Drought is often hard to categorize since various countries, and even regions, have different definitions based on their impact.
A drought can be broken down into three main categories that physically define the phenomena. These three categories help determine the economic, environmental, and social impacts of droughts on communities.
The diagram shows how all droughts start due to a lack of precipitation and other weather variables, but other types of droughts develop. Click on the diagram to explore each type of drought.