Physorg: By 2039, most of the US could experience at least four seasons equally as intense as the hottest season ever recorded from 1951-1999, according to Stanford University climate scientists. In most of Utah, Colorado, Arizona and New Mexico, the number of extremely hot seasons could be as high as seven. Credit: Noah Diffenbaugh, Stanford University Exceptionally long heat waves and other hot events could become commonplace in the United States in the next 30 years, according to a new …