It is used in aviation, it shows a pilot which way the wind is blowing thus facilitating a safe landing. More important for light aircraft. It can be used on motorways to warn drivers of strong winds and in what direction
To indicate the direction and, to a certain extent, the strength of the wind.
a windsock from japan
The original use for a windsock was to be able to determine the wind speed and wind direction at airports or chemical plants. Windsocks are now more commonly used for decoration
To see what direction the wind is heading... they're fun to use too!
Generally windsock do narrow towards the free end
So the wind passed through and moves the windsock in the direction the wind is blowing.
Wings for Roger Windsock - 1947 was released on: USA: 1947
You get wind reports as you approach an airfield but the windsock gives you realtime info as you approach the runway. It would be impractical to keep checking the forecast as you make your approach... The other big benefit is that light aircraft may be flying into an airfield without weather reports. The windsock shows you what the wind is doing and therefore which runway to use.
The first documented use of a windsock dates back to the early 19th century. The exact year is unclear, but it is believed to have been developed in the early 1800s by British naval officer and inventor Francis Beaufort. The windsock was originally used as a maritime weather indicator.
a Chinese windsock
At airports.
it was invented in 1432
Windsocks are often used at airports to indicate the direction and strength of the wind.A standard windsock has white and orange stripes