Mourani, This is a bug in the OPeNDAP page for any parameters that have a - in them, ie U-component_of_wind_height_above_ground. Until a fix can be put on motherlode, you can use the workaround by modifying the DataUrl for the parameter: http://motherlode.ucar.edu:8080/thredds/dodsC/fmrc/NCEP/GFS/Global_0p5deg/runs/NCEP-GFS-Global_0p5deg_RUN_2010-03-31T06:00:00Z?U-component_of_wind_height_above_ground[0:1:0][0:1:0][0:1:0] If you find any other problems, let us know. RObb... Ticket Details =================== Ticket ID: YQG-344906 Department: Support THREDDS Priority: High Status: Open