The water vapor forms clouds and condenses falling to the earth as different types of precipitation. Find where water vapour comes from to form the clouds. It may surprise you. Our friends in the animal kingdom may not have the aid of satellites and such, but they are no fools when it comes to predicting weather. Insects may be tiny for the most part, but their weather sensors are every bit as big as ours.
Weather maps are vital tools for meteorologists.
The numbers and symbols on a weather map show the location and strength of current weather systems.