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Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction.
Their source of energy is water vapor which is evaporated from the ocean surface. Water vapor is the “fuel” for the hurricanes because it releases the “latent heat of condensation” when it condenses to form clouds and rain, warming the surrounding air.
When the surface water is warm, the storm sucks up heat energy from the water, just like a straw sucks up a liquid. This creates moisture in the air. If wind conditions are right, the storm becomes a hurricane. This heat energy is the fuel for the storm.
No, hurricanes form because large areas of thunderstorms stay over warm water and gradually start to rotate due to the Coriolis effect. The warm water provides fuel for the storm and it intensifies into a hurricane. Tornadoes form when a rotating column of air descends from a thunderstorm.
The power of a tornado comes from the thunderstorm that produces it. A thunderstorm is powered by the energy that water vapor releases when it condenses. Differences in wind speed and direction wind altitude, a condition called wind shear, sets these storms rotating. This rotation can then tighten and intensify to form a tornado. Wiki User
The storm on its way to the UK is post-tropical cyclone Katia. Because it has lost tropical characteristics, though the storm is no longer classified as a hurricane even though it is still producing hurricane-force or near hurricane-force winds. Was it a month till hurricane rita come after hurricane Katrina?
More tornadoes form in the mid western United States than any where else in the world. They usually occur in the fall and spring. Steps of formation: Warm, moist winds flow up (and a little east due to the Coriolis Force) from the Gulf of Mexico.