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Off track: Storms veer poleward in a warmer world

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November 15, 2017 Weizmann Institute of Science Read full ScienceDaily article here

Under global climate change, Earth’s climatic zones will shift toward the poles. This is not just a future prediction; it is a trend that has already been observed in the past decades. The dry, semi-arid regions are expanding into higher latitudes, and temperate, rainy regions are migrating poleward. ….researchers provide new insight into this phenomenon by discovering that mid-latitude storms are steered further toward the poles in a warmer climate.

Their analysis, which also revealed the physical mechanisms controlling this phenomenon, involved a unique approach that traced the progression of low-pressure weather systems both from the outside — in their movement around the globe — and from the inside — analyzing the storms’ dynamics….

Talia Tamarin-Brodsky, Yohai Kaspi. Enhanced poleward propagation of storms under climate change. Nature Geoscience, 2017; DOI: 10.1038/s41561-017-0001-8

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