TROPICAL CYCLONES IN 2014

TABLE 4.6 DURATION OF TROPICAL CYCLONE WARNING SIGNALS ISSUED IN HONG KONG : 1956-2014

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	363	42	54	161	0	4	30	263	54	570	15	36	35
				(Tilda, 1964)		(T.D., 2000)				(1964)		(1959)
3 or higher	242	29	27	124	15	4	5	120	46	306	35	15	5
				(Mary, 1960)		(T.D., 2006)				(1974)		(2004)
8 or higher	87	14	42	66	50	2	40	21	41	100	55	0	0
				(Mary, 1960)		(Wynne , 1984)				(1964)
8 NW	24	5	47	15	45	1	30	2	21	18	0	0	0
8 SW	32	4	56	10	45	2	0	2	41	16	10	0	0
8 NE	60	7	41	35	35	1	35	7	49	40	20	0	0
8 SE	50	7	32	21	45	0	20	6	23	31	15	0	0
9 or higher	21	6	54	12	25	2	0	2	27	19	25	0	0
				(York, 1999)		(Dujuan, 2003)				(1964)
10	13	6	17	11	0	2	30	1	23	12	10	0	0
				(York, 1999)		(Alice, 1961)				(1964)

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