How does a tropical cyclone start?

Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they form only over warm ocean waters near the equator. The warm, moist air over the ocean rises upward from near the surface. … Another way to say the same thing is that the warm air rises, causing an area of lower air pressure below.

What do tropical cyclones need to get started?

Tropical cyclones are like engines that require warm, moist air as fuel. So the first ingredient needed for a tropical cyclone is warm ocean water. That is why tropical cyclones form only in tropical regions where the ocean is at least 80 degrees F for at least the top 50 meters (about 165 feet) below the surface.

What are the 3 types of tropical cyclones?

TROPICAL STORM (TS) – a tropical cyclone with maximum wind speed of 62 to 88 kph or 34 – 47 knots. SEVERE TROPICAL STORM (STS) , a tropical cyclone with maximum wind speed of 89 to 117 kph or 48 – 63 knots. TYPHOON (TY) – a tropical cyclone with maximum wind speed of 118 to 220 kph or 64 – 120 knots.

What is an example of a tropical storm?

Hurricane Sandy, a tropical storm occurring in October 2012, started life off the coast of West Africa. It travelled north-west across the Atlantic Ocean through countries such as Cuba, Haiti and The Bahamas in the Caribbean before hitting the east coast of the USA. It led to a wide range of impacts.

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What are the characteristics of a tropical cyclone?

Tropical Cyclone Characteristics

  • Hurricane force winds generally extend out about 100 km (60 miles) from the centre.
  • Storm force winds may extend out as much as 500 km (300 miles)
  • Maximum wind speeds between 12 and 50 km from centre.
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