Lift 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. Can cause sudden losses or gains in indicated airspeed (IAS), directly affecting lift. And it’s unique in Europe!
Chess In the Air
JUNE 24, 2022
Moderate wind shear in some areas could make some thermals somewhat difficult to work but that, too, is typical. There were some patches of moderate lift and sink as would be expected on a normal summer soaring day. ” Unlike tornadoes and other twisters, microbursts are straight-line winds. to 2 miles) in diameter.
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