This means that storms that begin in the tropical waters of the Atlantic Ocean move toward the northeast. Reasons for the Emergence of the Tropical Cyclone Structure of the Tropical Cyclone The atmospheric pressure causes air to travel from a high-pressure to a low-pressure state, causing the air to move. First of all thanku so much for providing such an amazing materials for geography optional. South-east Caribbean region where they are called hurricanes. High-velocity winds cause most of the damage associated with these weather events. The maximum outflow is found at 12 km and above. Tropical cyclones move from east to west tracking roughly along the base of the Hadley global circulation cell. Upper divergence above the sea level system, Ocean waters having temperatures of 27 C or more is the source of moisture that feeds the storm. The devastation in West Bengal in the wake of cyclone Amphan cost $13 billion in damage. If ocean can supply more moisture, the storm will reach a mature stage. Required fields are marked *, PMF IAS Environment is a One-Stop solution. Hurricanes are found in the Atlantic and Northeast Pacific, whereas typhoons . The notes available are too much appreciable. This closed air circulation (whirling motion) is a result ofrapid upward movement of the hot airwhich is subjected toCoriolis force. It descends to the surface through the cylindrical eye region and at the edges of the cyclone. The Short Answer: The trade winds are winds that reliably blow east to west just north and south of the equator. Condensation occurs in this air and the cycle is repeated as long as the moisture is supplied. it is two types- Hurricanes and typhoons. Tropical Cyclones . Two factors explain why hurricanes very rarely form and come close to land on the west coast. At this stage, the spiraling winds create multiple convective cells with successive calm and violent regions. #kt-info-box_6fb3d5-c7 .kt-blocks-info-box-link-wrap{border-radius:10px;background:#ffffff;padding-top:5px;padding-right:6px;padding-bottom:5px;padding-left:6px;margin-top:1px;margin-right:0px;margin-bottom:0px;margin-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#f1f3ef;}#kt-info-box_6fb3d5-c7 .kadence-info-box-image-inner-intrisic-container{max-width:30px;}#kt-info-box_6fb3d5-c7 .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_6fb3d5-c7 .kt-info-svg-icon, #kt-info-box_6fb3d5-c7 .kt-info-svg-icon-flip, #kt-info-box_6fb3d5-c7 .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;border-radius:200px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:10px;margin-top:0px;margin-right:20px;margin-bottom:0px;margin-left:0px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-media .kadence-info-box-image-intrisic:not(.kb-info-box-image-ratio) img{border-radius:200px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-title{color:#4f4e4e;font-size:15px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_6fb3d5-c7 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} The remains of an upper tropospheric cyclone from the Westerlies move deep into the tropical latitude regions. . Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale . Answer (1 of 8): This is due to two factors: 1. Detection of any unusual phenomena in the weather leading to cyclones has three main parameters: There is a network of weather stations monitoring pressure fall and wind velocities in all countries of the world, including the Arctic and Antarctic regions. #kt-info-box_8e2aab-40 .kt-blocks-info-box-link-wrap{border-color:#ffefd9;border-radius:8px;background:var(--global-palette8, #F7FAFC);padding-top:5px;padding-right:5px;padding-bottom:5px;padding-left:5px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#ffefd9;}#kt-info-box_8e2aab-40 .kadence-info-box-image-inner-intrisic-container{max-width:40px;}#kt-info-box_8e2aab-40 .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_8e2aab-40 .kt-info-svg-icon, #kt-info-box_8e2aab-40 .kt-info-svg-icon-flip, #kt-info-box_8e2aab-40 .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-media{color:#444444;background:transparent;border-color:#444444;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-media-container{margin-top:0px;margin-right:15px;margin-bottom:0px;margin-left:15px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:transparent;border-color:#444444;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-title{color:#363636;font-size:14px;margin-top:7px;margin-right:3px;margin-bottom:12px;margin-left:3px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_8e2aab-40 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} Around south-east African coast and Madagascar-Mauritius islands. It is essentially a vast cell of low-pressure air, with ground-level pressure in the center typically between 990 and 1000 millibars. Love this website. Location: In the video, there is a question in which the statement Wind pattern is Clockwise in Northern Hemisphere., is incorrect as mentioned in the video. Tropical cyclones are violent storms that originate over oceans intropical areas and move over to the coastal areas bringing about large-scale destruction due to violent winds (squalls), very heavy rainfall (torrential rainfall), and storm surge. #kt-info-box_1baa78-fd .kt-blocks-info-box-link-wrap{border-radius:10px;background:#ffffff;padding-top:5px;padding-right:6px;padding-bottom:5px;padding-left:6px;margin-top:1px;margin-right:0px;margin-bottom:0px;margin-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#f1f3ef;}#kt-info-box_1baa78-fd .kadence-info-box-image-inner-intrisic-container{max-width:30px;}#kt-info-box_1baa78-fd .