Weather is always changing. It can be unpredictable. But even with all the changes, some patterns can be found. Learn how meteorologists use tools and systems to measure and predict these patterns. Find out how these patterns influence weather around the world.
Nancy Dickmann has written more than 150 non-fiction books for children, specializing in science and history. Before becoming an author, she worked for many years as an editor and publisher of childrens books.
