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There are three main factors that affect the formation of tropical storms. First, tropical storms can only form over warm ocean water as it is the moisture from these oceans that fuels them. So they are mainly limited tropical regions. Second, wind shear can essentially tear a storm apart, so tropical storms usually do not form often in places with strong wind shear. As an example, the southern Atlantic ocean experiences a lot of wind shear, making tropical storms there extremely rare. Third, tropical storms need a strong Coriolis Effect to form as this is what drives their rotation. As a result tropical storms cannot form on the equator, and rarely form very close to it.
They form over the oceans
Hurricanes form over tropical waters and are earth's largest and most destructive storms.
Hurricanes only affect extreme southern California, and then rarely. The peninsula of Baja California, part of Mexico, experiences storms that form along the coast of Central America, in warm tropical waters. Some storms are created by Caribbean hurricanes that struggle across the mountainous terrain and reform in the Pacific. These storms follow the warm currents along the Mexican coast, and sometimes turn east and make landfall there. Other storms continue out into the Pacific toward Hawaii.
Tropical storms form over warm ocean water. They weaken rapidly if they hit land.
Tropical storms need warm ocean water to form. Outside the tropics the water usually isn't warm enough.
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Hurricanes form over tropical waters and are earth's largest and most destructive storms.
Tropical storms form when the weather system creates heat which powers the storm causing winds to increase. They rely on plenty of warm, moist air from the sea. This causes the spinning to start.
Tropical storms generally move away from the equator, though the direction of travel varies. They are called tropical storms because the form in or near the tropics over warm ocean water and have tropical characteristics such as a warm core whereas extratropical systems (outside the tropics) generally have a cold core.
Tropical storms are known by many names, including hurricanes (North America), cyclones (India) and typhoons (Japan and East Asia). They all occur in a band that lies roughly between the tropics of Cancer and Capricorn and despite varying wind speeds are ferocious storms. Some storms can form just outside of the tropics, but in general the distribution (location) of these storms is controlled by the places where sea temperatures rise above 27°C.The highest number of storms does not occur in the Atlantic close to the USA, but in the North Pacific affecting countries such as the Philippines and Japan. This is despite the fact that in the UK we only really get to hear about tropical storms affecting the USA. The most affected area being South East Asia receives an average of 26 storms per year. The least affected area is India where there is an average of 2 tropical storms per year
Hurricanes, typhoons, or cyclones, depending on which part of the world they form.