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There is no pressure threshold; typically it is referred to as a cyclone when there is a closed area of low pressure (as opposed to just a "wave").

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What shape is a tropical cyclone on a synoptic chart?

On a synoptic chart, a tropical cyclone typically appears as a well-defined, circular or oval-shaped low-pressure system. It is characterized by tightly packed isobars (lines of equal pressure) that spiral inward towards the center, indicating strong winds. The center, or eye, of the cyclone is usually marked by a distinct area of low pressure with calm conditions, surrounded by a ring of intense convection and precipitation.


What is synoptic-scale system?

It is a weather system in meteorology on the scale of a cyclone or anticyclone.


What kind of pressure does a cyclone have?

A cyclone has low pressure.


Does a cyclone have high pressure?

No, a cyclone is associated with low pressure at its center. Air converges at the center of a cyclone, causing the air to rise and creating a region of low pressure.


What is the opposite of cyclone?

The opposite of a cyclone is an anti-cyclone.


What is the air pressure inside a cyclone?

The air pressure inside a cyclone is typically lower than the surrounding atmospheric pressure. This drop in pressure is due to the strong updrafts and intense low-pressure system created by the rotating winds of a cyclone.


What kind of air pressure does a cyclone have?

A cyclone typically has lower air pressure at its center, known as the eye of the storm. This low pressure causes air to spiral inwards towards the center of the cyclone, creating strong winds and storm conditions.


What is a swirling center of air pressure called?

cyclone.


What is an area of lower pressure winds that spiral toward the center called?

air pressure!


Is a cyclone called a depression?

There is such thing as a tropical depression, a type of cyclone. The "depression" part is named after the low-pressure system of the cyclone.


What is synoptic scale system?

A synoptic scale system refers to weather systems that range in size from a few hundred to a few thousand kilometers. These systems include features like low and high-pressure systems, fronts, and cyclones, and they play a crucial role in influencing day-to-day weather patterns over large geographic areas. Meteorologists often study synoptic scale systems to make forecasts and understand broader weather patterns.


What is a swirling center of low pressure?

a cyclone is a swirling cener of low pressure