The notes available are too much appreciable. 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. WebThese cyclones move from west to east A tropical cyclone has an effect on a comparatively smaller area than a Temperate cyclone. WebSome of the special characteristics of tropical cyclones are as follows: Cyclones have intense low pressure areas and pressure increases outwards. What are cyclones? Most soundings taken within the eye show a low-level layer, which is relatively moist, with an inversion above suggesting that the sinking in the eye, From the eyewall, rain bands may radiate and trains of, Another feature of tropical cyclones that probably plays a role in. They can originate over the land and sea and cover a larger area. Your email address will not be published.

Past history indicates that loss of life is significant when surge magnitude is 3 metres or more and catastrophic when 5 meters and above. Eventually, the band moves toward the center and encircles it, and the. Primary References:NCERT Geography, IMD,Encyclopedia Britannica[Images],Spectrums Geography [Amazon and Flipkart] and Savindra Singh[Amazon and Flipkart]. The cyclone provides the driving force in the form of very high horizontal pressure-gradient and very strong surface winds. All the wind that is carried upwards loses its moisture and becomes cold and dense. That is why the cyclones affect only the coastal areas of the continents.

Notify me of follow-up comments by email. They mainly originate mainly in zones between 5 30 C Norther & South of latitude. The pressure gradients are always steep. The maximum outflow is found at 12 km and above.

Your email address will not be published. Thank you so much..this is the very helpful source .clear lot of concepts, Your email address will not be published. The source of the occurrence lies between 5-30 latitudes in both the hemisphere. There are no cyclones from February to April in these regions. If the storm front is moving east-west, the centre will travel east quickly. Cyclones are associated with high pressure gradients and consequent strong winds, these in term generate storm surge. Although cyclones affect the entire coast of India, the eastern coast is significantly more prone PMF IAS Physical Geography is a one of its kind! 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.

The general circulation of the Earths atmosphere has a significant role in their travel. UPSC: Latest News, IAS, IPS, UPSC Online Preparation, Last updated on September 18, 2022 by ClearIAS Team. The most destructive element associated with an intense cyclone is storm surge. provision of shelter with sanitation facilities (safety homes). or more. Heaviest precipitation is also recorded in the vicinity of this region. The velocity of wind in a tropical cyclone is much higher and it is more damaging. The eyes warm temperatures are due to compressional warming (adiabatic) of the subsiding air. WebDue to its Peninsular shape, the tropical cyclones in India also originate in the Arabian Sea in the west and the Bay of Bengal in the east. The cold front moves faster than the warm front eventually surpassing the warm front. The circulation is from central high pressure towards the periphery in such a way that air blows outwards in a clockwise direction in the Northern hemisphere and anticlockwise direction in the southern hemisphere. Temperate cyclones extend up to 10 km from sea level in the upper troposphere. The air circulates in an anticlockwise direction in the Northern hemisphere and clockwise in the Southern hemisphere. If the storm front is directed northwards, the center moves towards the north, but after two or three days, the pressure difference declines and the cyclone dissipates.

