Understand the underlying factors of global warming? Showcase wry meteorological and earth science humor with any of these gifts featuring El Niño and La Niña with the scientific saying: "Global Warming? Blame It On El Niño and La Niña". El Niño is a warming of the surface water of the eastern and central Pacific Ocean, occurring every 4 to 12 years and causing unusual global weather patterns. An El Niño is said to occur when the trade winds that usually push warm surface water westward weaken, allowing the warm water to pool as far eastward as the western coast of South America. La Niña is a cooling of the surface water of the eastern and central Pacific Ocean, occurring somewhat less frequently than El Niño events but causing similar, generally opposite disruptions to global weather patterns. La Niña conditions occur when the Pacific trade winds blow more strongly than usual, pushing the sun-warmed surface water farther west and increasing the upwelling of cold water in the eastern regions. Make others do a double-take with either of these factors that can be seen as a contributor factor to global warming -- or as a consequence of it! myTees
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