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TROPICAL CYCLONES IN 2003

TABLE 4.6    

DURATION OF TROPICAL CYCLONE WARNING SIGNALS ISSUED IN HONG KONG : 1956-2003

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 306 43 12 161 0 4 30 275 22 570 15 36 35
3 or higher 206 30 31 124 15 4 30 130 57 306 35 17 15
8 or higher 71 15 29 66 50 2 40 22 55 100 55 0 0
8 NW 19 6 13 15 45 1 30 2 28 18 0 0 0
8 SW 26 5 0 10 45 2 30 2 42 16 10 0 0
8 NE 53 8 9 35 35 2 35 9 0 40 20 0 0
8 SE 40 7 20 21 45 0 20 6 7 31 15 0 0
9 or higher 18 7 1 12 25 2 0 2 38 19 25 0 0
10 12 6 34 11 0 2 30 1 38 12 10 0 0

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