Good point! There is no single cause of drought. The PDO is a major player in California weather, but not the only one. Historically, when the PDO is negative, the West is more sensitive to a variety of factors and more easily turns dry. Reply
Good point! There is no single cause of drought. The PDO is a major player in California weather, but not the only one. Historically, when the PDO is negative, the West is more sensitive to a variety of factors and more easily turns dry.