Bureau of Meteorology of Australia: La Niña event now passed its peak

Bureau of Meteorology of Australia: La Niña event now passed its peak

23

Published

23 February 2011
Press Release Number:
N/A

The La Niña event which has dominated the Australian climate for the past nine months is showing signs of weakening. Pacific Ocean temperatures, most notably below the surface, have warmed, while atmospheric indicators such as the Southern Oscillation Index (SOI), trade winds and cloud patterns have eased from their respective peaks in early January.These observations are consistent with both the life cycle of past La Niña events and long-range climate models, which show the Pacific gradually warming during the southern autumn of 2011. All available climate models suggest further weakening of the La Niña is likely through autumn, with most indicating a return to neutral conditions by winter 2011. >> Full text

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