A rapidly warming stratosphere and swirling polar vortexes, oh my! What is going on so far this winter? Three stratosphere experts help us sort it out.
Guest blogger Marybeth Arcodia explains her latest research into how the Madden-Julian Oscillation and ENSO sometimes enhance each other's influence on U.S. precipitation and other times cancel each other out.
How did the 2019-20 Winter Outlook do? Pretty darn good if you ask us! Learn just how good in our yearly verification post.
There’s more than just ENSO in the tropical climate neighborhood. Our blogger discusses an Indian Ocean climate pattern that had an important impact on Australia’s catastrophic 2019 bushfire season.
Kidding. Here's why the polar vortex may also cause you to take off your sweater sometimes.
Some oceanic and atmospheric patterns can give us an early heads-up that El Niño might be on its way.
New research weighs in on a popular debate about whether reduced Arctic sea ice is causing extreme mid-latitude winters. Their result? Blame the atmosphere, not the ice.
Stand aside polar vortex! The PNA may be the most important atmospheric circulation pattern you've never heard of.
In this week's ENSO blog, Tom DiLiberto gets all judgy over the 2017-2018 Winter Outlook—using science of course.
How this winter's temperature swings may have been partially driven by the Madden Julian Oscillation or MJO.