GEOLOGY

Detailed explanation-1: -Tropical cyclones, also known as typhoons or hurricanes, are among the most destructive weather phenomena. They are intense circular storms that originate over warm tropical oceans, and have maximum sustained wind speeds exceeding 119 kilometres per hour and heavy rains.

Detailed explanation-2: -They are classified as follows: Tropical Depression: A tropical cyclone with maximum sustained winds of 38 mph (33 knots) or less. Tropical Storm: A tropical cyclone with maximum sustained winds of 39 to 73 mph (34 to 63 knots). Hurricane: A tropical cyclone with maximum sustained winds of 74 mph (64 knots) or higher.

Detailed explanation-3: -In fact, tropical cyclones-the general name for the storms called typhoons, hurricanes or cyclones in different parts of the world-always spin counterclockwise in the Northern Hemisphere, and spin in the opposite direction in the Southern Hemisphere.

Detailed explanation-4: -Tropical Storm A tropical cyclone that has maximum sustained surface winds ranging from 39-73 mph (34 to 63 knots).

Detailed explanation-5: -Tropical cyclones are warm-core low pressure systems associated with a spiral inflow of mass at the bottom level and spiral outflow at the top level. They always form over oceans where sea surface temperature, also air temperatures are greater than 26°C.