Knot Lift Wind Shear 
Air Facts
OCTOBER 14, 2024
The mechanical force is via the wind velocity and direction. Wind velocity of greater than 20 knots with higher gusts, especially flowing over rough terrain, can lead to an unwelcome flight. The eddies mixing with the vertical motion of the heat generating lift of the heated air makes for discomfort.
Pilot Institute
OCTOBER 15, 2024
Thunderstorms create turbulence, wind shear, and icing risks for aircraft. Lifting movement of moist air. Squall line thunderstorms have the potential for severe weather conditions, including strong straight-line winds, microbursts, wind shear, and flooding. What are Thunderstorms? Some might seem harmless.
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Chess In the Air
JULY 4, 2022
Most western pilots have patiently worked such lift for an hour or more while waiting for conditions to improve near their destination airport. Considering the delay in the AWOS reporting, it may also be helpful to proactively use the radio to ask anyone on the ground for the current winds (e.g. the local FBO).
Pilot Institute
NOVEMBER 5, 2024
A sudden wind shift, a 10-knot or greater speed increase, a 45-degree or more direction change, or gusts exceeding limits may also cause a SPECI. Wind Information The next thing you will find is wind information. This includes the wind direction in degrees and the wind speed in knots.
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. This is consistent with Rick’s report, which referenced 9 knots of wind.
Pilot Institute
FEBRUARY 15, 2025
The pilots fought to recover, but the wind shear was too strong. Key Takeaways Microbursts can cause severe wind shear and downdrafts. It is the most severe type of wind shear. Theyre a form of low-level wind shear, which is a rapid shift in wind speed or direction near the ground.
Flying Magazine
MAY 1, 2024
Some gust fronts can be completely harmless or may be a precursor for an encounter with severe turbulence and dangerous low-level convective wind shear. These gust fronts often contain severe or extreme turbulence, strong and gusty straight-line winds, and low-level convective wind shear.
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