Glossary "W"


The threads in a piece of fabric that run the length of the fabric.


Determine neutral buoyancy of a gas balloon or airship by taking weight off at launch.


Wind Direction

Wind direction is alwaysexpressed by the direction the wind is coming from.

Wind Shear

A strong and sudden shift in wind speed or direction, which may be either vertical or horizontal. Wind shear should not be confused with normal wind change, which is gentler. Wind shear is often associated with the passage of a weather front, or a strong temperature inversion.


Wind Sock

A long, tapered cloth tube, open at both ends, mounted on an elevated pole, and allowed to pivot. The large end is supported and held open by a circular ring and points toward the wind.


 ŠAvStop Online Magazine                                                                                                                                                       Contact Us              Return To Books

AvStop Aviation News and Resource Online Magazine

Grab this Headline Animator