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To: epicure who wrote (456397)	10/29/2020 10:17:25 AM
From: Graystone	1 Recommendation Recommended By abuelita Read Replies (1) \| Respond to of 541777

Very cool or Named winds I googled that as well, a very cool wind. Calgary has a similar phenomenon called chinook winds. The links said Taku winds are cold and occur in the winter, chinook winds are warm winter winds. You can see a chinook coming, another phenomenon called the chinook arch. The warm winds push under the cold air and slide down the eastern slopes of the Rockies into Calgary. Temperatures can rise as 30 or 40 degrees celsius in a matter of hours. Leaving home in the morning it could be minus twenty, coming home in the afternoon, plus fifteen. In addition to the chinook winds warming the city Calgary gets a similar but opposite situation. The warm air can come off the mountains and cover the cold air below. Calgary sit in a natural bowl caused by the meeting of the Bow and Elbow Rivers. The bowl fills up with the fumes from the city, it fills quickly. This creates spikes Calgary's air quality, it becomes very very bad. From a high vantage you can actually see the layer of pollution trapped in the city below. This picture is taken from a ridge on the SW corner of the city called Signal Ridge. You can see the yellow soup that forms from the trapped pollutants.

To: epicure who wrote (456397)	10/29/2020 11:02:12 AM
From: koan	1 Recommendation Recommended By epicure Respond to of 541777

They only happen in winter when the temperature is about zero. And when the wind blows that hard at 0 degrees it dries out the wood. So the wood is like kindling. When it catches fire with the wind it is hard to put out. I also know a person cannot spend much time outdoors in that as the wind chill is massive. So when I hear of a mountain climber caught in one of those, I know what they are going through and am amazed they survive at all. Often they don't. But in Juneau they only occur in downtown Juneau and across the channel, but not in the valley. Geography. Imagine the mountains behind are like chocolate drops lined up. Then air is forced between the chocolate drops. It is compressed, like when a river gets real narrow. 10 years after being in Juneau, I moved to the valley-lol. There is often a lot of roof damage and sometimes the roofs blow right off. As mentioned the city of Douglas has burned to the ground twice. PS if you look at a map you will see that right below Juneau is the huge Taku river, and river valley. It is a big salmon river with lots of king salmon. Going up that river is pure pristine wilderness, like Lewis and Clark pristine. The winds come down that in winter, and howling.