Mmastodon ScienceScience first seen 1 d ago, last 39 min ago, peak #1

El Niño forms as Pacific trade winds weaken

Original: 🌊 NEW: El Niño begins when trade winds over the tropical # Pacific weaken, letting warm surface # water spread eastward

A new El Niño event is under way in the tropical Pacific. Weakened trade winds are letting warm surface water spread eastward instead of accumulating near Indonesia, shifting the zone of rising moist air with it. The change brings heavier rain to coastal Peru while drying out the western Pacific, with global weather impacts expected in the months ahead.

Why now: A newly declared El Niño has global implications for weather, agriculture and temperatures, drawing wide public attention.

El NiñoPacific OceanPeruIndonesia

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Rank over time, top of the chart is #1. 18 snapshots from 23 h ago to 39 min ago.

Evidence

• 🌊 NEW: El Niño begins when trade winds over the tropical # Pacific weaken, letting warm surface # water spread eastward instead of piling up near # Indonesia . The zone of rising moist air shifts with it, bringing # rain to coastal # Peru while sinking air dries the western… · tksst@fediscience.org · 3

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