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An El Niño appears increasingly likely according to NOAA and Australia's Bureau of Meteorology. If it starts soon, 2014 could well be the hottest year on record, but if it is a strong El Niño, as many currently expect, then 2015 would likely break all previous global records.
Signs are increasingly pointing to the formation of an El Niño in the next few months, possibly a very strong one. When combined with the long-term global warming trend, a super El Niño means 2015 (and possibly even 2014) is likely to become the hottest year on record.