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2015 May Become World's Hottest on Record October 16, 2015
Temperature anomaly graphic
September's most excessive warmth was centered in Crimea and embattled areas of eastern Ukraine.
The planet remains on course to perhaps experience its warmest year on record with just over two months left in 2015.

An intensifying El Niño across the tropical Pacific may drive an already warm planet to record levels.

While there is a significant amount of heat that remains to be transferred from unusually warm areas of the world’s oceans into the atmosphere, the tropics have already registered the warmest September in the global satellite temperature record, which goes back through 1979.

Globally, the nine-month period from January through September has already come in at the fourth-hottest in that satellite era record, according to NOAA and NASA scientists at the University of Alabama in Huntsville.

During 1998, the warmest year since records began in the late 1800s, the first nine months had already reached record warmth.

Photo: University of Alabama in Huntsville