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Fastest Katabatic Wind: Antarctica
How strong are the gusts at the bottom of the world? It’s hard to say because instruments so often ice up and stop working, and those immune to freezing sometimes simply blow away in the harsh polar weather. Blowing snow can trick ultrasonic wind meters as well.
In any case, Antarctica holds the Guinness World Record for fastest katabatic wind (wind that travels down a slope), which was 168 mph, recorded in 1912 at Cape Denison in Commonwealth Bay. The region's annual average daily maximum wind speed is 44 mph, qualifying as gale force (greater than 39 mph).4
The weather patterns are affected by cold temperatures and by the topography of Antarctica itself, which slopes down toward the coastlines. This geography creates strong downslope winds that can cause blizzardlike conditions for weeks on end.
How strong are the gusts at the bottom of the world? It’s hard to say because instruments so often ice up and stop working, and those immune to freezing sometimes simply blow away in the harsh polar weather. Blowing snow can trick ultrasonic wind meters as well.
In any case, Antarctica holds the Guinness World Record for fastest katabatic wind (wind that travels down a slope), which was 168 mph, recorded in 1912 at Cape Denison in Commonwealth Bay. The region's annual average daily maximum wind speed is 44 mph, qualifying as gale force (greater than 39 mph).4
The weather patterns are affected by cold temperatures and by the topography of Antarctica itself, which slopes down toward the coastlines. This geography creates strong downslope winds that can cause blizzardlike conditions for weeks on end.