Explore how geography affects precipitation in the Pacific Northwest of the United States with these data visualizations from NASA. An animation shows the accumulation of rainfall over the western United States during December 2015, with the majority of rainfall occurring between the Pacific Ocean and the mountains. A map shows precipitation data for the same time period to provide additional information about precipitation in the Pacific Northwest.
To view the Background Essay and Teaching Tips for this media gallery go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.