TROPICAL CYCLONES IN 2012

Table 4.6

Duration of tropical cyclone warning signals issued in Hong Kong: 1956-2012

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	352	42	59	161	0	4	30	265	28	570	15	36	35
				(Tilda, 1964)		(T.D., 2000)				(1964)		(1959)
3 or higher	235	29	29	124	15	4	5	121	32	306	35	15	5
				(Mary, 1960)		(T.D., 2006)				(1974)		(2004)
8 or higher	84	14	46	66	50	2	40	21	45	100	55	0	0
				(Mary, 1960)		(Wynne, 1984)				(1964)
8 NW	23	5	47	15	45	1	30	2	20	18	0	0	0
8 SW	31	4	49	10	45	2	0	2	37	16	10	0	0
8 NE	60	7	41	35	35	1	35	8	5	40	20	0	0
8 SE	48	7	20	21	45	0	20	6	11	31	15	0	0
9 or higher	21	6	54	12	25	2	0	2	32	19	25	0	0
				(York, 1999)		(Dujuan, 2003)				(1964)
10	13	6	17	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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