National Drought Mitigation Center

Drought In-depth

What is Drought?  

What is Drought?


Is drought just something that happens, or can human activity contribute to drought? Learn how scientific definitions of drought help answer that question.

Types of Drought  

Types of Drought


Like snowflakes, not two droughts are alike. Learn why scientists talk about five categories of drought, and why drought in Hawaii may look different from an Oklahoma drought.

What is Climatology?  

What is Climatology?


Studying climate is a science. So how do scientists study drought?