downdraught

British  

/ ˈdaʊnˌdrɑːft /

noun

1. the large-scale downward movement of air in the lee of large objects, mountains, etc

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Example Sentences

Mining stocks have been caught in the downdraught, too.

From Barron's

Cool, sinking air from a storm cloud's downdraught spreads out across the land surface, with the leading edge called a gust front.

From BBC

Accelerated winds near skyscrapers are caused by the "downdraught effect", says Nada Piradeepan, an expert on wind properties at engineering consultancy firm Wintech.

From BBC

"The downdraught effect is most strong where buildings stand face-on to the prevailing wind, which in London is from the south west."

From BBC

More rounded buildings, such as London's Gherkin, don't have quite the same downdraught effect and don't encourage an increase in wind speed around them, as the air doesn't accelerate around corners, he adds.

From BBC