The slow-motion disaster that we are witnessing on the west coast is unlike anything we have ever seen before. A series of atmospheric rivers has already dumped trillions of gallons of water on the region, and trillions of gallons of additional water will fall before the end of the year. This has caused some rivers …The slow-motion disaster that we are witnessing on the west coast is unlike anything we have ever seen before. A series of atmospheric rivers has already dumped trillions of gallons of water on the region, and trillions of gallons of additional water will fall before the end of the year. This has caused some rivers …