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A combination of prevailing winds and the rotation of the earth drive litter up the loch to create what is known as the Arrochar litter sink.

Yana Valachovic, a fire scientist at the University of California, said some of the spared houses were tucked away from prevailing wind currents so that embers didn’t hit them.

Unlike the prevailing winds in Southern California, which flow generally from west to east, carrying temperate air from the Pacific, the Santa Anas flow from northeast to southwest out of the Mojave Desert.

They say British institutions are being "battered by numerous prevailing winds", including stretched finances and restrictions on international students, which could make it hard to sustain its position in the future.

Fortunately, large-scale firestorms are almost unheard-of in the area, in part because the region’s narrow canyons and strong prevailing winds act to direct gusts — and therefore fires — in specific directions.