Aussie Scientists: Thresholds Reach La Nina

05:49AM Oct 12, 2011
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The Australian Bureau of Meteorology says conditions in the Pacific Ocean are consistent with the early stages of a La Nina event, but it expects this event to be weaker than the strong 2010-11 La Nina.

"In addition to the trends in the ocean, key atmospheric signals such as trade winds, cloud and the Southern Oscillation Index (SOI), are also close to, or have passed, La Nina thresholds," states the agency. "La Nina events raise the odds of above average rainfall across northern and eastern Australia, but do not guarantee it."


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