September 26, 2019

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. 

temperature anomalies associated with PNA
April 23, 2019

Stand aside polar vortex!  The PNA may be the most important atmospheric circulation pattern you've never heard of.  

July 27, 2018

Wondering how strong any potential El Niño might be this winter? Maybe you should look to the South Pacific for clues. 

MJO impacts on 2017-18 winter
February 22, 2018

How this winter's temperature swings may have been partially driven by the Madden Julian Oscillation or MJO.  

In this activity, students examine global climate model output and consider the potential impact of global warming on tropical cyclone initiation and evolution. As a follow-up, students read two short articles on the connection between hurricanes and global warming and discuss these articles in context of what they have learned from model output.

March 2, 2017

In this installment of our Beyond the Data blog, Carl Schreck talks about how a tropical climate pattern called the MJO left its fingerprints all over California's soaking rains and Boston's recent snowstorm.

December 21, 2016

How does La Niña and the jet stream impact winter conditions in the United States?

February 24, 2016

Where are my El Niño impacts?!

November 12, 2015

Warmer-than-average waters in the tropical Pacific are expected to reach their peak soon. How has El Niño affected global weather so far this year?

June 25, 2015

...but it's still a seasonal forecaster's best friend.

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