I am new to VRTool, and trying to set it up for Clipper race. Everything works fine but getting the wind forecast being available for weather routing.
So I have set up VRTool as proposed in the wiki incl. for "NOAA import grib" as well as "wind grids". I selected to import from desktop are, ran it, worked fine but no arrows show up on the screen, as I would expected it. Went to wind grid to the e.g. 12h and it tells me the used file is 2015091506/t06z.f012
Still no arrows no matter what I do and weather routing finishes within 0.05s because of no winds.
Any ideas what I am doing wrong?
Thanks in advance