The peak of El Niño is expected to arrive soon after peak pumpkin spice latte season. What are some of the winter weather effects seen during past El Niños?
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.
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).