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Cyclonic Storm Nilam was the deadliest tropical cyclone to directly affect South India since Cyclone Jal in 2010. Originating from an area of low pressure over the Bay of Bengal on October 28, the system began as a weak depression 550 km (340 mi) northeast of Trincomalee, Sri Lanka. Over the following few days, the depression gradually intensified into a deep depression, and subsequently a Cyclonic Storm by October 30. It made landfall near Mahabalipuram on October 31 as a strong Cyclonic Storm with peak winds of 85 km/h (50 mph).〔(【引用サイトリンク】url=http://www.webcitation.org/6BpKNmkZp )〕 In Chennai's Marina Beach, strong winds pushed piles of sand ashore and seawater reached nearly a inland. Schools and colleges in the city remained closed for more than three days.〔(【引用サイトリンク】url=https://www.youtube.com/watch?v=xBk31JD7rXc )〕 More than 3000 people were evacuated around Mahabalipuram in the wake of the storm. Schools and colleges in Chennai declared holidays until November 1 as 282 schools had been converted into relief centers. Government offices and private organisations closed their operations by 3 p.m. to ease traffic congestion. Cyclone shelters had been arranged in Nagapattinam and Cuddalore districts. Mahabalipuram faced power outages and 90 trees were uprooted and two huts were damaged. While damages to property were considerable, human casualties were very few. Nilam was initially estimated to have caused economic losses of around to .〔(【引用サイトリンク】url=http://www.business-standard.com/india/news/cyclone-nilam-takestolltn/491335/ )〕 The figures soon went up to .〔(【引用サイトリンク】url=http://www.business-standard.com/india/news/tamil-nadu-picksafter-nilam-surge/491464/ )〕 Later, as the Andhra Pradesh government conducted their review on the storm, it was revealed that the state suffered huge economic losses of .〔 In Bangalore, heavy rains and strong winds felled over 86 trees. One fell on the compound wall of a police commissioner's residence, causing structural damage. In Basava Road, a tree pulled down power lines, along with six electric poles outing power in the locality. Over 3,000 tonnes of debris was cleared out using 285 trucks. of rainfall was recorded in the city with a maximum sustained windspeed of .〔(【引用サイトリンク】url=http://www.dnaindia.com/bangalore/report_cyclone-nilam-wet-windy-spell-takes-a-toll-on-bangalore-s-tree-cover_1759297 )〕 ==Meteorological history== In the early hours of October 27, the India Meteorological Department's Regional Specialized Meteorological Centre in New Delhi started to monitor an area of low pressure, that had developed in south central Bay of Bengal.〔(【引用サイトリンク】url=http://www.webcitation.org/6BiwWWADR )〕 The next day, the system intensified into a Depression about to the northeast of Trincomalee, Sri Lanka. The IMD officially designated it with BOB 02. During that day the depression moved towards the west and gradually developed further with deep convection surrounding the system becoming better organized. The Joint Typhoon Warning Centre also noted that deep convection was building over a cloud-covered low level circulation center and issued a Tropical Cyclone Formation Alert.〔(【引用サイトリンク】url=http://www.webcitation.org/6BkHMKvHd )〕 Early the next day, RSMC New Delhi reported that the depression had intensified into a Deep Depression, before later that day the JTWC started to monitor the system as Tropical Cyclone 02B with windspeeds equivalent to a tropical storm. Early on October 30, RSMC New Delhi reported that the system had intensified into a Cyclonic Storm and named it as Nilam while it was located about to the northeast of Trincomalee in Sri Lanka. During that day, Nilam moved towards the northwest, while continuing to develop further. Early the next day, the JTWC reported that Nilam had reached its 1-minute peak windspeeds of , while RSMC New Delhi reported 3-minute peak sustained windspeeds of . Nilam continued to track northwestward under the influence of a low to mid-level subtropical ridge.〔(【引用サイトリンク】url=http://www.webcitation.org/6BqSktkO8 )〕 Later that day the system made landfall on the Indian Coast near Mahabalipuram, before the JTWC issued its final advisory on Nilam as it started to rapidly weaken into a depression over land.〔(【引用サイトリンク】url=http://www.webcitation.org/6BqSivy5K )〕 In the early hours of November 1, Nilam weakened into a Deep Depression.〔(【引用サイトリンク】url=http://www.webcitation.org/6BqS8L1Q2 )〕 As it moved further inland into the Rayalaseema region of Andhra Pradesh, Nilam further weakened into a Depression.〔(【引用サイトリンク】url=http://www.webcitation.org/6BqS8EqSS )〕 The IMD continued tracking Nilam as a weak depression until November 2, when they issued their last warning on the system.〔(【引用サイトリンク】url=http://www.webcitation.org/6Bs4ur0cO )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cyclone Nilam」の詳細全文を読む スポンサード リンク
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