ENSO Blog

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June 2021 ENSO update: neutral noodle
June 10, 2021
The ENSO forecast favors neutral conditions through the fall, but there's more to it than that!

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Double-dipping: Why does La Niña often occur in consecutive winters?
May 27, 2021
One La Niña winter is often followed by another. El Niño winters seldom double-dip. The ENSO Blog explains why.

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May 2021 ENSO update: bye for now, La Niña!
May 13, 2021
Neutral conditions have returned to the tropical Pacific. Our blogger looks ahead to the rest of 2021.

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Is ENSO running a fever, or is it global warming?
April 22, 2021
The tropical Pacific Ocean is warming up! What does that mean for the way we measure the El Niño-Southern Oscillation (ENSO)? Time to start looking at relative sea surface temperatures.

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April 2021 ENSO update: spring triathlon
April 7, 2021
La Niña conditions are still present in the tropical Pacific, but they're weakening. Our blogger gives you the rundown on all things La Niña.

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Winter outlook 2020-2021: a look back
March 25, 2021
Spring means only one thing at the ENSO Blog: it's time to verify the Winter Outlook! So how did things turn out? Read on to find out.

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March 2021 ENSO update: fine feathered friends
March 11, 2021
La Niña weakened through February, and a transition to neutral is likely in the late spring.

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Did the Northern Hemisphere get the memo on this year's La Niña?
February 25, 2021
La Niña has been going strong this winter, but the Northern Hemisphere doesn't appear to be paying attention. Our blogger discusses what may be going on.

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February 2021 ENSO update: library time
February 11, 2021
There's a 60% chance that ENSO-neutral conditions will return this spring. Our blogger covers the forecast, and what "average" really means.

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On the sudden stratospheric warming and polar vortex of early 2021
January 28, 2021
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.

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