Why rain on snow in the California mountains worries scientists
- Written by Keith Musselman, Assistant Professor in Geography, Mountain Hydrology, and Climate Change, University of Colorado Boulder
A series of atmospheric rivers in early 2023 covered the Sierra Nevada in snow.Mario Tama/Getty ImagesAnother round of powerful atmospheric rivers is hitting California, following storms in January and February 2023 that dumped record amounts of snow. This time, the storms are warmer, and they are triggering flood warnings as they bring rain...





