Atmospheric River : A weather pattern that forms a narrow corridor of concentrated moisture in the atmosphere that drops torrential rains as it passes over land
State of California, The Natural Resources Agency (Department of Water Resources) and The United States Army Corps of Engineers (Flood Plain Management Services Program), Attachment B: Glossary, State Wide Flood Management Planning Program (Flood State California), USA 2013. http://www.water.ca.gov/sfmp/resources/Attachment_ B_Glossary.pdf, (ND Emr/ Flood - Amer) {905}