Indrani Graczyk, NASA Jet Propulsion Laboratory, Pasadena, CA, United States

Michael Anderson, California Department of Water Resources, Sacramento, CA, United States

Brian D Conway, Arizona Department of Water Resources, Phoenix, AZ, United States

Dana Rollison¹, Robyn Grimm², Forrest S Melton³, Justin L Huntington⁴, Jamie Herring⁵, Maurice Hall², Tyler Erickson⁶, Richard G Allen⁷, Martha B. Anderson⁸, Philip Blankenau⁹, Matthew Bromley¹⁰, Britta Daudert⁴, Conor Doherty¹¹, Christian Dunkerly¹², Joshua Fisher¹³, MacKenzie Friedrichs¹⁴, Alberto Guzman³, Christopher Hain¹⁵, Gregory Halverson¹⁶, Jody Hansen¹⁷, Jordan Harding¹⁸, Lee Johnson¹⁹, Yanghui Kang²⁰, Ayse Kilic²¹, Margot Malloy²², Blake Minor²³, Charles Morton¹⁰, Samuel Ortega-Salazar²⁴, Thomas Ott²⁵, Peter Revelle²⁴, Anderson Ruhoff²⁶, Mitchell A Schull²⁷, Gabriel B Senay²⁸, John Michael Volk²⁹, Tianxin Wang³⁰ and Yun Yang^31,32, (1)Environmental Defense Fund, San Francisco, CA, United States, (2)Environmental Defense Fund, Sacramento, CA, United States, (3)CSU Monterey Bay, NASA ARC-CREST, Seaside, CA, United States, (4)Desert Research Institute Reno, Division of Hydrologic Sciences, Reno, NV, United States, (5)HabitatSeven, Ottawa, ON, Canada, (6)Google, Earth Outreach, Mountain View, CA, United States, (7)Univ Idaho, Kimberly, ID, United States, (8)USDA ARS, Hydrology and Remote Sensing Laboratory, Beltsville, MD, United States, (9)Idaho Department of Water Resources, Boise, ID, United States, (10)Desert Research Institute, Reno, NV, United States, (11)Stanford University, Stanford, CA, United States, (12)Desert Research Institute Reno, Reno, United States, (13)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (14)EROS/SGT, Inc, Sioux Falls, SD, United States, (15)National Integrated Drought Information System, Boulder, CO, United States, (16)NASA Jet Propulsion Laboratory, Pasadena, United States, (17)Desert Research Institute, Reno, United States, (18)Habitat Seven, Ottawa, Canada, (19)Univ. Corp. Monterey Bay, Moffett Field, CA, United States, (20)University of Wisconsin Madison, Madison, WI, United States, (21)University of Nebraska-Lincoln, Lincoln, NE, United States, (22)CEA Consulting, San Francisco, United States, (23)Desert Research Institute Reno, Reno, NV, United States, (24)University of Nebraska Lincoln, Lincoln, NE, United States, (25)Desert Research Institute, Division of Hydrologic Sciences, Reno, NV, United States, (26)IPH / UFRGS, Porto Alegre, Brazil, (27)USDA ARS, Pendleton, OR, United States, (28)U.S. Geological Survey Earth Resources Observation and Science (EROS) Center, EROS/North Central Climate Adaptation Science Center, Fort Collins, CO, United States, (29)University of Nevada Reno, Reno, NV, United States, (30)CSU Monterey Bay, Marina, CA, United States, (31)University of Maryland College Park, ESSIC, College Park, MD, United States, (32)USDA ARS, Hydrology and Remote Sensing Lab, Beltsvillle, MD, United States

Joshua B Fisher¹, Gregory Halverson¹, Mony Sea², Matthew Nelson³, Jerri Pohl³, Frank Scott³ and Molly Magnuson⁴, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)JPL, Pasadena, United States, (3)New Mexico Office of the State Engineer, Santa Fe, United States, (4)New Mexico Office of the State Engineer, Water Use Conservation Bureau, Santa Fe, NM, United States

Heidi A Roop¹, Guillaume S Mauger², Julie Tolmie³, Maureen Hodgins⁴ and Michael Dirks⁴, (1)University of Minnesota Twin Cities, Soil, Water and Climate, Minneapolis, United States, (2)University of Washington, Climate Impacts Group, Seattle, WA, United States, (3)University of Washington, Climate Impacts Group, Seattle, United States, (4)The Water Research Foundation, Denver, United States

Oriana Chegwidden, University of Washington Seattle Campus, Seattle, WA, United States, Katherine Hegewisch, University of California Merced, Management of Complex Systems, Merced, CA, United States, John Abatzoglou, University of California Merced, Management of Complex Systems, Merced, United States and Bart Nijssen, University of Washington Seattle Campus, Civil and Environmental Engineering, Seattle, WA, United States

Nikki Tulley¹, Amber Jean McCullum², Carlee McClellan³, Britta Daudert⁴, Justin L Huntington⁴ and Crystal Tulley-Cordova³, (1)University of Arizona; Bay Area Environmental Research Institute/NASA Ames Research Center, Tucson, AZ, United States, (2)Bay Area Environmental Research Institute/NASA Ames Research Center, Moffett Field, CA, United States, (3)Navajo Nation Department of Water Resources, Fort Defiance, AZ, United States, (4)Desert Research Institute Reno, Division of Hydrologic Sciences, Reno, NV, United States

Julie Padowski, Washington State University, Center for Environmental Research, Education & Outreach, Pullman, WA, United States, Amanda Hohner, Washington State University, Civil and Environmental Engineering, Pullman, WA, United States and Sonia Hall, Washington State University, Center for Sustaining Agriculture and Natural Resources, Pullman, WA, United States

Christine M Lee, NASA Jet Propulsion Laboratory, Terrestrial Hydrology, Pasadena, CA, United States, Erin Hestir, University of California Merced, Merced, CA, United States, Nicholas B Tufillaro, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Brendan Palmieri, 34 North, Truckee, United States, Shawn Acuña, Metropolitan Water District of Southern California, Los Angeles, United States, Amye Osti, The Open Resource Management Foundation, San Luis Obispo, CA, United States, Brian A Bergamaschi, USGS California Water Science Center Sacramento, Sacramento, CA, United States and Ted Sommer, California Department of Water Resources, Division of Environmental Services, Sacramento, CA, United States