1. Songs of Wind Levels
Level 0 windless smoke; Level 1 soft wind smoke slightly slanted;
Level 2 breeze with the sound of leaves; Level 3 breeze Branches sway;
Level 4 gentle winds cause dust to rise; Level 5 clear winds cause waves;
Level 6 strong winds shake big trees; Level 7 strong winds make it difficult to walk;
Tree branches were broken by strong winds of level 8; chimneys were destroyed by strong winds of level 9;
Tree roots were uprooted by strong winds of level 10; storms of level 11 are rare;
The waves of hurricanes of level 12 are overwhelming.
2. Wind level table