The video begins by defining hurricanes as rotating storms with ascending and descending winds in low-pressure areas over warm tropical or subtropical seas.

• A hurricane is a storm formed by rotating winds, ascending and descending, in a low-pressure zone.
• Hurricanes occur in tropical or subtropical areas with high humidity from oceanic cells.
• In the North Atlantic and Northeast Pacific, they are called hurricanes, while in the Northwest Pacific they are known as typhoons, and in the South Pacific and Indian Ocean, they are termed tropical cyclones.

The structure of a hurricane consists of the eye, eye walls, and rainbands, with the wind speeds reaching up to 200 kilometers per hour.

• The hurricane's structure includes a calm central eye, eye walls, and spiraling rainbands extending from the central disk.
• The winds can reach up to 200 kilometers per hour, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
• Storms cause heavy rains, extreme winds, and surges, such as those over 12 meters high, characteristic of hurricanes.

The video identifies the key components of a hurricane, including the low-pressure zone, wind currents, the eye, eye walls, and rainbands.

• A hurricane consists of a low-pressure zone, wind system, eye, walls or funnel, and rainbands.
• The low-pressure zone is an area of low atmospheric pressure over the ocean surface caused by rising warm air that is lighter and creates a vacuum.
• The wind currents system includes warm ascending and cold descending currents, with wind speeds varying from 15-25 km/h in the eye to over 200 km/h in the walls.

The eye of the hurricane is described as the calm, warm center with relatively stable atmosphere due to descending cold winds.

• The eye is the hurricane's center, known for being warm at the ocean's surface and having a stable atmosphere.
• The rotating wind system maintains a relative stability in the center where cold winds descend.
• The eye's diameter can vary from 3 to 370 kilometers, with winds not exceeding 25 kilometers per hour, but it remains dangerous due to powerful storm surges.

The walls and rainbands of a hurricane are critical components that contribute to its power, with walls reaching altitudes up to 15,000 meters.

• The wall or funnel is a central cloud funnel around the eye caused by centrifugal force and water vapor condensation.
• Rainbands are spiraling cloud arms that converge at the hurricane's eye, forming as the spiral wind system develops.
• The rainbands are separated by areas of relative calm with less intense rain.

The video describes the disc-like shape of hurricanes and their trajectory, which is influenced by factors such as water temperature and the Earth's rotation.

• Due to rotating air currents, hurricanes have a disc-like shape with spiral cloud arms around a central disk, reaching diameters of up to 2,000 kilometers.
• Hurricanes form in the summer of the corresponding hemisphere and typically move towards higher latitudes, forming parabolic paths.
• In the North Atlantic, hurricanes form in the Caribbean from May to November and move northwest, affecting various Caribbean islands, Central America, the Gulf of Mexico, and the USA.

The video explains the detailed process of hurricane formation, starting from the warming of ocean waters to the development of a closed rotating wind system.

• The origin of a hurricane starts with the warming of ocean surface waters, which must exceed 26.5 degrees Celsius, combined with high humidity.
• The evaporation of water causes a low-pressure zone, drawing in surrounding air and forming a closed wind current system.
• The condensation of water vapor into clouds releases heat, which strengthens the ascending winds, aided by the Coriolis effect that causes the wind to rotate around the center.

The video details the growth of a hurricane through the formation of rainbands and the reinforcement of the storm cycle.

• As cold air masses descend and reheat near the warm ocean surface, they ascend again, either through the hurricane's center or before it, forming new rainbands.
• These rainbands are separated by areas of stability with less intense rain, contributing to the hurricane's precipitation pattern.
• Hurricanes cause torrential precipitations in bands and waves, leading to floods when combined with storm surges.

The video discusses how hurricanes dissipate when they make landfall or encounter cold water or fronts, and the consequences of hurricanes are explored.

• Hurricanes dissipate when they make landfall, losing their energy source, or when they remain too long in one area, cooling the water and exhausting the energy or encountering a cold front.
• Hurricanes can have devastating effects on people, infrastructure, and ecosystems, but they also contribute to environmental regulation by cooling ocean temperatures and distributing rainfall.
• Examples of catastrophic hurricanes include Mitch, with 11,374 deaths and over $6 billion in losses, and Katrina, resulting in 1,836 deaths and $125 billion in damages.