Western Disturbances: Origin, Spread, Effects and Climate Change | UPSC
What are Western Disturbances? Western disturbances (WDs) are eastward-moving extra tropical mid-tropospheric cyclonic circulations most often embedded in the subtropical westerly jetstream (STWJ). A jet stream is a river-like current of air circulating across the globe at upper levels of the troposphere (near the altitude of 30,000 feet). Why are they named so? The word […]
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