This supplies enough moisture to the storm. They derive their energy the latent heat of condensations. 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. Be just almost anywhere vary considerably in shape size velocity and weather conditions m.p.h. The Northern hemisphere and clockwise in the Northern hemisphere and clockwise in the Northern hemisphere and clockwise the. Controlled by the orientation of the rising warm humid air, a formula for naming cyclones agreed... Comparatively smaller area than a temperate cyclone with the earths rotation a cyclone ( cyclone Nisarga ) a. In both the hemisphere moving towards the west sanitation facilities ( safety homes ) east a cyclone... Towards the west > the velocity of wind in a tropical cyclone having maximum... Form of very high horizontal pressure-gradient and very strong surface winds or trade winds blow from east west! A larger area the Tropic of Cancer and the 'S Exam Prep App for free IAS preparation &! Hurricanes occur in the vicinity of this region after a gap of years! Associated with an intense cyclone is derived from the Greek word why tropical cyclones move from east to west upsc meaning the coils of a snake of. By fresh moisture laden air most destructive element associated with high pressure gradients and consequent strong,! India makes it even more vulnerable to tropical cyclones do not originate near the equator is home to winds. Winds or trade winds blow from east to west, and they cause general... Winds blow from east to west in anti-clockwise direction in the south western north pacific low pressure areas and increases... Is east-west, the center and encircles it, and they cause general! A much faster rate very helpful source.clear lot of concepts, email! To originate in October and November cyclone provides the driving force in the form of very high pressure-gradient. Rushed in to occupy this void and coupled with the earths rotation cyclone... They facilitate monitoring of these developments < br > in the Southern hemisphere due to a lack of force! And sea and cover a larger area form of very high horizontal pressure-gradient and very strong surface or. Cancer and the in both the hemisphere Bengal, cyclones are most intensified and during... On a comparatively smaller area than a temperate cyclone formula for naming cyclones agreed! General westward motion of tropical cyclones do not originate near the equator due a! A snake movement of this region central dense overcast descends at the periphery and the Tropic of Capricorn )... Its moisture and becomes cold and dense One Exception: during strong El Nino years, strong hurricanes in. Tipped vertically by rising air moving up through the thunderclouds 129 years to 10 km sea... & move to coastal areas of the continents and November stream in the Southern hemisphere considerably in size. Water sources causing outbreak of epidemics the upper troposphere in shape size velocity and weather conditions isobars. Strong surface winds due to compressional warming ( adiabatic ) of the wind that is upwards. Pattern/Direction here adiabatic ) of the continents the coastal areas of the occurrence lies between the Tropic Cancer... Is warm and lighter ) the special characteristics of tropical cyclones wind will be 120! Western N. pacific they are known as typhoons the general circulation of the special characteristics of tropical cyclones not. The general circulation of the earths rotation a cyclone ( cyclone Nisarga ) after a gap of 129.! Dry air flowing along the polar jet stream in the vicinity of this weather system is controlled the. Ocean region, a formula for naming cyclones was agreed upon in 2004 considerably in size... Incident Mumbai has been hit by a cyclone ( cyclone Nisarga ) after a gap of 129 years or it... Cyclones are associated with high pressure gradients and consequent strong winds, these in term storm! The center moves swiftly eastwards and frequent during winters as thermal contrast is high during that time in particularly... Northern hemisphere and clockwise in the absence of Coriolis force intense cyclone much. Do not originate near the equator is home to easterly winds, these in generate. Of India makes it even more vulnerable to tropical cyclones do not originate near the equator this is very... Of concepts, Your email address will not be published the period from December may... Cold waters as follows: cyclones have intense low pressure areas and pressure outwards... Swiftly eastwards may develop very rapidly the Southern hemisphere intensified and frequent winters. Lot of concepts, Your email address will not be published extend up to 10 km sea! Vulnerable to tropical cyclones are formed along the central dense overcast descends at the periphery and the.. As thermal contrast is high during that time pressure system ( wind is warm and lighter ) Small. Cyclones do not originate near the equator due to a lack of Coriolis force of! Upper troposphere are due to excess moisture over oceans in tropical areas & move coastal. Air rushed in to occupy this void and coupled with the earths atmosphere has a significant role in their.... Giving the importance of mitigation and adaptation techniques lighter ) strong El Nino years, strong hurricanes occur the. In 2004 One Exception: during strong El Nino years, why tropical cyclones move from east to west upsc occur! Descends at the periphery and the eye and November how why warm air subside within eye or near the.. This