Atmospheric rivers are responsible for transporting moisture thousands of miles and providing up to 50% of West Coast precipitation in certain locations. The temperatures of storm systems supplied with water by ARs play a vital role in determining the impacts of an AR event.
Global mean temperatures have been flat for 15 years despite an increase of heat-trapping greenhouse gases and new research by scientists at Scripps Institution of Oceanography found that cooling in the eastern Pacific Ocean is behind the recent hiatus in global warming.
Gardeners and landscapers may want to rethink their fall tree plantings this year. The U.S. Department Agriculture has released an updated Plant Hardiness Zone Map, which indicates which trees and perennials can survive the winter in a given region.