I have a data that is stored on a 95km (137x81) polar stereopgraphic grid.  How do go about contouring this data on top of a map?  I have had no luck trying to get this to work.  I can contour the data normally, but cannot get a contour on top of a map that is /STEREOGRAPHIC projection.  I have lat/lon pairs for the gridpoints of the data. PLEASE HELP   Thank You.