The main source of energy for tropical cyclones is the warm oceans in the tropical regions. To initiate a tropical cyclone the sea-surface temperature generally needs to be above 26.5Â°C.However, existing cyclones often persist as they move over cooler waters.eproduced with permission from BoM. The main source of energy for tropical cyclones is the warm oceans in the tropical regions. To initiate a tropical cyclone the sea-surface temperature generally needs to be above 26.5Â°C. However, existing cyclones often persist as they move over cooler waters.
Oolong tea contains caffeine. Caffeine works by stimulating the central nervous system (CNS), heart, and muscles. Oolong tea also contains theophylline and theobromine, which are chemicals similar to caffeine. Too much oolong tea, more than five cups per day, can cause side effects because of the caffeine.
The distinguishing factor that determines whether a tea plant will become white, green, oolong, or black tea is oxidation. Oxidation begins after the leaf has been plucked from the plant, and begins a process of being dried, withered, rolled, and heat treated.he distinguishing factor that determines whether a tea plant will become white, green, oolong, or black tea is oxidation. Oxidation begins after the leaf has been plucked from the plant, and begins a process of being dried, withered, rolled, and heat treated.