U.S. Geological Survey
The CSI is a drought index tool that uses salinity data to characterize saline (drought) and freshwater (wet) conditions in coastal surface waters.
The Landscape Evaporative Response Index (LERI) is an experimental drought monitoring and early warning guidance tool that measures the anomaly in the actual evapotranspiration (ETa) from the land
The National Water Dashboard is an interactive map viewer that shows provisional real-time water data from more than 13,000 USGS observation stations in context with weather-related data from other
The research-based website NationalSoilMoisture.com provides high-resolution gridded soil moisture products derived from in situ soil moisture measurements, Natural Resources Conservation
Quick Drought Response Index (QuickDRI): a geospatial tool that characterizes the intensification of short-term drought condition patterns on a weekly basis across the continental United States (CO
The "groundwater watch" web pages group related wells and data from active well networks, and provide basic statistics about the water-level data collected by USGS water science centers for Coopera
USGS provides access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the C
WaterWatch is a U.S. Geological Survey (USGS) World Wide Web site that displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States.
VegDRI: a weekly depiction of vegetation stress across the contiguous United States.
