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Cyclones develop over warm seas near the Equator. Air heated by the sun rises very swiftly, which creates areas of very low pressure. As the warm air rises, it becomes loaded with moisture which condenses into massive thunderclouds. Cool air rushes in to fill the void that is left, but because of the constant turning of the Earth on its axis, the air is bent inwards and then spirals upwards with great force. The swirling winds rotate faster and faster, forming a huge circle which can be up to 2,000 km across. At the centre of the storm is a calm, cloudless area called the eye, where there is no rain, and the winds are fairly light.
As the cyclone builds up it begins to move. When it moves this is usually when the cyclone hits land and starts it path of destruction. It is sustained by a steady flow of warm, moist air. The strongest winds and heaviest rains are found in the towering clouds which merge into a wall about 20-30 km from the storm's centre. Winds around the eye can reach speeds of up to 200 km/h, and a fully developed cyclone pumps out about two million tonnes of air per second. This results in more rain being released in a day than falls in a year in a city like London.
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Where does a cyclone start - over the land or over the sea?
In the US, a cyclone can only start over land - over the water it is referred to as a water spout.
What effects a cyclone?
There are several things that have a negative effect on a cyclone. High pressure fronts have a tendency to weaken a cyclone. When a cyclone passes over land, it weakens because it has no water for heat.
How does cyclone decrease the fertility of the soil in the coastal areas?
It floods the land with saline water
Why do cyclones occur in the coastal areas?
The most dangerous type of cyclone is a tropical cyclone such as a typhoon or hurricane. Tropical cyclones develop by feeding on the moisture that evaporates from warm ocean water. Moisture they cannot get over land. Upon hitting land these storm systems rapidly lose strength, so their worst impacts are usually confined to coastal areas.
What kind of weather would a cyclone bring to a land formed over warm water?
Cold and stormy
Where does a cyclone start - over the land or over the sea?
In the US, a cyclone can only start over land - over the water it is referred to as a water spout.
How is tropical cyclone different from hurricane?
A cyclone occurs over water. A hurricane occurs over land.
What happens to a cyclone as it moves over land?
Generally a cyclone will weaken as it hits land, especially if it is a tropical cyclone.
Is the most dangerous tornado and violent tornado a cyclone?
No. Cyclones and tornadoes are completely different phenomena.
Do blizzards occur in japan?
Cyclone is a generic term for a low pressure system with counterclockwise rotation in the northern hemisphere or clockwise rotation in the southern hemisphere. Cyclones can occur over both land and water, but tend to be stronger over water.
What effects a cyclone?
There are several things that have a negative effect on a cyclone. High pressure fronts have a tendency to weaken a cyclone. When a cyclone passes over land, it weakens because it has no water for heat.
How does a cyclone affect the land?
by making it rough from the wind and water could cause it to flood
How does cyclone decrease the fertility of the soil in the coastal areas?
It floods the land with saline water
Where do hurricanes mostly occur on land?
Hurricanes do not occur on land. They are only water storms and blow into land.
Why do cyclones occur in the coastal areas?
The most dangerous type of cyclone is a tropical cyclone such as a typhoon or hurricane. Tropical cyclones develop by feeding on the moisture that evaporates from warm ocean water. Moisture they cannot get over land. Upon hitting land these storm systems rapidly lose strength, so their worst impacts are usually confined to coastal areas.
What kind of weather would a cyclone bring to a land formed over warm water?
Cold and stormy
What amphibian actvites occur on land in water?
Amphibians brathe under water and land they have lung
