An Explanation of the Flooding in California
According to the latest U.S. Drought Monitor, Southern California is now free of the worst drought conditions. While the rainfall over the past couple months was much needed, California is now experiencing some major flooding. Keep reading to learn more about what caused the Golden State to go from drought to flood so quickly this year. Atmospheric Rivers Atmospheric rivers are relatively long, narrow regions in the atmosphere (like rivers in the sky) that are responsible for most of the horizontal transport of water vapor outside of the tropics. These columns of vapor move with the weather, carrying an amount of water vapor roughly equivalent to the average flow of water at the mouth of the Mississippi River. When these atmospheric rivers make landfall, they often release precipitation. Flooding in California La Nina and the cooler water in the tropics led to an abundance of the rivers. From the strained Oroville Dam to the flooding in San Jose, all this water can ...