UFC 4-159-03
3 October 2005
Table 3-14. (continued) Storm Parameters
(c) Beaufort Wind Force*
LOWER WIND SPEED
UPPER WIND SPEED
(m/s)
(mph)
(knts)
(m/s)
(mph)
(knts)
BEAUFORT WIND
FORCE/
DESCRIPTION
0
CALM
0.0
0
0
0.5
1
1
1
LIGHT AIRS
0.5
1
1
1.5
4
3
2
LIGHT BREEZE
2.1
5
4
3.1
7
6
3
GENTLE GREEZE
3.6
8
7
5.1
12
10
4
MODERATE
5.7
13
11
8.2
18
16
BREEZE
5
FRESH BREEZE
8.8
20
17
10.8
24
21
6
STRONG BREEZE
11.3
25
22
13.9
31
27
7
MODERATE GALE
14.4
32
28
17.0
38
33
8
FRESH GALE
17.5
39
34
20.6
46
40
9
STRONG GALE
21.1
47
41
24.2
54
47
10 WHOLE GALE
24.7
55
48
28.3
63
55
11 STORM
28.8
65
56
32.4
73
63
12 HURRICANE
32.9
74
64
36.6
82
71
*After Handbook of Ocean and Underwater Engineers,
Myers et al. (1969). The above table should be used with caution,
because design conditions for a specific site could vary from the values shown.
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