December 21, 2016

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

August 25, 2016

Understanding the Pacific Decadal Oscillation (PDO) as multiple layers of ice cream.  And how is it related to the El Niño-Southern Oscillation?  

November 20, 2015

With multiple sea surface temperature datasets come questions. What are they all for?

June 25, 2015

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

February 27, 2015

How do we verify forecasts that use probabilities? Read on to find out.

January 16, 2015

Blogger Tom Di Liberto explains the math behind some of the tests that seasonal forecasters use to check forecast skill, and then shows how skillful the past decade's winter forecasts have been.

December 19, 2014

A first look at how we evaluate seasonal forecasts. How well do our eyes do?

November 26, 2014

An El Niño means lots of rain for California, correct? Well, some of the time, but not always.

September 11, 2014

If you are someone who wants more or stronger ENSO events in the future, I have great news for you–research supports that. If you are someone who wants fewer or weaker ENSO events in the future, don’t worry–research supports that too.

August 1, 2014

How do changes in the equatorial Pacific Ocean impact places much farther away? The answer for the tropics, at least, lies in changes to the equator-wide atmospheric circulation called the Walker Circulation.