Smoke from Australia's worst wildfires in decades may have contributed to the rare triple La Niña weather event that impacted continents thousands of miles away, according to new research.
Smoke from Australia’s worst wildfires in decades may have contributed to the rare triple La Niña weather event that impacted continents thousands of miles away, according to new research. Flames burned through 46 million acres from June 2019 to January 2020 – during Australia’s summer months – thrusting emissions into the Earth’s atmosphere and potentially shifting weather patterns, said a study published in Science Advances on Wednesday.
How did wildfire emissions set off La Niña? Scientists have previously established that large volcanic eruptions in the Southern Hemisphere can shift the odds toward the formation of La Niña. In such instances, smoke high in the atmosphere results in the formation of light-reflecting particles called aerosols, which can cool the climate and ultimately create favorable conditions for La Niña.
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