A newly published study has identified changes in precipitation patterns in the US Northeast, which are likely caused by human pollution of the atmosphere with greenhouse gasses, which has resulted in global warming. According to the study, there has been an increase in extreme precipitation events, and an increase in the clumping across time of precipitation, with longer or more intense rainy periods, and longer dry periods.
Generally, climate and weather watchers have noticed that arid regions are drier, wetter regions are wetter, and many feel this is a consequence of global warming. Increased temperatures may increase the intensity of precipitation; this is a matter of physics. As air temperature increase, the air is able to hold more water, and this increase is not linear; a little more heat means a lot more moisture.
Read more here: http://scienceblogs.com/gregladen/2015/02/23/global-warming-changing-weather-in-the-us-northeast/
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