Why is the weather forecast invincible

The research contents of weather forecast include: weather situation forecast, such as extrapolation and kinematics forecast of weather system, high-altitude weather situation forecast, and the application of satellite cloud pictures in weather situation forecast. Weather analysis and forecast, such as basic methods of weather forecast, gale weather process forecast, cold wave weather process forecast, etc. Weather diagnosis and analysis, such as objective analysis of meteorological field, analysis of horizontal flow field, calculation of water vapor flux, divergence of water vapor flux and precipitation, etc.