What Earth process is described by the following two examples? EXPLAIN your answ

Question

What Earth process is described by the following two examples? EXPLAIN your answer. 1. If you put your hand next to a candle flame, it doesn't really hurt. But if you put your hand directly above the flame, you burn yourself. 2. If you were standing in the eye of a hurricane, a relatively calm place at the center of a storm, you would feel air descending from above. Surrounding you, though, would be eye walls, vertical lines of clouds with air and debris whipping around and upward. What Earth process is described by the following two examples? EXPLAIN your answer. 1. If you put your hand next to a candle flame, it doesn't really hurt. But if you put your hand directly above the flame, you burn yourself. 2. If you were standing in the eye of a hurricane, a relatively calm place at the center of a storm, you would feel air descending from above. Surrounding you, though, would be eye walls, vertical lines of clouds with air and debris whipping around and upward. 1. If you put your hand next to a candle flame, it doesn't really hurt. But if you put your hand directly above the flame, you burn yourself. 2. If you were standing in the eye of a hurricane, a relatively calm place at the center of a storm, you would feel air descending from above. Surrounding you, though, would be eye walls, vertical lines of clouds with air and debris whipping around and upward.

Explanation / Answer

1) If you put your hand next to a candle flame, it doesn't really hurt. But if you put your hand directly above the flame, you burn yourself. Because the main cause is due to generation of convection current. Heat rises upward due to convection process. The top of the candle is much hotter than the bottom of the candle. If someone ever try holding hand over the top of the candle then feel extremely very, very hot. It's about 600 degrees temperature. If you can actually pass your hand through the bottom of the flame because all the hot air is rising up the bottom of the flame is where all the cold air from the room is being sucked in. The bottom of the flame is quite cold.

2)

Tropical cyclones typically form from large, disorganized areas of disturbed weather. It is generally formed in tropical regions. As more thunderstorms form and gather, the high energy storm develops rainbands which start rotating around a common center. If you were standing in the eye of a hurricane, a relatively calm place at the center of a storm, you would feel air descending from above. Surrounding you, though, would be eye walls, vertical lines of clouds with air and debris whipping around and upward, because the storm gains strength, a ring of stronger convection forms at a certain distance from the rotational center of the developing storm. Since stronger thunderstorms and heavier rain mark areas of stronger updrafts, the barometric pressure at the surface begins to drop, and air begins to build up in the upper levels of the cyclone. This results in the formation of an upper level anticyclone, or an area of high atmospheric pressure above the central dense overcast. Consequently, most of this built up air flows outward anticyclonically above the tropical cyclone. Outside the forming eye, the anticyclone at the upper levels of the atmosphere enhances the flow towards the center of the cyclone, pushing air towards the eyewall and causing a positive feedback loop. However, a small portion of the built-up air, instead of flowing outward, flows inward towards the center of the storm. This causes air pressure to build even further, to the point where the weight of the air counteracts the strength of the updrafts in the center of the storm. Air begins to descend in the center of the storm, creating a mostly rain-free area, a newly formed eye. Accroding to many theories, the eye is necessary for tropical cyclones to achieve high wind speeds. The formation of an eye is almost always an indicator of increasing tropical cyclone organisation and strength. Because of this, forecasters watch developing storms closely for signs of eye formation. In addition, scientists have recently discovered that the amount of ozone in the eye is much higher than the amount in the eyewall, due to air sinking from the ozone-rich stratosphere. Instruments sensitive to ozone perform measurements, which are used to observe rising and sinking columns of air, and provide indication of the formation of an eye, even before satellite imagery can determine its formation.

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