Drought Risk Atlas

Home

The Drought Risk Atlas provides pre-computed drought indices for more than 4,000 locations across the United States. Each station included provides a long, continuous record of weather data. Use the map viewer to find the station nearest you. 
Select a station

 

The Drought Risk Atlas provides pre-generated heat maps, time series, tabular analyses and more for the Standardized Precipitation Index, the Standardized Precipitation and Evapotranspiration Index, the Palmer Drought Severity Index, the self-calibrated Palmer Drought Severity Index, the Standardized Streamflow Index, and more. 
View drought indices

Methodology

Learn about the criteria used to select the stations, the drought indices chosen, and more.

About

An overview of why the Drought Risk Atlas was created and who was involved.

Help

Instructions on how to use the various features and tools of the Drought Risk Atlas.