GFSThe selected variable and region is available, but not for 2019-05-21, 15:00. 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.
HIRLAMCurrently selected. HIRLAM is a regional model used by many weather services. WZ offers the Dutch (KNMI) and Finnish (FMI) version. It covers Europe with 10 km resolution and is calculated 4 times per day with 48 h forecasts.
NAVGEMThe selected time, variable and region is available for this model. 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).