: A pre-existing weather disturbance triggers the initial rising of warm air.
: The Earth's rotation causes the storm to spin— counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
A cyclone is a rotating storm system with a low-pressure center (the ). Depending on where they form, these storms go by different names: Hurricanes : Atlantic and Northeast Pacific. Typhoons : Northwest Pacific. Cyclones : South Pacific and Indian Ocean. How They Form (Cyclogenesis)
: A pre-existing weather disturbance triggers the initial rising of warm air.
: The Earth's rotation causes the storm to spin— counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
A cyclone is a rotating storm system with a low-pressure center (the ). Depending on where they form, these storms go by different names: Hurricanes : Atlantic and Northeast Pacific. Typhoons : Northwest Pacific. Cyclones : South Pacific and Indian Ocean. How They Form (Cyclogenesis)