December 14, 2017

La Nina conditions are solidly in place, and are expected to affect global weather through the winter.

November 8, 2017

Despite some stormy interference from the MJO in October, La Niña conditions have arrived. NOAA predicts this "double-dip" La Niña will last through winter. 

October 12, 2017

ENSO forecasters are maintaining the La Niña Watch, but not declaring La Niña, as we wait for the tropical Pacific to settle down.

September 12, 2017

Our blogger delves into the thinking behind this month’s La Niña Watch.

July 27, 2017

Want to know a little bit about how climate models work?

June 8, 2017

Our blogger discusses the ENSO forecast, with a side of climate change.

May 11, 2017

The chance El Niño will develop is about equal to the chance that the tropical Pacific will stay in neutral. What are forecasters looking at this month?

March 8, 2017

The tropical Pacific has shifted into neutral. Our blogger reviews the evidence under consideration by forecasters this month.

February 9, 2017

La Niña has ended. Our blogger covers what happened last month and what forecasters think is in store for the next few months.

January 11, 2017

La Niña conditions are still in place, but a transition to neutral is looming. Our blogger takes stock of the season.