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Archive of Large Floods Affecting California and Nevada, 1985-Present

Index of Flood Inundation Maps

Current Surface Water Extent: Drought Affected Areas





California-Nevada Current and Past Flooding

Also see California-Nevada Drought and Ice Cover

Dark Blue is current flooding (August 16, 2010).

Light Blue is permanent surface water on a comparison date (March 20, 2009).

Medium red is land flooded earlier in the current year.

Light red is mapped flooding, 2000 to January 1 of the current year.

Click on the white diamonds to see USGS Real-Time Water Data

Click on the white dots for estimated river discharge, 2002-present.

Powerpoint record of this display

Access California-Nevada Flood Inundation Maps


California Nevada Flooding










This work is made possible by data obtained by NASA, by and the Japanese Space Agency (JAXA), by collaborative work with the Global Disaster Alert and Coordination System (GDACS), Joint Research Centre of the European Commission, Ispra, Italy, and by NASA ARRA funding (Jet Propulsion Laboratory, California Institute of Technology, contract xxx to Dartmouth College., and other Institutional support is also provided by the Department of Geography, Dartmouth College, and the Community Surface Dynamics Modeling System, University of Colorado.


©2008 Dartmouth Flood Observatory