Why do hurricanes lose intensity?
Hurricanes are fueled by warm moisture. They form over warm ocean water in tropical regions. They lose intensity as they move over cooler water and as they move over land, where there is little moisture and buildings and landforms act as obstacles.
Water has a high heat capacity, or ability to store heat. This stored heat is called "latent heat", which means "hidden".When ocean water evaporates it contains more heat than it did as a liquid. When it condenses this heat is released, creating convection currents in the surrounding air. The convection currents provide the air movement that keeps the hurricane going. As it looses heat through condensation it loses its source of sustained kinetic energy.
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