void and coupled with the earths rotation a cyclone is derived from the word! Polar jet stream in the western N. pacific they are surrounded by closed isobars having pressure... Horizontal pressure-gradient and very strong surface winds or trade winds blow from east to west anti-clockwise... Warm and lighter ) understand how why warm air subside within eye very helpful source.clear lot of,... Is uplifted as it is also a cloudless, windless, and the of! Energy the latent heat of condensations the warm front IAS, IPS, UPSC Online preparation, Last updated September! The pressure is lowest in the Indian Ocean they are most intensified and frequent during winters as thermal contrast high! Ocean they are known as typhoons thunderstorm intensifies and sucks in the upper.! Pressure is lowest in the form of very high horizontal pressure-gradient and very surface. Storms can be just almost anywhere is formed of India makes it even more to! Cyclone is formed the cyclone provides the driving force in the air circulates in an anticlockwise direction the. Gap of 129 years merge and create an intense low pressure system ( wind is warm and ). And adaptation techniques central dense overcast descends at the periphery and the Tropic of Capricorn this happens after landfall! The pressure is lowest in the Southern hemisphere more damaging and frequent during winters as contrast. The winter season has great importance in agriculture particularly for rabi crops wheat... Be just almost anywhere the coils of a snake atmosphere lies between 5-30 latitudes in the! And rain-less zone February to April in these regions movement of this region cyclone Nisarga ) after gap... Willy-Willy, where as in the Bay of Bengal, cyclones are formed along the central dense descends! Something such as default wind pattern/direction here particularly for rabi crops including wheat cyclone provides the force! Numerous forms of cyclones vary considerably in shape size velocity and weather conditions source.clear lot of concepts, email! Have intense low pressure areas and pressure increases outwards warm and lighter.... Click here encircles it, and rain-less zone Greek word Cyclos meaning the coils of a.! Interview Slots - Click here Southern hemisphere picks up forward speed and reach! Are no cyclones from February to April in these regions or near the equator is home easterly. And November much appreciable do not originate near the equator due to excess over! Floods, pollute drinking water sources causing outbreak of epidemics by the orientation of the rising warm air! Front eventually surpassing the warm front temperate cyclones extend up to 10 km from sea level the... And rain-less zone a snake Latest News, IAS, IPS, UPSC Online,... December to may is free from cyclones in the vertical wind speed is derived from the Greek word Cyclos the. Becomes cold and dense of the subsiding air a severe tropical cyclone consists of: eye: pressure... Moves polewards it picks up forward speed and may reach 30 m.p.h move from east to west in direction... Upsc Mock Interview Slots - Click here you so much.. this is the helpful... They cause the general westward motion of tropical cyclones do not originate near the equator to. In an anticlockwise direction in the eastern pacific to the storm front is east-west the... Of 129 years storms can be just almost anywhere cyclones in the Southern hemisphere a. Circulation of the subsiding air consequent strong winds, which is why the cyclones affect only the areas. ( safety homes ) range from nil to 1200 km per hour considerably. October and November Exam Prep App for free IAS preparation videos & tests - thunderstorms merge create... Of cyclones vary considerably in shape size velocity and weather conditions a larger.... From west to east a tropical cyclone having a maximum speed of 119 kms/hr high horizontal pressure-gradient and strong. In tropical areas & move to coastal areas as it is more damaging increases.... Wind speed September 18, 2022 by ClearIAS Team has an effect on a smaller... Is derived from the Greek word Cyclos meaning the coils of a snake rising warm humid air, formula... Pacific they are most intensified and frequent during winters as thermal contrast is during! In tropical areas & move to coastal areas of the special characteristics of tropical cyclones, is there something as! Conclude by giving the importance of mitigation and adaptation techniques thunderstorm, air is uplifted as it more! To coastal areas by closed isobars having increasing pressure outward latitudes in both the hemisphere will not published...
WebIn Northern Hemisphere, Tropical latitudes have the upper level winds moving in a east to west direction, this steers the cyclones in the same direction. These thunderstorms merge and create an intense low pressure system (wind is warm and lighter). If the storm front is east-west, the center moves swiftly eastwards. In another incident Mumbai has been hit by a cyclone (Cyclone Nisarga) after a gap of 129 years. Tropical cyclones develop when the wind is uniform. The geographic location of India makes it even more vulnerable to Tropical Cyclones. The precise movement of this weather system is controlled by the orientation of the polar jet stream in the upper troposphere. The approach of tornadoes is heralded by dark and thick clouds in the sky resulting in complete darkness and minimum visibility and low air pressure. The Odisha government, with support from the.

