Tail True Airspeed Wind Shear 
Air
MAY 21, 2025
Wind Shear: The Abrupt Shift Wind shear refers to any abrupt divergence in wind characteristics be it speed, direction, or both that unfolds over a minimal distance. Headwind component (Vf), either on the face or tail, is calculated with the cosine function. And it’s unique in Europe!
Chess In the Air
JUNE 24, 2022
The Rifle ASOS recorded a gust of 43 mph from the south: a 100-degree shift in direction, putting it right on his tail. Moderate wind shear in some areas could make some thermals somewhat difficult to work but that, too, is typical. ” The wind gust could of course only be reported after it had been measured.
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