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Windlayers, how to?


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Meteorologically speaking, it's probably rare if ever where surface winds are going to be more than winds aloft. For instance, let's take a winter day after a frontal passage. Winds may be, let's say 10 to 15 knots on the surface. As you increase in altitude, wind speed, and likely direction, will change, either veering or backing, depending on your position in the weather system. As you get upstairs, especially above 10k feet, you may start experiencing 100 to 200 or more knots. During WWII, the Japanese referred to these as the divine winds but are properly called the jetstream. 

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One of the best references I've seen (better than most aviation sites) is from the National Wildfire Coordination Group. The effects of wind, both surface and aloft, are clearly explained. Very detailed.

https://www.nwcg.gov/publications/pms425-1/general-winds

 

For a great classic on the atmosphere and all associated weather/winds/etc. you must read "Song of the Sky" by Guy Murchie.

Informative and an enjoyable book to read.

https://archive.org/details/songofsky00murc

Always Aviate, then Navigate, then Communicate. And never be low on Fuel, Altitude, Airspeed, or Ideas.

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Laptop, Intel Core i7 CPU 1.80GHz 2.30 GHz, 8GB RAM, 64-bit, NVIDIA GeoForce MX 130, Extra large coffee-black.

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