Concern mounts over slow-moving, planetary-scale ‘kelvin’ wave heading for California

The ocean phenomenon could raise sea levels by up to a foot as El Niño keeps warm water trapped along the coast Concerns are mounting about an ocean phenomenon known as a kelvin wave that could raise sea levels along the California coastline by up to a foot, as scientists say El Niño is supercharging the threat of storm surges and flooding in the coming months. As an incredibly strong El Niño cont…