Alva Review-Courier -

By Andreas Franz Prein
University Corporation for Atmospheric Research 

Dry is the new normal: Southwest U.S. has gotten drier and more prone to droughts

 

November 28, 2018



(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

(THE CONVERSATION) A few large weather systems make all the difference between a wet and a dry year in the Southwest. Coming during the winter and spring, they account for the bulk of the rain and snow the regions receives.

My colleagues and I were intrigued by the relationship between weather systems and rain and snowfall in the contiguous United States. We used historic weather data from the period 1979 to 2014 to find a representative set of weather types.

We found that dur...



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