Southwest's monsoon season may heat up with the climate

Warmer temperatures may bring stronger rainy seasons over the long term, study finds

By Erin Wayman, 12:14 PM May 28, 2013

The summer monsoon that dumps rain on an otherwise-arid American Southwest may grow stronger as the climate warms, suggests a study of the region’s monsoon patterns of the last millennium.  

Across the Northern Hemisphere, monsoons — winds that change directions seasonally, altering rainfall — could intensify, the team reports May 27 in the Proceedings of the National Academy of Sciences.

The results complement recent observations and simulations of monsoon activity, says Pang-chi Hsu, a climat...

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