A windsock gives a real-time indication of wind speed and direction.
Typical location: airport
Windsock: 5 segments with alternating colors
|
Segment Horizontal
|
Wind Speed mph
|
Wind Speed Knots
|
|
none
|
< 3.5
|
< 3
|
|
1 (closest to tether)
|
3.5
|
3
|
|
2
|
7
|
6
|
|
3
|
10
|
9
|
|
4
|
14
|
12
|
|
5 (all)
|
>= 17
|
>=15
|
wind speed in knots =
= (number of segments horizontal) * 3
