El Nino and La Nina
El Niño and La Niña are parts of an oscillation in the ocean-atmosphere system (called the El Niño Southern Oscillation, or ENSO cycle) that can impact weather and climate conditions across the globe. El Niño features warmer-than-average temperatures in the waters of the equatorial Pacific Ocean, while La Niña features colder-than-average waters. Read our stories below on the latest ENSO conditions and research into how the cycle affects global weather patterns.
Latest about El Nino and La Nina
'It's hard to communicate how unbelievable this is': Hurricane Beryl is the earliest Category 5 storm on record
By Ben Turner published
Unprecedented sea surface temperatures have driven the powerful storm to form early in the year, sowing catastrophe across the Caribbean.
The Atlantic May See Up to 4 Major Hurricanes This Season, New Forecast Says
By Laura Geggel published
Here's what to expect for the 2019 Atlantic hurricane season and how to get prepared.
Hearts Ripped from 140 Children and 200 Llamas in Largest Child Sacrifice in Ancient World
By Laura Geggel published
Evidence Mounts Against So-Called Climate Change Hiatus
By Laura Geggel published
Evidence is mounting against the so-called climate change hiatus — a period lasting from 1998 to 2012 — when global temperatures allegedly stopped rising as sharply as they had before.
El Nino's Absence May Fuel a Stormy Hurricane Season
By Tia Ghose published
This year's hurricane season is likely to be more active than usual, thanks to an absent El Niño and warmer tropical Atlantic Ocean waters.
Twin Hurricanes Matthew and Nicole Could Herald More Storms to Come
By Tom Metcalfe published
Back-to-back hurricanes Matthew and Nicole may signal worse weather to come if La Niña climate conditions take hold across the globe, according to weather scientists.
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