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Features of Haiyan, the severest typhoon of this year

English.news.cn   2013-11-13 14:29:59            

Workers of a timber mill salvage timber in floodwaters at Sanli Township in Guigang City, south China's Guangxi Zhuang Autonomous Region, Nov. 12, 2013. . (Xinhua/Zhou Hua)

BEIJING, Nov. 13 (Xinhuanet) -- Haiyan has “defeated” Francisco and Phailin and been the severest typhoon of this year.

The life of Haiyan was 183 hours. It formed in northwest Pacific and landed in the coastal area of central Philippine with the super typhoon intensity (over category 17) at 7:00 am of November 8. Then it crossed central Philippines and entered into southeast of South China Sea. On the night of November 9, it reduced into typhoon and landed in the coastal area of northern Vietnam at 5:00 am of November 11. At 9:00 am, it entered into Guangxi of China and reduced into tropical depression at 20:00 of the same day.

Xu Yinglong, an expert of National Meteorological Center pointed out that Haiyan had 3 main features:

Its strong intensity has been rare in record. When Haiyan made landfall in the Philippines, its maximum wind force has been 75m/s, the level of super typhoon. According the meteorological record, Haiyan has the strongest intensity when making landfall in Northwest Pacific compared with other typhoons.

Its speed has been rare in record. Generally speaking, the speed of typhoon which moves from east to west is 15 to 20km per hour, the fastest speed, 30 to 35km. As for Haiyan, its speed has become about 30 to 35km per hour. When it was in the Philippines, the speed has been 35 to 40km; when in south of Xisha Islands, 40 to 45km and even 50km per hour.

Its track has been rare also. According to the historical data, the typhoons, which entered into South China Sea from east to west in November, would always make landfall in central and southern Vietnam and then reduce in South China Sea. However, Haiyan has a different story. Its track was in north. It made landfall in northern Vietnam which has been the first typhoon landing in this region in November since 1949. After making landfall, Haiyan kept the typhoon intensity (category 12, 33m/s). Then it move into Guangxi of China. Meanwhile, it changed its track and moved towards east. This has been rare in history.

Haiyan has gone. National Meteorological Center has already relieved blue warnings of typhoon and rainstorm in the morning of November 13.

(Source: cma.gov.cn)

Related:

Haiyan toll rises in Guangxi, Hainan

BEIJING, Nov. 13 (Xinhuanet) -- The official death toll in Hainan province and the Guangxi Zhuang autonomous region was raised to 10 on Tuesday after Typhoon Haiyan grazed the coast of southern China, with millions affected, according to local civil affairs authorities.  Full story

Editor: Zhu Ningzhu
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