AGL Knot Wind Shear 
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. He only needed a glide ratio of 14:1 to reach the airfield to arrive at a typical pattern altitude of 1,000 ft AGL. At this point he still had an altitude of 8,275 ft MSL, i.e. 2,739 ft AGL.
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Chess In the Air
JULY 4, 2022
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. Microbursts are not the only source of severe wind-shear close to the ground. Sudden and very powerful surface winds can have various other causes. the local FBO).
Air Facts
APRIL 24, 2024
Then, descending through just a few hundred feet AGL, and a few hundred yards from the end of the runway, the turbulence diminished. While I have speculated here as to causes (wind shear or severe turbulence—you may judge), we, in hindsight, would have been well served to have departed earlier, getting farther “ahead of it.”
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.
Pilot Institute
JUNE 26, 2024
Weather Go-arounds due to weather occur due to wind shear caused by gusting winds or microbursts. When an aircraft encounters horizontal wind shear, it could be blown off centerline. Similarly, if an aircraft encounters vertical wind shear, it reduces or increases the sink rate.
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