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www.GOALias.blogspot.comFig. 8.12 The image of the‘eye’ of a cycloneFig. 8.11 Formation of a cycloneFig. 8.13 Rising water caused bya cyclone.Courtesy: India Meteorological Department, New Delhi8.6 D8.6 DESTRUCTIONCAUSEDBYCYCLONESCyclones can be very destructive.Strong winds push water towards theshore even if the storm is hundreds ofkilometres away. These are the firstindications of an approaching cyclone.The water waves produced by the windare so powerful that a person cannotovercome them.The low pressure in the eye liftswater surface in the centre. The risingwater may be as high as 3–12 metres(Fig. 8.13). It appears like a water-wallmoving towards the shore. As a result,the seawater enters the low-lying coastalareas, causing severe loss of life andproperty. It also reduces the fertility ofthe soil.Continuous heavy rainfall mayfurther worsen the flood situation.High-speed winds accompanying acyclone can damage houses, telephonesand other communication systems,trees, etc., causing tremendous loss oflife and property.88SCIENCE