The correct answer is Option(3).i.e.Only 1 & 3. Tropical cyclones are violent storms that originate over oceans in tropical areas & it associated with heavy rainfall, and storm surges. They generate and intensify especially in warm tropical oceans. Cyclones: A cyclone is an area of low pressure where masses of air meet and rise upwards. It typically indicates uncomfortable weather, like clouds, rains & thunderstorms. Cyclonic Winds blow especially counterclockwise in the Northern Hemisphere and anti-clockwise in the Southern part of Hemisphere. In a cyclone, air near to the ground is pushed onwards the low-pressure center of the cyclone and then rises upward, cooling and expanding. As the cyclones cool, the rising air which situated above, becomes more humid, leading to cloudiness and huge humidity within the cyclone. Tropical Cyclone: Tropical cyclones are recognized as one of the most dangerous natural calamities in the world. They generate and intensify especially in warm tropical oceans. These are violent storms that generate and develop over oceans in tropical areas and move towards the coastal areas causing ferocious winds. Heavy rainfall and storm outpourings another feature of tropical cyclones.