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Monsoon Information Index
Questions and answers about the Mexican monsoon, "a regional-scale circulation that develops over southwest North America during the months of July through September. It is associated with a dramatic increase in rainfall that occurs over what is normally an arid region of North America." Discusses the Gulf of California moisture surge, severe thunderstorms, monsoon thunderstorms, and related concepts. From the National Weather Service, Tucson, Arizona, Weather Forecast Office.
http://www.wrh.noaa.gov/twc/monsoon/monsoon_info.php

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