Dataset {
    Int32 time[time = 3545];
    Grid {
      Array:
        Float64 lat[time = 3545];
      Maps:
        Int32 time[time = 3545];
    } lat;
    Grid {
      Array:
        Float64 lon[time = 3545];
      Maps:
        Int32 time[time = 3545];
    } lon;
    Grid {
      Array:
        Int32 alt[time = 3545];
      Maps:
        Int32 time[time = 3545];
    } alt;
    Grid {
      Array:
        Float64 wind_speed[time = 3545];
      Maps:
        Int32 time[time = 3545];
    } wind_speed;
} wind_speed_DD.nc;