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Tropical Cyclones in 2021 > Table 4.6

TROPICAL CYCLONES IN 2021

Tabble 4.6    Duration of tropical cyclone warning signals issued in Hong Kong : 1956 - 2021

Signal
Number of
occasions
Duration of each occasion
Total duration per year
Mean
(hr min)
Maximum
(hr min)
Minimum
(hr min)
Mean
(hr min)
Maximum
(hr min)
Minimum
(hr min)
1 or higher 406 42      41 161      0
(Tilda, 1964)		 4      30
(T.D., 2000)		 262     32 570      15
(1964) 		36     35
(1959)
3 or higher 272 29       0 124      15
(Mary, 1960)		 4      5
(T.D., 2006)		 119      32 306      35
(1974)		 15      5
(2004)
8 or higher 101 14      32 66      50
(Mary, 1960)		 2      40
(Wynne, 1984)		 22      15 100      55
(1964)		 0      0
8 NW 29 5      48 15      45 1      30 2      33 18       0 0      0
8 SW 35 4      58 10      45 2       0 2      38 16      10 0      0
8 NE 68 7      51 35      35 1      35 8        5 40      20 0      0
8 SE 55 7      41 22       0 0      20 6      25 31      15 0      0
9 or higher 24 7        2 12      25
(York, 1999)		 2      0
(Dujuan, 2003)		 2      34 19      25
(1964)		 0      0
10 15 6      26 11      0
(York, 1999)		 2      30
(Alice, 1961) 		1     28 12      10
(1964)		 0      0

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