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OWWLS, Overview of Weather Water Land Sites, maps the location of weather stations, streamgages, groundwater monitoring stations and reservoirs across the United States, Puerto Rico, and the U.S. Virgin Islands. 

NCEI provides the paleoclimatology data and information scientists need to understand natural climate variability and future climate change.

The Potential Flash Drought Detection Tool identifies areas of potential rapid drought emergence by identifying rapid change of evapotranspiration using the NLDAS-2 land surface model. 

The National Weather Service's Climate Prediction Center (CPC) produces official monthly and seasonal temperature and precipitation outlook products. This information was converted into projected monthly temperature and precipitation values for future months, then the projected values were used to compute projected future Palmer Hydrological Drought Index (PHDI) values.