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_1baa78-fd .kt-info-svg-icon, #kt-info-box_1baa78-fd .kt-info-svg-icon-flip, #kt-info-box_1baa78-fd .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;border-radius:200px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:10px;margin-top:0px;margin-right:20px;margin-bottom:0px;margin-left:0px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-media .kadence-info-box-image-intrisic:not(.kb-info-box-image-ratio) img{border-radius:200px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;}#kt-info-box_1baa78-fd .kt-blocks-info-box-title{color:#4f4e4e;font-size:15px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_1baa78-fd .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} The cyclones are often characterized by existence of an anticyclone between two cyclones. Cyclones occur in the pre-monsoon months of May-June and the post-monsoon months of October-November. Tropical Cyclone forms only on seas with temperature more than 26-27degree C and dissipate on reaching the land. The eye is a roughly circular area of comparatively. Because, in middle latitudes, the prevailing winds are from the west, and weather systems are embedded within those winds. Tropical cyclone is like a heat engine . Where do tropical storms form in the world. #kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap{border-radius:10px;background:#ffffff;padding-top:5px;padding-right:6px;padding-bottom:5px;padding-left:6px;margin-top:1px;margin-right:0px;margin-bottom:0px;margin-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#f1f3ef;}#kt-info-box_9886ac-c4 .kadence-info-box-image-inner-intrisic-container{max-width:30px;}#kt-info-box_9886ac-c4 .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-media .kt-info-box-image{width:30px;height:auto;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-media .kt-info-box-image, #kt-info-box_9886ac-c4 .kt-blocks-info-box-media .kt-info-box-image path{fill:#444444;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media .kt-info-box-image, #kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media .kt-info-box-image path{fill:#444444;}#kt-info-box_9886ac-c4 .kt-info-svg-icon, #kt-info-box_9886ac-c4 .kt-info-svg-icon-flip, #kt-info-box_9886ac-c4 .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;border-radius:200px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:10px;margin-top:0px;margin-right:20px;margin-bottom:0px;margin-left:0px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-media .kadence-info-box-image-intrisic:not(.kb-info-box-image-ratio) img{border-radius:200px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-title{color:#4f4e4e;font-size:15px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_9886ac-c4 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} They originate and intensify over warm tropical oceans. 2. Between 1891 and 2000, 308 cyclones hit the east coast, of which 103 were severe. Guam and the Northern Marianas Islands are west of the International Date Line. Air in the tropics generally moves in the direction of the equator. .kadence-column_2962c4-77 > .kt-inside-inner-col{padding-top:1px;padding-bottom:1px;padding-left:3px;padding-right:3px;border-color:#d7d4d4;border-top-width:2px;border-right-width:2px;border-bottom-width:2px;border-left-width:2px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;} Thus, the convergence of these air masses of different temperatures and the resulting instability are the prerequisites for the origin and growth of violent tropical storms. /b68wh/why-tropical-cyclones-move-from-east-to-west-upsc,MILLEN,KAREN,22500,, , , ,graphixresponseinc.com KAREN MILLEN . By the time those storms recurve, they are usually many thousands of kilometers west of the coast of North America. The winds help ships travel west, and they can also steer storms such as hurricanes, too. Squall == a sudden violent gust of wind or localized storm, especially one bringing rain, snow, or sleet. The dense overcast at the upper levels of the troposphere is due to. Gulab Resurrects as Cyclone Shaheen over Arabian Sea Subsidence is distributed over a wide area on the outside of the rain band but is concentrated in the small inside area. This combination of extreme weather can bring devastation to areas. Southern Pacific Ocean, Indian Ocean. However, only a few of these disturbances develop into cyclones. #kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap{border-radius:10px;background:#ffffff;padding-top:5px;padding-right:6px;padding-bottom:5px;padding-left:6px;margin-top:1px;margin-right:0px;margin-bottom:0px;margin-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#f1f3ef;}#kt-info-box_76677b-cb .kadence-info-box-image-inner-intrisic-container{max-width:30px;}#kt-info-box_76677b-cb .