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TROPICAL CYCLONES IN 2010

Table 4.6     DURATION OF TROPICAL CYCLONE WARNING SIGNALS ISSUED IN HONG KONG : 1956-2010
 
Signal Number
of
occasions		 Duration of each occasion Total duration per year
Mean Maximum Minimum Mean Maximum Minimum
h min h min h min h min h min h min
1 or higher
342
42
53
161
0
4
30
266
39
570
15
36
35
(Tilda, 1964)
(T.D., 2000)
(1964)
(1959)
3 or higher
227
29
44
124
15
4
30
122
44
306
35
15
5
(Mary, 1960)
( T.D., 2000)
(1974)
(2004)
8 or higher
80
15
0
66
50
2
40
21
49
100
55
0
0
(Mary, 1960)
(Wynne, 1984)
(1964)
8 NW
23
5
47
15
45
1
30
2
25
18
0
0
0
8 SW
31
4
49
10
45
2
0
2
43
16
10
0
0
8 NE
58
7
49
35
35
2
0
8
15
40
20
0
0
8 SE
44
7
21
21
45
0
20
5
53
31
15
0
0
9 or higher
20
7
2
12
25
2
0
2
33
19
25
0
0
(York,1999)
 (Dujuan, 2003)
(1964)
10
12
6
34
11
0
2
30
1
26
12
10
0
0
(York,1999)
(Alice, 1961)
(1964)

Note: ( ) are the years and the names of the tropical cyclones which created the record.

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