Tropical Storm roll from start to build up in the patch of low pressure air force which is above tropical sea surface in the area and the area is a lot of cloud, it is not displayed by the flow of the windWhen you are in a favorable condition, it will continue to develop their own working system of wind appears clearly in the direction of the wind in the North Circular counter-clockwise a forest in the center of the stormThe wind speed in the system flow is gained momentum.