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_76677b-cb .kt-blocks-info-box-media .kt-info-box-image{width:30px;height:auto;}#kt-info-box_76677b-cb .kt-blocks-info-box-media .kt-info-box-image, #kt-info-box_76677b-cb .kt-blocks-info-box-media .kt-info-box-image path{fill:#444444;}#kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media .kt-info-box-image, #kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media .kt-info-box-image path{fill:#444444;}#kt-info-box_76677b-cb .kt-info-svg-icon, #kt-info-box_76677b-cb .kt-info-svg-icon-flip, #kt-info-box_76677b-cb .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_76677b-cb .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;border-radius:200px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:10px;margin-top:0px;margin-right:20px;margin-bottom:0px;margin-left:0px;}#kt-info-box_76677b-cb .kt-blocks-info-box-media .kadence-info-box-image-intrisic:not(.kb-info-box-image-ratio) img{border-radius:200px;}#kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;}#kt-info-box_76677b-cb .kt-blocks-info-box-title{color:#4f4e4e;font-size:15px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}#kt-info-box_76677b-cb .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_76677b-cb .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} A Reasons for more tropical cyclones in the South China Sea, Bay of Bengal and Gulf of Mexico . Although the north Indian Ocean engenders merely about 10 per cent of the world's total cyclones, their effect is tremendous and devastating. Wind speed of over 62 kmph is classified as a tropical cyclone and assigned a name. The reason why tropical cyclones often follow the direction from West [sic] to East [sic] is b/c tropical cyclones do not often follow the direction from west to east. Bay of Bengal and Arabian Sea where they are called cyclones. - This is because summers and pre-monsoons see dry and hot air moving from north-western India towards the Bay. In the thunderstorm, air is uplifted as it is. Temperate cyclones can be formed on both land and sea, A tropical cyclone doesnt last for more than 7 days, Temperate cyclone can last for a duration of 15 to 20 days. These thunderstorms merge and create an intense low pressure system (wind is warm and lighter). The remains of an upper tropospheric cyclone from the Westerlies move deep into the tropical latitude regions. (Continents attain maximum temperatures in June-July)], [rising of humid air => adiabatic lapse rate => fall in temperature of air => condensation of moisture in air => latent heat of condensation released => air gets more hot and lighter => air is further uplifted => more air comes in to fill the gap => new moisture available for condensation => latent heat of condensation and the cycle repeats], [Eye is created due to tangential force acting on wind that is following a curvy path]. Storms that form just west of. Current Affairs of 2021 & earlier are available for free on PMF IAS Google Drive Folder. (250 words) (UPSC 2014) Difficulty level: Moderate. Cyclone monitoring by satellites is done through very high resolution radiometers, working in the visual and infra-red regions (for night view) of the spectrum to obtain an image of the cloud cover and its structure. The depth of warm water(26-27C)should extend for60-70 mfrom the surface of the ocean/sea, so that deep convection currents within the water do not churn and mix the cooler water below with the warmer water near the surface. Tropical Cyclones Tropical cyclones are regarded as one of the most devastating natural calamities in the world. The air from surroundings rushes in and undergoes deflection due to, Due to centripetal acceleration (centripetal force pulling towards the center is countered by an opposing force called centrifugal force), the air in the vortex is forced to form a region of calmness called an. It helps in taking advance steps in the following areas: provision of shelter with sanitation facilities (safety homes). These winds, called trade winds, blow from east to west in the tropics. The low pressure at the center is responsible for the wind speeds. Because the pressure falls on the inside, the tangential winds around the tropical cyclone increase due to the increased pressure gradient. Remote sensing by radars, aircraft and satellites helps predict where exactly the cyclone is going to strike. The cloud size decreases from center to periphery. They turn further north-eastwards