GFSThe selected variable and region is available, but not for 2018-12-04, 12:00. You will switch back to the first available time step.GFS is the global weather forecast model of the US weather service run at an internal resolution of 28 km. It offers a plethora of parameters for the next 15 days. Updated 4 times a day up to 384 hours ahead. The runs for the 0, 6, 12 and 18Z runs are usually coming in from 3:30, 9:30, 15:30 and 21:30 UTC, respectively.
NAVGEMCurrently selected. NAVGEM is a model run by the NOAA and serves the US navy with weather forecasts. The WZ maps are based on data that is available from the NCEP server with a grid spacing of 0.5 degree and is updated twice daily (7 and 19 UTC).