to figure out how to plot vertical geostrophic wind > difference vectors, but it looks like that requires some programming. > I'll be asking for some help with that one! > > On an unrelated topic, I've been trying to plot station pressure and > altimeter setting from METAR data, but I haven't been able to find > them on the list of available variables to plot (e.g., Displays > > Plot, in the list in the "Field" column of the data table for the > selected station). I can plot both using WXP from METAR data (I assume > they are the same basic data files, acquired via IDD through NOAAPORT) > so I assume that station pressure is in there somewhere. (Altimeter > setting can be computed from station pressure and station elevation, > so this really boils down to being able to find and plot station > pressure.) > > What am I missing here? If you are using the METAR data from the ADDE server, the variables are: PSL - altimiter setting (converted to millibars) PRE - sea level pressure If you are using a different data source, point me to a sample and I can figure it out from that. Don Don Ticket Details =================== Ticket ID: QOS-944139 Department: Support IDV Priority: Normal Status: Open