Torrential rains, flash floods and mudslides in southern California were the result of the itinerate journey of an upper-level low pressure system.

(Video) Will the strongest El Niño in nearly 20 years affect your winter climate? The CPC's Mike Halpert discusses the seasonal outlook for Winter 2015-16.

Can we blame El Niño for this year’s global coral bleaching event?

While the Atlantic hurricane season has been generally below-average, that doesn't mean it can't have a rare event.

An over-active hurricane season in the central/eastern Pacific Ocean went into overdrive as three major hurricanes occurred at the same time.

Plants on land have helped slow global warming by capturing nearly a quarter of the carbon dioxide that human activities release in an average year. But where is it all going?

In 2014, the upper ocean held more heat than average throughout most of the major ocean basins.

The eastern Pacific hurricane season has gotten off to a quick start. How quick? Read on to find out.