La Nina holds out slim hope for the drought-ravaged southern tip of Africa
Geneva — A weak La Nina pattern, possibly affecting weather and rainfall over large parts of the world, may develop and cool the Pacific Ocean in the final quarter of this year, the World Meteorological Organization (WMO) said on Thursday. La Nina, which can cause floods and droughts, has a 50%-55% probability of emerging in the period, the UN agency said in a forecast based on climate models from leading prediction centres worldwide. "The La Nina event, if it does occur, will likely remain weak," the Geneva-based WMO said in a statement, noting that a La Nina event occurred in 2016. La Nina is the opposite phase of El Nino in the interplay between the atmosphere and ocean over the tropical Pacific, collectively known as the El Nino/Southern Oscillation (ENSO). "Conditions are expected to return to ENSO-neutral in the first quarter of 2018," WMO said. La Nina is often associated with wet conditions in eastern Australia, Indonesia, the Philippines, Thailand and South Asia, the WMO sa...
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