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9/30/2007

La Nina threatens to wreck world’s weather

Global Weather Observations
Experts predict a run of severe weather in the coming months, with devastating floods striking some parts of the world while severe droughts afflict other regions, as the climate phenomenon known as La Niña gathers momentum.

A chronic drought afflicting southern California and many southeastern states of America could be exacerbated, with Los Angeles heading for its driest year on record. In contrast, western Canada and the northwestern US could turn colder and snowier. Mozambique, southeast Africa, and northern Brazil may face exceptionally heavy rains and floods, while southern Brazil and much of Argentina suffer drought.

La Niña could even rearrange the pattern of sea ice around the Antarctic, pushing the ice pack towards the Pacific side of the continent. Already, torrential rains have triggered severe floods across a huge swath of Central Africa, stretching from Senegal in the west to Uganda in the east.

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