What is an “Atmospheric River”? The term “Atmospheric River” has been thrown around a lot lately and we should be talking about them.ย ย These are big events that drop huge amounts of rain and snow on West Coast States. Quick Atmospheric River (AR) Facts: On average, about 30-50% of annual precipitation in the West Coast States occurs in just a few AR events each year […] Brains The Brains | January 27, 2021 0 Comments