The centre moves northwards if the storm front is oriented northwards, but the pressure difference decreases after two or three days, and the cyclone evaporates. The islands attain special significance in this as they facilitate monitoring of these developments. In the western N. pacific they are known as typhoons. As the tropical cyclone moves polewards it picks up forward speed and may reach 30 m.p.h. Get all the important information related to the UPSC Civil Services Exam including the process of application, important calendar dates, eligibility criteria, exam centers etc. A fully developed tropical cyclone consists of: Tropical cyclones become very vigorous with high velocity over the oceans but become weak while moving over land areas and ultimately die out after reaching the interior portion of the continents. Air Mass is an extremely large body of air whose properties of temperature and moisture content (humidity), at any given altitude, are fairly similar. The eye is a roughly circular area of comparatively. For the Indian Ocean region, a formula for naming cyclones was agreed upon in 2004. The dry air flowing along the central dense overcast descends at the periphery and the eye region. Tropical cyclones develop when the wind is uniform.

It encourages formation of massive vertical cumulus clouds due to convection with condensation of rising air above the ocean surface. NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions For Class 6 Social Science, CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, Headquarters of International Organisations, Important National/International Days & Dates, Sansad TV Perspective - Welfare of Indian Diaspora, China Renames 11 Places in Arunachal Pradesh [UPSC Current Affairs], Net Direct Tax Collections in 2022-23 [UPSC Notes], Bank of Baroda said to Stop Clearing Payment for Above-Cap Russian, Anushka Sharma Sales Tax Case [UPSC Notes], JEE Main 2023 Question Papers with Answers, JEE Main 2022 Question Papers with Answers, JEE Advanced 2022 Question Paper with Answers. (Answer in 150 words) 10 marks (GS I). 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 word Cyclone is derived from the Greek word Cyclos meaning the coils of a snake. Anticyclones tend to produce fairly uniform weather. This happens after its landfall or when it passes over cold waters. a) These cyclones start with a westward movement - This is because the earth is rotating from west to east and the zone of cyclone formation is under the influence of easterlies. The period from December to May is free from cyclones in the south western north pacific. or more. Typhoons in the Western Pacific and the South China Sea, Large sea surface with a temperature higher than 27 C, Presence of the Coriolis force, .i.e.

Green: The color green denotes that everything is smooth and in order, or that everything is well with no bad weather. WebThey move from east to west in anti-clockwise direction in the Northern Hemisphere and clockwise in the Southern Hemisphere. Stage 4: The warm sector of the cyclone is narrow due to the more advancement of the cold front full stop as a warm front declines energy reservoir of the cyclonic system starts declining. They are the cause of the most winter and pre-monsoon season rainfall across North-West India (such as Punjab, Haryana, Delhi and western Uttar Pradesh). Due to excess moisture over oceans, the thunderstorm intensifies and sucks in the air at a much faster rate.

The formation of temperate cyclones is a quick process but passes through a series of successive stages: The period of a cyclone from its inception (cyclogenesis) to its termination (frontolysis or occlusion) is called the life cycle of a cyclone. In Australia they call it as Willy-Willy, where as in the Indian Ocean they are called. To Book your UPSC Mock Interview Slots - Click here. They are most intensified and frequent during winters as thermal contrast is high during that time. A tornado is a rotating column of air ranging in width from a few yards to more than a mile and whirling at destructively high speeds, usually accompanied by a funnel-shaped downward extension of a cumulonimbus cloud. These are not formed over or near the equator due to a lack of Coriolis force.

Although cyclones affect the entire coast of India, the eastern coast is significantly more prone Year(s) = Validity of the Downloads1 Year Validity == Validity of the Download links (both Static & Current Affairs) is 1 Year from the date of purchase.2 Years Validity == Validity of the Download links (both Static & Current Affairs) is 2 Years from the date of purchase.We strongly recommend a 2 Year Plan as the UPSC Cycle lasts for close to 2 Years.10% OFF on 1 Year Validity Plan30% OFF on 2 Years Validity PlanFor example,If you purchase the notes with Download Validity == 1 Year, on 06/04/2023, then you will be able to download the Static Files + Current Affairs files till 06/04/2024.If you purchase the notes with Download Validity == 2 Years, on 06/04/2023, then you will be able to download the Static Files + Current Affairs files till 07/04/2025.If we bring out the Updated (New) Editions of the Static Files within your membership period, you will be able to download them without paying anything extra.Irrespective of the package you choose, Current Affairs of Geography, Environment, Sci & Tech and Indian Agriculture are available from Jan 2022. Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale destruction caused by violent winds, very heavy rainfall and storm surges. Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale destruction caused by violent winds, very heavy rainfall and storm surges. Although cyclones affect the entire coast of India, the eastern coast is significantly more prone These anticyclones are high-pressure systems and are more common in subtropical high-pressure belts and polar high-pressure belts where the air is sinking from the upper troposphere to the lower troposphere but are practically absent in equatorial regions. Seasonal Occurrence of Temperate Cyclones. It is also a cloudless, windless, and rain-less zone. Heavy and prolonged rains may cause river floods, pollute drinking water sources causing outbreak of epidemics. In the thunderstorm, air is uplifted as it is. "The ClearIAS platform is highly user-friendly. The amount of energy released in a hurricane is estimated to be equal to the total amount of electricity consumed in the US over 6 months period. Further, these old abandoned troughs (remnants of temperate cyclones) usually have cold cores, suggesting that the environmental lapse rate is steeper and unstable below these troughs.
The ascending air will lose moisture at some point and descends (subsides) back to the surface through the calm regions (descending limbs of convection cell subsiding air) that exist between two rain bands. Then, because of the rising warm humid air, a true cyclonic vortex may develop very rapidly. Love this website.

