TROPICAL CYCLONES IN 2009

Six-hourly position and intensity data are tabulated in this section for the following tropical cyclones in 2009 over the western North Pacific and the South China Sea (i.e. the area bounded by the Equator, 45°N, 100°E and 180° ).

Name of tropical cyclone
Typhoon Kujira (0901)	Tropical Storm Mujigae (0913)
Typhoon Chan-hom (0902)	Super Typhoon Choi-wan (0914)
Severe Tropical Storm Linfa (0903)	Typhoon Koppu (0915)
Tropical Storm Nangka (0904)	Typhoon Ketsana (0916)
Tropical Storm Soudelor (0905)	Super Typhoon Parma (0917)
Tropical Depression of 13 - 14 July	Super Typhoon Melor (0918)
Typhoon Molave (0906)	Tropical Storm Nepartak (0919)
Severe Tropical Storm Goni (0907)	Super Typhoon Lupit (0920)
Typhoon Morakot (0908)	Tropical Depression of 19 - 20 October
Tropical Storm Etau (0909)	Typhoon Mirinae (0921)
Tropical Depression of 13 - 17 August	Tropical Depression of 2 - 3 November
Severe Typhoon Vamco (0910)	Tropical Depression of 7 - 10 November
Severe Tropical Storm Krovanh (0911)	Super Typhoon Nida (0922)
Tropical Depression of 30 August - 1 September	Tropical Depression of 23 - 25 November
Severe Tropical Storm Dujuan (0912)	Tropical Depression of 24 - 26 November

In this section, surface winds refer to wind speeds averaged over a period of 10 minutes given in the unit of m/s (1 m/s is about 1.94 knots or 3.6 km/h). Intensities of tropical cyclones are classified as follows:-

(a)	T.D.	- tropical depression
(b)	T.S.	- tropical storm
(c)	S.T.S.	- severe tropical storm
(d)	T.	- typhoon
(e)	S.T.	- severe typhoon
(f)	SuperT.	- super typhoon

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