Get ready for some wild weather(1)
in March of 1997,Stephen Zebiak stared at his computer screen im alarm. The veteran climate researcher saw indications of a worldwide weather event that, over the years, has been blamed for droughts and floods, famine, fires and thousands of deaths. Called EI Nion, it is the most disruptive climatic phenomenon on the planet
Zebiak and Mark Cane, research scientists at Columbia University, had developed a computerized forecast model that correctly predicted EI Nino’s occurrences in 1982, ’86 and ’91, wholesale replica designer handbags and it had pointed to a recurrence in ’98. but the data appearing on Zebiak’s screen from satellite and sea-surface monitors across the Pacific were unmistakable: EI Nino was already beginning. A huge pool of warm water-----larger than the United States and some 600 feet deep-----was moving slowly but surely eastward toward South America.
In June the equatorial trade winds reversed direction from westward to eastward. By September, waters off Northern Chile, and heavier-than-normal snowfalls in the Andes trapped hundreds in the bitter cold. And all of this only foretold of even more devastating weather for the fall and winter.
EI Nino means “little boy” in Spanish; when capitalized, wholesale designer handbag, it refers to the Christ child. This innocent-sounding name originated in the 19th century, when Peruvian sailors noticed that every few years around Christmastime, waters near the coasts warmed up and the current shifted southward. But this “little boy” plays havoc around the globe.
EI Nino occurs when weather patterns in the rtopical Pacific shift violently. Normally, strong westward-blowing trade winds off South America push surface water toward Asia. Just as blowing on hot coffee pushes the liquid up against the opposite side of the cup, the trade winds pile warm water against the coastlines of Australia, Indonesia and the Philippines. Above the warm water, moist air rises, lowering atmospheric pressure and triggering the topical showers that nourish the rain forests of Asia. Meanwhile high-altitude winds travel back toward South America. There, wholesale coach handbag, the cooled air sinks, raising atmospheric pressure and suppressing rain along most of the Pacific coast, making it one of the driest regions in the world.
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