The conditions found in tropical cyclones are as follows:
1. Low air pressure exists in their center and the shape of their isobars is circular.
2. There is a large variation in their speed. At some places their speed is 32 km/h and at other places it is up to 200 km. per hour.
3. There is considerable variation in their size. Normally, their diameter ranges from 80 to 300 km.
4. These cyclones are permanent. They cause rainfall at one place for several days.
5. These cyclones are more destructive.
6. These cyclones move fast over the oceans, but they weaken after coming to the land.
