Breadcrumb Home California faces heightened risk of megafloods Description Climate change is sharply increasing the risk of a catastrophic megaflood in California that could submerge large swaths of the state and displace millions of residents. Read more Read more https://news.ucar.edu/132857/california-faces-heightened-risk-megafloods Recent News Mar 31, 2025 Building to weather icing conditions Dec 17, 2024 Changes in store for atmospheric rivers Oct 11, 2024 Permafrost thawing will lead to more intense northern wildfires Aug 7, 2024 Wildfire experts available to explain fire behavior, potential impacts May 21, 2024 Hurricane experts available to explain storm behavior, potential impacts Feb 28, 2024 Experts available to discuss atmospheric rivers Dec 6, 2023 Jet stream winds will accelerate with warming climate Sep 26, 2023 NCAR experimental prediction system calls for a super El Niño this winter May 24, 2023 Jon Petch named director of NCAR’s Climate and Global Dynamics Laboratory May 10, 2023 Australian bushfires likely contributed to multiyear La Niña Tags NCAR/UCAR News