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Why extreme weather fuels commodity markets
Why extreme weather fuels commodity markets
by Harry Wed Oct 11, 2017 4:08 pm
Why extreme weather fuels commodity markets
Hurricane Harvey disrupted the US's oil producing hub
By: Anna Isaac
8 October 2017 • 11:53am
Most people don’t fear little girls, but meteorologists know better when it comes to this one, and so do economists. In September, the risk of La Niña, (Spanish for “little girl”), a weather pattern that in its strongest manifestation has been blamed for flooded mines in Australia and failed crops in Brazil, was tripled to 60pc by the US Climate Prediction Centre.
La Niña is part of what is known as the El Niño-Southern Oscillation cycle. While El Niño warms waters in the central Pacific Ocean, La Niña has an opposite effect. And the changes in sea temperature caused by these weather events can trigger large shifts in weather patterns. When a strong La Niña hits, as seen in 2010-11, it can cause drought, flooding and, at its most bizarre, bumper catches off the coast of Peru as fluctuations in water temperatures change the feeding grounds of fish.
Even just a hint of its arrival can raise...
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