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TROPICAL CYCLONES IN 2015

TROPICAL CYCLONES IN 2015

TABLE 4.4

Frequency and total duration of display of tropical cyclone warning signals :1956-2015

Year Signals Total duration
1 3 8 NW 8 SW 8 NE 8 SE 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
2013 10 7 1 1 0 1 0 0 292 50
2014 6 3 0 0 0 1 0 0 145 45
2015 4 3 1 0 0 0 0 0 136 50
Total 395 330 25 32 60 50 20 13 15706 39
Mean 6.6 5.5 0.4 0.5 1.0 0.8 0.3 0.2 261 47