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BEAUFORT SCALE OF WIND FORCE
Scale
Name/Rating
Navn
Miles/h
Km/h
m/s
Knots
0
Calm
Stille
1
1.6
0.45
0.87
1
Light Air
Flau Vind
1 - 3
1.6 - 5
0.45 - 1.34
0.87 - 2.61
2
Light Breeze
Svak Vind
4 - 7
6 - 11
1.79 - 3.13
3.48 - 6.08
3
Gentle Breeze
Lett Bris
8 - 12
13 - 19
3.58 - 5.36
6.95 - 10.43
4
Moderate Breeze
Laber Bris
13 - 18
21 - 29
5.81 - 8.05
11.30 - 15.64
5
Fresh Breeze
Frisk Bris
19 - 24
31 - 39
8.49 - 10.73
16.51 - 20.86
6
Strong Breeze
Liten Kuling
25 - 31
40 - 50
11.18 - 13.86
21.73 - 26.94
7
Moderate Gale
Stiv Kuling
32 - 38
51 - 61
14.30 - 16.99
27.81 - 33.02
8
Fresh Gale
Sterk Kuling
39 - 46
63 - 74
17.43 - 20.56
33.89 - 39.97
9
Strong Gale
Liten Storm
47 - 54
76 - 87
21.01 - 24.14
40.84 - 46.93
10
Whole Gale
Full Storm
55 - 63
89 - 101
24.59 - 28.16
47.80 - 54.75
11
Storm
Sterk Storm
64 - 75
103 - 121
28.61 - 33.53
55.62 - 65.18
12
Hurricane
Orkan
76+
122+
33.97+
66.04+
1m/s =
1km/h =
1mph = 0.447 m/s
1knot =