| |
The
Wind Rose is an instrument designed to show not just the
direction the wind is blowing, but the strength of the
wind. The direction arrow points in the direction the wind is blowing. The colour of the arrow changes according to the wind speed: Wind (km/h) Blue < 4 Cyan < 7 Green < 11 Yellow < 17 Red > 17 |
|
Powered by:
|
 |