Forecasts and current conditions for soil moisture (SM) and cumulative runoff. Forecast maps include precentiles at one-, two- and three-month leads
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Available in spring and summer for the western U.S. Monthly streamflow maps compare precent of monthly average flow to their respective 1981-2010 average.
Data from the USDA for streamflow, forecasts, reservoir storage and other hydrologic information for the Western United States.
The Advanced Hydrologic Prediction Service (AHPS) provides a web-based suite of accurate and information-rich forecast products. Magnitude and uncertainty of occurance of floods or droughts, from hours to days and months, in advance are derived from United States Geological Survey’s (USGS) real-time river gauge data and weather forecasts. There are nearly 9,000 stations throughout the United States and an interactive online map that allows the user to see the status of stations in real-time...