For one to form, there needs to be warm ocean water and moist, humid air in the region. When humid air is flowing upward at a zone of low pressure over warm ocean water, the water is released from the air as creating the clouds of the storm. As it rises, the air in a hurricane rotates.
Warm ocean waters and thunderstorms fuel power-hungry hurricanes.
Hurricanes form over the warm ocean water of the tropics. When warm moist air over the water rises, it is replaced by cooler air. The cooler air will then warm and start to rise. ... If there is enough warm water, the cycle will continue and the storm clouds and wind speeds will grow causing a hurricane to form.
Four Factors that Can Strengthen Tropical Cyclones
The thing is, scientists still don't know exactly how hurricanes form. They don't understand why, no matter how ripe the conditions, hurricane formation is actually very rare. Only about 20 percent of the disturbances that look like they might spawn hurricanes do.
If the hurricane wanders northward, it may move into cooler waters, which slow its growth, and eventually reduce its severity. If it moves onto land it loses that warm water source, and so dies down. The single most important factor in a hurricane losing energy is friction.
The Right Side of the StormAs a general rule of thumb, the hurricane's right side (relative to the direction it is travelling) is the most dangerous part of the storm because of the additive effect of the hurricane wind speed and speed of the larger atmospheric flow (the steering winds).
A typical hurricane lasts anywhere from 12 to 24 hours. But a hurricane can sustain itself for as long as a month, as Hurricane John did in 1994. If a hurricane or other natural disaster is headed your way, make sure you're prepared for the worst.
Hurricanes can happen any time of the year but usually form in the hurricane season. Hurricanes usually form in the Atlantic Ocean, Caribbean Sea, Gulf of Mexico, and the Pacific Ocean. Hurricanes are most common in the Pacific Ocean, but the Western Pacific is the most active.
The official hurricane season for the Atlantic Basin (the Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico) is from 1 June to 30 November. As seen in the graph above, the peak of the season is from mid-August to late October. However, deadly hurricanes can occur anytime in the hurricane season.
Stages Of A Hurricane
There are several key factors that come together to develop tropical storms and hurricanes: warm sea surface temperatures, light winds aloft, and rotation or spin. If any one of these factors is unavailable, then the tropical storm or hurricane can weaken or decay.
As less moisture is evaporated into the atmosphere to supply cloud formation, the storm weakens. Sometimes, even in the tropical oceans, colder water churned up from beneath the sea surface by the hurricane can cause the hurricane to weaken (see Interaction between a Hurricane and the Ocean).
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