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September Was Warmest on Record, NASA Data ShowsSeptember 2014 was the warmest September since 1880, update NASA data shows.
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Where Is El Nino? And Why Do We Care?El Niño still hasn't emerged, but forecasters give it a two-thirds chance of forming by the end of the year.
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Nearly 600 Years of Tree Rings Show Altered Ocean HabitatSix centuries of tree-ring data have shown that coastal upwelling along the west coast of North America has become highly variable in the last half century.
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El Nino Watch: 6 Months and Still CountingEl Niño, which has been anticipated to form since March, has yet to arrive but is still expected.
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Odds of El Niño Drop; Still Expected to Form
The chances of an El Niño forming by winter have dropped to 65 percent, still double the normal odds.
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Whiffs of Antarctic Sulfur Hold Climate CluesHuge wildfires sparked by a powerful El Niño event 16 years ago left a distinct tinge of sulfur in Antarctica's snow.
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Six Months In and Sizzling California Sets RecordJanuary-June 2014 was the warmest first half to a year ever in California, helping fuel the state's drought.
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California's 2014 Rainfall Totals Approach Record LowsCalifornia's rainfall year ended today, and though the final totals aren't yet official, the parched state will likely end up with one of its lowest rainfall years since the 1920s.
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Explainer: El Niño and La NiñaOpinion We wait in anticipation of droughts and floods when El Niño and La Niña are forecast but what are these climatic events?
Opinion
