Leaves rustle and small twigs move. Ordinary wind vanes move. 3 Gentle Breeze 8 to 12 mph Leaves and small twigs in constant motion. Wind blows up dry leaves from the ground. Flags are extended out.
Wind moves small branches.
Wind raises dust and loose paper from the ground and drives them along. 5 Fresh Breeze 19 to 24 mph Large branches and small trees in leaf begin to sway. Crested wavelets form on inland lakes and large rivers. 6 Strong Breeze 25 to 31 mph Large brances in continous motion. Whistling sounds heard in overhead or nearby power and telephone lines.