TROPICAL CYCLONES IN 2012
Table 4.4
Frequency and total duration of display of tropical cyclone warning signals :1956-2012
| Year | Signal | Total duration | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 8NW | 8SW | 8NE | 8SE | 9 | 10 | h | min | |
| 1956 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
191
| 25 |
| 1957 | 4 | 9 | 1 | 1 | 2 | 2 | 0 | 1 |
295
| 45 |
| 1958 | 4 | 5 | 0 | 0 | 1 | 0 | 0 | 0 |
214
| 5 |
| 1959 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
36
| 35 |
| 1960 | 11 | 7 | 0 | 2 | 2 | 2 | 1 | 1 |
432
| 35 |
| 1961 | 6 | 7 | 1 | 2 | 1 | 0 | 1 | 1 |
192
| 55 |
| 1962 | 4 | 3 | 0 | 1 | 1 | 0 | 1 | 1 |
158
| 10 |
| 1963 | 4 | 5 | 0 | 0 | 1 | 0 | 0 | 0 |
175
| 50 |
| 1964 | 11 | 14 | 1 | 3 | 5 | 3 | 3 | 2 |
570
| 15 |
| 1965 | 7 | 6 | 0 | 0 | 1 | 1 | 0 | 0 |
239
| 40 |
| 1966 | 6 | 5 | 0 | 0 | 2 | 2 | 0 | 0 |
284
| 40 |
| 1967 | 8 | 6 | 0 | 0 | 2 | 1 | 0 | 0 |
339
| 10 |
| 1968 | 7 | 7 | 0 | 1 | 1 | 0 | 1 | 1 |
290
| 10 |
| 1969 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
110
| 15 |
| 1970 | 6 | 8 | 2 | 1 | 2 | 0 | 0 | 0 |
286
| 45 |
| 1971 | 9 | 10 | 1 | 3 | 2 | 2 | 1 | 1 |
323
| 25 |
| 1972 | 8 | 6 | 0 | 0 | 1 | 1 | 0 | 0 |
288
| 20 |
| 1973 | 8 | 6 | 1 | 1 | 1 | 0 | 1 | 0 |
416
| 50 |
| 1974 | 12 | 10 | 0 | 0 | 2 | 1 | 1 | 0 |
525
| 20 |
| 1975 | 8 | 6 | 1 | 0 | 0 | 1 | 1 | 1 |
292
| 20 |
| 1976 | 6 | 6 | 0 | 0 | 1 | 2 | 0 | 0 |
351
| 30 |
| 1977 | 8 | 6 | 0 | 0 | 1 | 0 | 0 | 0 |
395
| 10 |
| 1978 | 8 | 9 | 1 | 1 | 3 | 2 | 0 | 0 |
462
| 10 |
| 1979 | 5 | 5 | 1 | 0 | 2 | 2 | 1 | 1 |
281
| 15 |
| 1980 | 10 | 8 | 0 | 0 | 1 | 1 | 0 | 0 |
414
| 5 |
| 1981 | 5 | 4 | 0 | 0 | 1 | 1 | 0 | 0 |
202
| 20 |
| 1982 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
247
| 35 |
| 1983 | 8 | 7 | 0 | 1 | 2 | 2 | 1 | 1 |
289
| 42 |
| 1984 | 6 | 6 | 0 | 0 | 1 | 0 | 0 | 0 |
280
| 2 |
| 1985 | 5 | 4 | 1 | 0 | 0 | 1 | 0 | 0 |
193
| 35 |
| 1986 | 6 | 7 | 0 | 1 | 1 | 0 | 0 | 0 |
305
| 0 |
| 1987 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
165
| 45 |
| 1988 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
204
| 10 |
| 1989 | 7 | 8 | 0 | 0 | 2 | 2 | 0 | 0 |
306
| 10 |
| 1990 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
245
| 10 |
| 1991 | 8 | 6 | 0 | 0 | 1 | 1 | 0 | 0 |
349
| 55 |
| 1992 | 5 | 5 | 0 | 0 | 1 | 1 | 0 | 0 |
167
| 5 |
| 1993 | 8 | 9 | 0 | 0 | 2 | 4 | 0 | 0 |
325
| 40 |
| 1994 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
138
| 10 |
| 1995 | 8 | 6 | 2 | 2 | 1 | 1 | 0 | 0 |
348
| 50 |
| 1996 | 7 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
189
| 0 |
| 1997 | 2 | 3 | 0 | 1 | 1 | 0 | 1 | 0 |
97
| 30 |
| 1998 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
188
| 35 |
| 1999 | 10 | 13 | 4 | 3 | 2 | 0 | 2 | 1 |
520
| 0 |
| 2000 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
329
| 5 |
| 2001 | 6 | 6 | 1 | 1 | 2 | 1 | 0 | 0 |
253
| 35 |
| 2002 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
144
| 25 |
| 2003 | 4 | 5 | 1 | 1 | 1 | 1 | 1 | 0 |
158
| 0 |
| 2004 | 3 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
77
| 35 |
| 2005 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
142
| 45 |
| 2006 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
317
| 50 |
|
2007
|
4
|
3
|
0
|
1
|
0
|
0
|
0
|
0
|
86
| 50 |
|
2008
|
8
|
9
|
2
|
2
|
3
|
2
|
1
|
0
|
347
| 0 |
|
2009
|
13
|
9
|
1
|
1
|
1
|
2
|
1
|
0
|
255
| 30 |
| 2010 |
8
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
220
| 0 |
|
2011
| 8 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 213 | 0 |
| 2012 | 9 | 7 | 0 | 0 | 2 | 3 | 1 | 1 | 252 | 45 |
| Total | 375 | 317 | 23 | 31 | 60 | 48 | 20 | 13 | 15131 | 14 |
| Mean | 6.6 | 5.6 | 0.4 | 0.5 | 1.1 | 0.8 | 0.4 | 0.2 | 265 | 28 |
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