NCEI's Deke Arndt blogs about how El Niño—like an erratic bartender—doesn't always bring the country the seasonal climate we'd expect.
Tom Di Liberto explains how algae and other phytoplankton usually behave.
El Niño is a global phenomenon. Guest blogger Dr. Andrew Watkins shines some light on El Niño's impact across the world in Australia.
This week's bloggers use the historical record to generate 10,000 possible scenarios for the remainder of 2015. In 97% of them, 2015 sets a new record temperature.
On September 11, 2015, Arctic sea reached its fourth-lowest minimum extent in the satellite record:1.70 million square miles (4.41 million square kilometers).