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> Hello Yuan. > > Here is a bundle with cloud motion vectors (obs minus first-guess forecast, a > step in data assimilation called “o-f”). You may have to accept > authentication errors but these data should come up OK. > > It is a “point volume”. > > From the top they all look red (this is v wind difference, -1 to 1 m/s). > > But from the south they are red-blue more equally (as expected for a very > short forecast of the v field). > > > Does it seem like a bug, or something weird about the data? > I tried to make a vertical probe to see the actual values, but visad > FlatField errors pop up. > > Low priority, just sharing a puzzle. I use it for illustration only, nobody > has to extract specific information from viewing it. > > Brian > > [cid:8c421a1d-97b2-4df3-a502-7c914b5e6108@namprd07.prod.outlook.com] > > > [cid:223ad3e9-80ed-4ca6-bb71-72b181cc685e@namprd07.prod.outlook.com] > > > > > Hi Brian, I wonder if this has something related to the ensemble dimension. If you select only one member you probably will get what you expected. Yuan Ticket Details =================== Ticket ID: LOU-830183 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.