Is there anything being borne in the wind stream that could affect friction - debris, sand etc.?

They swung around the car, locked shields and drove in together, immediately lifting the wind stream off Marshall.

Two hundred yards away the road disappeared into the dim whirling mass of the wind stream.

The tunnel blows a wind stream of 200 km/h within a diameter of 3.7 meters.

Rod lifted his head to let the wind stream over his face.

Giordino and Pitt ignored the wind stream and leaned farther out the windows.

That way you'd be able to pick out the wind stream which could carry you to the top.

Joad reached forward and crushed its hard skull-like head with his fingers, and he let it into the wind stream out the window.

A high-speed solar wind stream has been buffeting the Earth's magnetic field for a couple of days.

To a certain extent a balloon pilot can set a course by rising or descending into wind streams going in the desired direction.