Why do tropical cyclones form near the equator?
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Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they form only over warm ocean waters near the equator. The warm, moist air over the ocean rises upward from near the surface. Because this air moves up and away from the surface, there is less air left near the surface.
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As evident from past observations, tropical cyclones are difficult to form over a region within 5 degrees of latitude from the Equator because the Coriolis force there is too small to generate a vortex. That said, the formation of tropical cyclone still hinges on other environmental factors.
Tropical cyclones are not formed in 5 degree N-S area near equator due to absence of Coriolis Force. Coriolis force is responsible for the formation of a wind system over oceans as trade winds get deflected due to this force in both the hemisphere.
Even if these conditions are in place, a tropical cyclone is not likely to form if it is not at least 300 or so miles from the equator. This is because of the lack of the Coriolis force.
Tropical cyclones do not often form near the equator because of the absence of a very important force for tropical development-the Coriolis Force. Around 5 degrees north and south of the equator, the Coriolis Force is too weak to give tropical cyclones their "spin" except under very unusual circumstances.
Cyclones generally do not form on the Equator or in the area that is located within five degrees of latitude from the Equator because the Coriolis forces at the equator are too small to generate a...
Cyclones need a certain amount of Coriolis force in order to start spinning. but, what happening near the equatorial region is the Coriolis force is zero (because if you put 0(equator) in the above equation, then F=2 ΩsinØ, F=2 Ωsin0=0 since, "sin0=0") that mean there is no spinning. Without spinning, the cyclone can't form and sustain.
This is a list of all tropical cyclones that have existed between 3°N and 3°S of the equator. Tropical cyclones are relatively rare in this region, particularly outside of the Northwestern Pacific Ocean. This is primarily due to a weak Coriolis effect within the region, and only seventeen known storms have formed since records began.
Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they form only over warm ocean waters near the equator.The warm, moist air over the ocean rises upward from near the surface. Because this air moves up and away from the surface, there is less air left near the surface.