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Now that the 2016-2017 winter is over with, it's time to look back and see what happened. Did our winter outlook do well?
The tropical Pacific has shifted into neutral. Our blogger reviews the evidence under consideration by forecasters this month.
How much can forecasters say about ENSO during the spring? A lot depends on which phase—El Niño versus La Niña— the Pacific seems to be headed toward.
La Niña has ended. Our blogger covers what happened last month and what forecasters think is in store for the next few months.
Ángel Muñoz, a climate scientist at NOAA's Geophysical Fluid Dynamics Laboratory, explains what can happen when the influence of ENSO combines with the influences of other climate phenomena.
La Niña conditions are still in place, but a transition to neutral is looming. Our blogger takes stock of the season.
How does La Niña and the jet stream impact winter conditions in the United States?
La Niña is forecast to hang on for just a few more months. Meanwhile, November was an active month in the tropics.
Are sea surface temperatures located north of the equator important for El Niño or La Niña development? Yes! Introducing the Pacific Meridional Mode.
This month, all signs are pointing to the presence of La Niña conditions.