Windsocks

Windsocks

Windsocks are calibrated to visually show wind speed as well as wind direction. They are designed such that each inflated red/white stripe indicates a 3-knot increase in wind speed to a maximum of 15 knots.

Previous Fact Next Fact
Categories: ScienceWeather

Latest FactRepublic Video

32 Incredible Easter Eggs You Missed in Harry Potter Movies