Experiencing System Outages
Please note: Due to storm impacts on systems at NOAA's National Centers for Environmental Information in Asheville, NC, certain maps and statistics on Drought.gov may be experiencing issues. We apologize for any inconvenience at this time. Read more.
Surface Hydrology Maps
NOAA National Weather Service (NWS) Climate Prediction Center (CPC)
Surface Hydrology page displays weekly and monthly products from the North-American Land Data Assimilation System (NLDAS).
How to
What can I do with these data?
- View weekly and monthly hydrological data from the North-American Land Data Assimilation System (NLDAS).
How do I use the site?
- View hydrological data in the map viewer at the “Weekly” or “Monthly” scale
- To change products, select from the list under “Surface Hydrology (based on NLDAS)” within the left side menu panel
Access
Surface Hydrology Maps: displays NLDAS hydrology information at the Weekly and Monthly scales. Graphics and GeoTIFFS are available under “Related Links” below the map viewer.