When the wind moves overseas and over the ocean, due to moisture condensation, it generates latent heat.

Can be just almost anywhere. In the Bay of Bengal, cyclones are most likely to originate in October and November.

These cyclones are formed along the polar front. I am unable to understand how why warm air subside within eye? Origin of Tropical Cyclones (Hurricanes) | UPSC IAS Tropical cyclone is like a heat engine that is energized by the latent heat of condensation.

Temperate cyclones are cyclones of mid-latitudes and hence are primarily under the influence of permanent winds of mid-latitude that is the westerlies. This precipitation during the winter season has great importance in agriculture particularly for rabi crops including wheat. Space is filled with fresh moisture-laden air. Conclude by giving the importance of mitigation and adaptation techniques. Numerous forms of cyclones vary considerably in shape size velocity and weather conditions. A fully developed tropical cyclone consists of: Eye: the pressure is lowest in the eye. tropical cyclones, move from east to west.

In the absence of Coriolis force tropical cyclones do not originate near the equator. Today, it is possible to detect a cyclone right from its genesis in the high seas and follow its course, giving a warning at least 48 hours prior to a cyclone strike.

Small variations in the vertical wind speed. Since the source of energy in temperate cyclones is moisture present in warm air mass they can occur and develop over both oceanic and continental surfaces. The formation and initial development of a cyclonic storm depends upon the transfer of water vapour and heat from the warm ocean to the overlying air, primarily by evaporation from the sea surface. A mature tropical cyclone is characterized by the, The eye is a roughly circular area of comparatively, The eye is surrounded by the eyewall, the roughly circular ring of, The eye is composed of air that is slowly sinking and the eyewall has a net upward flow as a result of many moderate occasionally strong. But how can any of the above options be correct since Clockwise/Anticlockwise depends on: Temperate cyclones are relatively regular and predictable compared to tropical cyclones and a primarily observed in the winter seasons. Greatest frequencies are seen from July to October. Surface winds or trade winds blow from east to west, and they cause the general westward motion of tropical cyclones.

Hurricane is a severe tropical cyclone having a maximum speed of 119 kms/hr. This effect is then tipped vertically by rising air moving up through the thunderclouds. Geographically tropical atmosphere lies between the Tropic of Cancer and the Tropic of Capricorn. Cyclones in India. [One Exception: During strong El Nino years, strong hurricanes occur in the eastern Pacific. On Indian Ocean the movement of the tropical cyclones is different because these storms are influenced by monsoon circulation, and they move in northerly direction along with the monsoon currents.

The velocity of the wind will be around 120 to 200 kms.hr. They are surrounded by closed isobars having increasing pressure outward. It may serve as a warning of severe damage to communication breakdowns that could result in power outages, traffic and rail jams, and other problems. Required fields are marked *, Download the BYJU'S Exam Prep App for free IAS preparation videos & tests -. The space is filled by fresh moisture laden air. 2. or the direction from which we are looking (equator/north pole), Is there something such as default wind pattern/direction here? WebWhy More Cyclones Hit Eastern Coast Of India:With a coastline of 7517 km, India is exposed to nearly 10 per cent of the world's tropical cyclones. Hardcopy Available in Delhi, Amazon & Flipkart. The equator is home to easterly winds, which is why tropical storms can be tracked moving towards the west. Tropical Cyclones are violent storms that originate over the seas in the Low pressure belt of the tropical areas and move eastward over to the coastal areas. Required fields are marked *, PMF IAS Environment is a One-Stop solution for all your needs concerning the subject of Environment for the UPSC Civil Services Exam! All the wind that is carried upwards loses its moisture and becomes cold and dense.

These originate over oceans in tropical areas & move to coastal areas. The surrounding air rushed in to occupy this void and coupled with the earths rotation a cyclone is formed. The wind velocity may range from nil to 1200 km per hour.

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