A) Why do hurricanes travel east to west in the tropics? Why do hurricanes event

Question

A) Why do hurricanes travel east to west in the tropics? Why do hurricanes eventually steer off to the north and northeast towards the end of their life cycle?

B) What environmental conditions are required for the formation of tropical cyclones?

C) Why do we see the largest storm surge on the right side of the eye of the hurricane, looking towards the direction that the storm is moving in?

D) How may upwelling in the ocean impact a hurricane’s energy source, especially if the warm ocean layer is shallow?

E) How might climate change affect the (1) frequency, (2) intensity, and (3) duration of hurricanes? Explain.

F) What is the difference between a typhoon and a hurricane? Are these fundamentally different storm systems? Explain.

Explanation / Answer

B) Tropical cyclones form and intensify under a specific set of necessary conditions. These conditions must be met in order to a tropical cyclone to form.

Six Necessary Conditions for Development

C) If the hurricane is moving to the west, the right side would be to the north of the storm; if the hurricane is moving to the north, the right side would be to the east of the storm, etc.Strongest winds in a hurricane are found on the right side of the storm because the motion of the hurricane also contributes to its swirling winds. A hurricane with a 90 mph [145 km/hr] winds while stationary would have winds up to 100 mph [160 km/hr] on the right side and only 80 mph [130 km/hr] on the left side if it began moving (any direction) at 10 mph [16 km/hr].

D) As long as the base of this weather system remains over warm water and its top is not sheared apart by high-altitude winds, it will strengthen and grow. More and more heat and water will be pumped into the air. The pressure at its core will drop further and further, sucking in wind at ever increasing speeds. Once they move over cold water or over land and lose touch with the hot water that powers them, these storms weaken and break apart.

In conclusion, relation between ocean surface temperatures and tropical storm intensity – warmer waters fuel more energetic storms.

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