A “major storm” hits California, at least one dead. Floods and harsh winds left nearly half a million homes without power.

For Los Angeles, “yesterday was the tenth wettest day since we started recording precipitation levels in 1877,” Mayor Karen Bass said. This one is due to an “atmospheric river” : a gigantic corridor of rain which transforms the water vapor stored in the tropics around Hawaii. In California, this particular phenomenon is nicknamed “Pineapple Express”