a b
0 0 Calm
1 1 Light Air
2 1 Light Air
3 1 Light Air
4 2 Light Breeze
5 2 Light Breeze
6 2 Light Breeze
7 2 Light Breeze
8 3 Gentle Breeze
9 3 Gentle Breeze
10 3 Gentle Breeze
11 3 Gentle Breeze
12 3 Gentle Breeze
13 4 Moderate Breeze
14 4 Moderate Breeze
15 4 Moderate Breeze
16 4 Moderate Breeze
17 4 Moderate Breeze
18 4 Moderate Breeze
19 5 Fresh Breeze
20 5 Fresh Breeze
21 5 Fresh Breeze
22 5 Fresh Breeze
23 5 Fresh Breeze
24 5 Fresh Breeze
25 6 Strong Breeze
26 6 Strong Breeze
27 6 Strong Breeze
28 6 Strong Breeze
29 6 Strong Breeze
30 6 Strong Breeze
31 6 Strong Breeze
32 7 Near Gale
33 7 Near Gale
34 7 Near Gale
35 7 Near Gale
36 7 Near Gale
37 7 Near Gale
38 7 Near Gale
39 8 Gale
40 8 Gale
41 8 Gale
42 8 Gale
43 8 Gale
44 8 Gale
45 8 Gale
46 8 Gale
47 9 Severe Gale
48 9 Severe Gale
49 9 Severe Gale
50 9 Severe Gale
51 9 Severe Gale
52 9 Severe Gale
53 9 Severe Gale
54 9 Severe Gale
55 10 Storm
56 10 Storm
57 10 Storm
58 10 Storm
59 10 Storm
60 10 Storm
61 10 Storm
62 10 Storm
63 10 Storm
64 11 Violent Storm
65 11 Violent Storm
66 11 Violent Storm
67 11 Violent Storm
68 11 Violent Storm
69 11 Violent Storm
70 11 Violent Storm
71 11 Violent Storm
72 11 Violent Storm
73 12 Hurricane
74 12 Hurricane
75 12 Hurricane
76 12 Hurricane
77 12 Hurricane
78 12 Hurricane
79 12 Hurricane
80 12 Hurricane
81 12 Hurricane
82 12 Hurricane
83 12