Tropical Cyclone

Tropical Cyclone• MovementAs a broad generalization, tropical cyclones form on the equatorward sideof the sub-tropical highs and then move in the anticyclonic flow. Theythus move westward in the easterly stages, normally at about 10 knots.Depending on the configuration of the high the tropical cyclone maycontinue is westward movement, usually with a poleward component, orrecurve round its western periphery. Figure 5 shows generalised meantrack around the world but it must be emphasized that individual trackscan be highly erratic.25