Search results
Results from the WOW.Com Content Network
Although their effects on human populations can be devastating, tropical cyclones can also relieve drought conditions. [50] They also carry heat and energy away from the tropics and transport it toward temperate latitudes, [46] which makes them an important part of the global atmospheric circulation mechanism.
Extratropical cyclones can also be dangerous when their low-pressure centers cause powerful winds and high seas. [120] A subtropical cyclone is a weather system that has some characteristics of a tropical cyclone and some characteristics of an extratropical cyclone. They can form in a wide band of latitudes, from the equator to 50°.
Accumulated cyclone energy is calculated by summing the squares of the estimated maximum sustained velocity of tropical cyclones when wind speeds are at least tropical storm strength (≥ 34 kn; 63 km/h; 39 mph) [4] at recorded six-hour intervals. The sums are usually divided by 10,000 to make them more manageable.
Tropical cyclones are characterised by very high wind speeds, heavy rainfall, and storm surges - short-term rises to sea-levels. This often causes widespread damage and flooding. Hurricanes can be ...
During the Atlantic hurricane season, even before a tropical cyclone forms, there are words like “tropical wave,” “tropical disturbance,” “invest” and “potential tropical cyclone.”
A tropical cyclone may be viewed as a heat engine that converts input heat energy from the surface into mechanical energy that can be used to do mechanical work against surface friction. At equilibrium, the rate of net energy production in the system must equal the rate of energy loss due to frictional dissipation at the surface, i.e.
Tropical cyclones that develop in the Southern Hemisphere are only officially classified by the warning centres on one of two scales, which are both based on 10-minute sustained wind speeds: The Australian tropical cyclone intensity scale is used to classify systems within the Australian or South Pacific tropical cyclone basin.
The exports and imports are halted in sea ports due to the cyclone. Some people lose their jobs as well. A mature tropical cyclone can release heat at a rate upwards of 6×10 14 watts. [1] Tropical cyclones on the open sea cause large waves, heavy rain, and high winds, disrupting international shipping and, at times, causing shipwrecks. [2]