cause of cyclone , who is responsible for cyclone at least 1 page answer
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A cyclone is formed when a warm temperature of the sea reaches a threshold level and the wind structure is rising. In other words, TC’s derive their energy from the warm tropical oceans and do not form unless the sea-surface temperature is above 26.5°C. However, once formed they can persist at lower temperatures and dissipate over land or colder oceans (BOM, 1994). GA (2008) describes it this way,
“The development of a tropical cyclone also relies on favorable broad-scale wind regimes and can persist for several days with many following quite erratic paths. They lose their source of energy when they move over land or colder oceans causing them to dissipate. Weakening may occur also if the cyclone moves into an unfavorable wind regime which disrupts the structure of the system. Sometimes a decaying tropical cyclone may interact with a weather system in higher latitudes to cause impacts far from the tropics” (Ibid, 2008).
To understand further, there are four stages that form a cyclone which include:
Formative Stage
Immature Cyclone
Mature Cyclone
Decay stage
The precautionary warning of cyclones is usually made during the formative stages. Then, if necessary, an evacuation will take place during the immature stages. The most dangerous stage is the mature progress, where the cyclone reaches the peak limit of its strength causes the most damage. Finally, the cyclone will ease into the decay stage and dissipate.
“The development of a tropical cyclone also relies on favorable broad-scale wind regimes and can persist for several days with many following quite erratic paths. They lose their source of energy when they move over land or colder oceans causing them to dissipate. Weakening may occur also if the cyclone moves into an unfavorable wind regime which disrupts the structure of the system. Sometimes a decaying tropical cyclone may interact with a weather system in higher latitudes to cause impacts far from the tropics” (Ibid, 2008).
To understand further, there are four stages that form a cyclone which include:
Formative Stage
Immature Cyclone
Mature Cyclone
Decay stage
The precautionary warning of cyclones is usually made during the formative stages. Then, if necessary, an evacuation will take place during the immature stages. The most dangerous stage is the mature progress, where the cyclone reaches the peak limit of its strength causes the most damage. Finally, the cyclone will ease into the decay stage and dissipate.
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There’s no single cause which results in a cyclone, but it’s a chain of event’s that finally end’s up as a Cyclone.
Let’s analyse those chain of event’s one by one :
●A large warm and still ocean area with temperature above 27ºC formed. Due to this, the air above these area get heated and therefore it rises up.
●The risen air, would make vacancy of air in that region i.e low pressure area.
●The air around rushes to fill that vacant area.
●The risen air would also carry a great amount moisture, i.e the water evaporated and turned into vapour is also carried with air.
●This moist air on reaching some height, cools down, condensation happens and clouds are formed.
●The above said processes continues, and eventually the clouds became heavy.
●The resulting condensation would release latent heat, that would provide the cyclone with more energy. (Heat’s the water again)
●The wind that arrives from vast areas to this area of low pressure, would get deflected and eventually twists due to Coriolis effect.
●The cyclone is formed.
Due to the Coriolis effect, the rotation direction of cyclone is clockwise in the southern and anti-clockwise in the northern hemisphere. There’s an area in the middle of the these twisting winds, called the eye of cyclone, the pressure there will be extremely low. The more the low-pressure in the eye, more speed the winds around have.
Cyclones are generally formed in the Tropical region, since these area has sufficient sunlight to heat the water.
The cyclone which get’s into land, would be deprived from energy (heat from ocean surface) and dies.
————————Some descriptions———————————
Coriolis Effect: Since Earth is spherical,
when it rotates, the area of equator rotates faster than other areas. So if something thrown from south or north pole area, it has to take a diverged path to reach a particular point in equator. This is because, equator might have travelled more distance, than polar region. This also affects winds, that are travelling trans-latitude. It would get deflected while reaching destination. (somewhere in equator region).
Condensation : Water vapour is the gaseous state of water I.e. it’s molecules has good kinetic energy, due to heating. Condensation is the process of water vapour turning back to water, when it comes into contact with a, cloud-condensation-nuclei (dust) in atmosphere. Water supplied with heat turned it into Water vapour, and hence water vapour turning back to water, should release heat, this heat is the Latent heat here. Clouds are very tiny droplets water formed by condensation, that are very light enough that it floats.
@skb
Let’s analyse those chain of event’s one by one :
●A large warm and still ocean area with temperature above 27ºC formed. Due to this, the air above these area get heated and therefore it rises up.
●The risen air, would make vacancy of air in that region i.e low pressure area.
●The air around rushes to fill that vacant area.
●The risen air would also carry a great amount moisture, i.e the water evaporated and turned into vapour is also carried with air.
●This moist air on reaching some height, cools down, condensation happens and clouds are formed.
●The above said processes continues, and eventually the clouds became heavy.
●The resulting condensation would release latent heat, that would provide the cyclone with more energy. (Heat’s the water again)
●The wind that arrives from vast areas to this area of low pressure, would get deflected and eventually twists due to Coriolis effect.
●The cyclone is formed.
Due to the Coriolis effect, the rotation direction of cyclone is clockwise in the southern and anti-clockwise in the northern hemisphere. There’s an area in the middle of the these twisting winds, called the eye of cyclone, the pressure there will be extremely low. The more the low-pressure in the eye, more speed the winds around have.
Cyclones are generally formed in the Tropical region, since these area has sufficient sunlight to heat the water.
The cyclone which get’s into land, would be deprived from energy (heat from ocean surface) and dies.
————————Some descriptions———————————
Coriolis Effect: Since Earth is spherical,
when it rotates, the area of equator rotates faster than other areas. So if something thrown from south or north pole area, it has to take a diverged path to reach a particular point in equator. This is because, equator might have travelled more distance, than polar region. This also affects winds, that are travelling trans-latitude. It would get deflected while reaching destination. (somewhere in equator region).
Condensation : Water vapour is the gaseous state of water I.e. it’s molecules has good kinetic energy, due to heating. Condensation is the process of water vapour turning back to water, when it comes into contact with a, cloud-condensation-nuclei (dust) in atmosphere. Water supplied with heat turned it into Water vapour, and hence water vapour turning back to water, should release heat, this heat is the Latent heat here. Clouds are very tiny droplets water formed by condensation, that are very light enough that it floats.
@skb
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