Remove Indicated Airspeed Remove Knot Remove Wind Shear
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Turbulence

Air Facts

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. I looked at the airspeed and it was jumping +/-5-10 knots. As we turned back, the wind shear hit.

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Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

Moderate wind shear in some areas could make some thermals somewhat difficult to work but that, too, is typical. Between 5:10 and 5:34 PM, Rifle’s AWOS system reported light winds out of the west in the range of 4 to 9 kts (see chart below) with no wind gusts. Some passing high clouds were unlikely to be a factor.

Pilot 52