El Niño is an abnormal warming of the ocean temperatures across the eastern tropical Pacific that affects weather around the globe. El Niño episodes usually occur approximately every four-five y...
With an average energy of roughly 1 million pounds of TNT, tornadoes are one of nature?s most powerful phenomena. And while atmospheric scientists know a great deal about tornados, such as the c...
Scientist Kevin Petty, of the National Center for Atmospheric Research, studies hurricanes. He is helping to improve hurricane forecasts and warnings by learning how to better predict the intensity...
The potential future effects of global climate change include more frequent wildfires, longer periods of drought in some regions and an increase in the number, duration and intensity of tropical...
The Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000...
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