winds are a very light eye, usually not 25 30/hr rain practically absent, contrast, strongest heaviest occur just outside this central eye. Copyright © [2020] [Bank of Info] | Powered by [Regal Solution]. At times more than two to three weeks of rainfall may occur in Sylhet and Cox’s Bazar areas. It is bordered by the Himalayas to the north and by the Bay of Bengal to the south. The center of the cyclone is calm and is known as the eye. Describe the distribution of the rainfall (comment of the areas which receive the highest and lowest amounts). At the same time, a low-pressure system develops over Australia and the Indian Ocean where it is warmer. The life cycle of a cyclone ends soon after the cyclone reaches land (landfall) because it is cut off from its moisture source. Name two high-risk areas to be hit by cyclones. ...No more papers... Save the tree and Stop Deforestation ... World Peace... To help and support us These storm clouds are usually 5 km wide and 8 km high. Look at a map in an atlas that shows the average annual rainfall for Bangladesh. Describe the rainfall distribution at each station. Again, higher rainfall in the northeast is caused by the additional optional uplifting effect of the Meghalaya plateau. Rainfall which takes place during this time accounts for 10 to 25 percent of the annual total. This is popularly known as Kal Baishaki in the early summer and Ashshiner Jhor during the late monsoon. In brief: characteristics of a tropical monsoon climate. Higher rainfall in the northeast is caused by the additional effect of the orographic uplifting provide by the Meghalaya plateau. January is the coldest month in Bangladesh. ( Log Out /  The change of season is mainly due to the change in the angle of the earth’s axis in relation to the position of the sun at a particular place. ( Log Out /  In Bangladesh, the maximum value of this storm surge has been reported to be as high as 13m. This is because of: Most of the damage caused by the cyclones occur in the coastal regions of Khulna, Patuakhali, Barisal, Noakhali and Chittagong and the offshore island of Bhola, Hatiya, Sandwip, Mapura, Kutubdia, Maheshkhali, Nijhum Dwip, Urir Char and other newly formed islands. Average temperatures in April vary from about 27˚C in the northeast to 30˚C in the extreme west of the country. In Bangladesh, cyclones occur in April-May and also in September-December. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Cyclones occurring in the tropical regions are called tropical cyclones. As the tropic of climate passes through the country, a tropical climate prevails. The word ‘monsoon’ is derived from the Arabic word ‘Mauism’ which means seasons. Other articles where Tropical monsoon climate is discussed: tropical monsoon and trade-wind littoral climate: …to wet equatorial climates, tropical monsoon and trade-wind littoral climates exhibit a short dry season, usually in the low-sun (“winter”) season, and the highest temperatures generally occur at the end of this clear spell. Rainfall in this season caused by weak tropical depressions that are brought from the Bay of Bengal into Bangladesh by the monsoon winds. This spinning air can reach speeds of 200 km/hr and absorbs large amounts of moisture forming cumulonimbus clouds which result in heavy rain. At the same time, high pressure develops over the comparatively cooler the Indian Ocean. The minimum temperature in the extreme northwest in late December and early January can be as low as 3˚C to 4˚C. The cold air then sinks. Using the data below, construct climate graphs of the following three stations (1999) to illustrate the varying temperatures and rainfall amounts. The Bay cyclones also move towards the eastern coast of India, towards Myanmar and occasionally into Sri Lanka. The rainy season (June-October) accounts for 70 to 80% of the annual rainfall, which varies from 70% in the eastern part of the country to about 80% in the southwest, and 85% in the northwest. The average rainfall of this season varies from 200 mm in the west-central part of the country to 800 mm in the northeast region such as Sylhet and Chittagong divisions. Winds from Asia’s high-pressure area blow towards the low-pressure system in the southern hemisphere. Justify your answer. The Bengal calendar year is traditionally divided into six seasons: Each season lasts on average two months, but some seasons merge into other seasons, while others are short. This site uses Akismet to reduce spam. Let’s find more characteristics of a tropical monsoon climate. It is bordered by the Himalayas to the north and by the Bay of Bengal to the south. There is little that can withstand a great mass of onrushing water often as high as 6m. Like in the tropical rain forest climate, temperatures remain high all year in the monsoon climate. Average April, the temperature decreases slightly during the summer months, which coincides with the rainy season. What will the surge heights be in those areas? The wind that changes direction with the change of seasons is known as the monsoon wind. the info is realy useful…. ( Log Out /  As the winter season progresses into the pre-monsoon hot season, temperatures rise, reaching the maximum in April, which is the middle of the pre-monsoon hot season. Average temperatures in July vary from about 27˚C in the southeast to 29˚C in the northwest of the country.

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