18 Nov '11, 4am

La Nina returns, but weaker impact seen: UN weather agency

La Nina returns, but weaker impact seen: UN weather agency

GENEVA: The UN weather agency said on Thursday that La Nina, a phenomenon linked to flooding and drought, had re-emerged in the tropical Pacific since August but its impact is expected to be weaker this time. "This La Nina is expected to persist through the end of this year and into early 2012, possibly strengthening to moderate intensity," said the World Meteorological Organisation in a statement. "However, it is likely to be considerably weaker than the recent episode that was linked to flooding and drought in different parts of the world." La Nina is characterized by unusually cool ocean surface temperatures in the central and eastern tropical Pacific. It is the opposite of El Nino, which is marked by unusually warm ocean surface temperatures. Both factor in the fluctuations of the world's climate. In late 2008 La Nina was blamed for icy conditions that claimed dozens o...

Full article: http://www.channelnewsasia.com/stories/afp_world/view/116...

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