Drought Severity

Drought severity is a relative term that broadly refers to how intense a drought is considered to be. Drought severity can be measured through any number of physical indicators, such as rainfall or streamflow, but it can also be assessed through impacts to other interdependent systems given that drought affects water supply, agriculture, wildfire, and more. Drought frequency, duration, and severity are often used together as a means to describe and evaluate drought conditions in a given area (i.e., how often an area is affected by drought, how long is it affected, and how severely it is affected).

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