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.
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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.