And their effect on the built environment They are known as Hurricanes in the Caribbean, Typhoons in the China Sea, Cyclones in the Indian Ocean and most commonly called Tropical Cyclones. You can call them what you want but they all have one thing in common: they are extremely destructive when they hit cities and towns. A cyclone is a huge mass of air moving in a spiral with winds that can reach up to 250 …showed first 75 words of 548 total…

…showed last 75 words of 548 total…a cyclone die from being at sea. So if a cyclone is coming, it's safest to stay indoors in a small room with the windows sealed shut and any debris outside put away in a safe place. The other thing that has changed is that when Darwin was rebuilt after the cyclone, they used new construction rules so that all of the new buildings are much stronger and more likely to survive very strong winds.