around 25 latitude, and then eastwards around 30 latitude. Why do Atlantic hurricanes move East to West? A generic term for tropical depressions, tropical storms, and hurricanes. This can and does happen because the currents arent stationary. As areas of low pressure form, they interact with the jet stream which ultimately pushes them on through. The cyclones are often characterized by the existence of an anticyclone between two cyclones. Body: Give the major ethical issues involved along with the stakeholders. Tropical cyclones die at 30 latitude because of cool ocean waters and increasing wind shear due to westerlies. Current Affairs of 2021 & earlier are available for free on PMF IAS Google Drive Folder.Once the payment is made, you need to log in to the Downloads Page to download the files (check your email for the login details). As Nisarga is expected to hit the western coast, Mumbai is under severe threat. Thanku so much lotus arise for encouraging us by providing such materials. In India, there are detection radars along both the coasts. The polar front jet stream, a relatively thin ribbon of exceptionally fast-moving air that flows mostly from west to east, is created by these high-temperature disparities. . This warm water lies well within the belt of easterly winds, so almost all the storms that form there move away from the coast, toward the west. The air from surroundings rushes in and undergoes deflection due to, Due to centripetal acceleration (centripetal force pulling towards the center is countered by an opposing force called the centrifugal force), the air in the vortex is forced to form a region of calmness called an. Wind velocity, in a tropical cyclone, is more in poleward margins than at center and is more over oceans than over landmasses, which are scattered with physical barriers. Tropical cyclones move from east to west tracking roughly along the base of the Hadley global circulation cell. A well developed divergence in the upper layers of the atmosphere is necessary so that the rising air currents within the cyclone continue to be pumped out and a low pressure maintained at the center. #kt-info-box_02b56b-06 .kt-blocks-info-box-link-wrap{border-radius:10px;background:#ffffff;padding-top:5px;padding-right:6px;padding-bottom:5px;padding-left:6px;margin-top:1px;margin-right:0px;margin-bottom:0px;margin-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-link-wrap:hover{border-color:#eeeeee;background:#f1f3ef;}#kt-info-box_02b56b-06 .kadence-info-box-image-inner-intrisic-container{max-width:30px;}#kt-info-box_02b56b-06 .kadence-info-box-image-inner-intrisic-container .kadence-info-box-image-intrisic{padding-bottom:100%;width:512px;height:0px;max-width:100%;}#kt-info-box_02b56b-06 .kt-info-svg-icon, #kt-info-box_02b56b-06 .kt-info-svg-icon-flip, #kt-info-box_02b56b-06 .kt-blocks-info-box-number{font-size:50px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;border-radius:200px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:10px;margin-top:0px;margin-right:20px;margin-bottom:0px;margin-left:0px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-media .kadence-info-box-image-intrisic:not(.kb-info-box-image-ratio) img{border-radius:200px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-media{color:#444444;background:#ffffff;border-color:#eeeeee;}#kt-info-box_02b56b-06 .kt-blocks-info-box-title{color:#4f4e4e;font-size:15px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-learnmore{background:transparent;border-color:#555555;border-width:0px 0px 0px 0px;padding:4px 8px 4px 8px;margin:10px 0px 10px 0px;}#kt-info-box_02b56b-06 .kt-blocks-info-box-link-wrap:hover .kt-blocks-info-box-learnmore{color:#ffffff;background:#444444;border-color:#444444;} Tropical cyclones are also known as hurricanes. The wind velocity in a tropical cyclone is much higher and it is more destructive. Winds 40-300+ mph. They carry hurricanes and other tropical storms from east to west. Cloud formation is dense at the center. It is a vortex of rapidly moving air. They then lose energy and subside. Tropical cyclones develop when the wind is uniform. This supplies enough moisture to the storm. In the Atlantic, storms are carried by the trade winds from the coast of Africa where they typically form westward to the Caribbean and North American coasts. Storms generally move east to west because of trade winds in the tropics, so a greater westward shift usually puts them closer to where the land is, Wang said. Mid-latitude cyclones are the main cause of winter storms in the middle latitudes. The Coriolis force explains why winds circulate around high and low pressure systems as opposed to blowing in the direction of the pressure gradient. Upper divergence above the sea level system, Ocean waters having temperatures of 27 C or more is the source of moisture which feeds the storm.
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why tropical cyclones move from east to west upsc