On average, western Mexico and the American Southwest receive half their rainfall for the year between July and September. The deluge is due to the weather pattern known as a monsoon—but according to a new paper by University of California, Berkeley atmospheric scientist William Boos and his team, new analyses and high-resolution models show that this monsoon is like none other on Earth.
Click here for original story, Climate simulations redefine causes of North American monsoon
Source: Phys.org