On tree-lined courses, it is more difficult to judge wind strength and direction.

I asked him about wind strengths and we looked at the map again.

Everything I've heard indicates that we can expect the wind strength to go on increasing for several days more at least.

Whistling on board a sailing ship is thought to encourage the wind strength to increase.

Much depends on the wind strength of the day.

The crew number varied according to the wind strength, often with a boy carried to bail out water.

Much depends on the wind strength as to how accurately it is possible to land.

I'm afraid the midnight drop in wind strength will not affect your area.

From wind strength 6 the tower is closed for safety reasons.

The intensity of the upwelling event is determined by wind strength.