A windsock provides both wind direction and windspeed. So long as you have at least 3 knots of wind the sock will provide wind direction +/- 5 degrees. When wind speed is at least 15 knots (17 mph) the sock will be fully erect (no sagging). Windsocks are designed per the FAA to withstand up to 75 knot winds.
a windsock from japan
A windsock. It's the cone-shaped "flag" that you see on the runway at airports, its also normally striped orange and white.
An anemometer for the wind speed and a windsock or a windvane for the wind direction.
Temperature: thermometer Rainfall: pluviometer Wind speed: anemometer Wind direction: wind vane, windsock
You need to specify where.
a windsock from japan
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
At airports.
a Chinese windsock
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
It shows wind direction.
a windsleeve, a windcone
No
it shows how hard the wind is blowing