What exactly is weather? How does it affect us? How do we affect it? What is it made of? There are many questions on weather and meteorology. This part of this site is where you can find some of the answers to the above questions and even more. So go on and start exploring! What is the definition of weather? Find out here What powers the weather on Earth? The air around us is where weather occurs. Find out more on what it is made of. Components of weather, the things that make up weather explained. Weather. Climate. What's the difference? Phenomena that occur together with weather.