Tropical Storm Bilis

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Tropical Storm Bilis From Wikipedia, the free encyclopedia Jump to: navigation, search Severe Tropical Storm Bilis Severe tropical storm (JMA) Tropical storm (SSHS)

Tropical Storm Bilis near peak intensity


Formed July 8, 2006 Dissipated July 16, 2006 Highest winds 110 km/h (70 mph) (10-minute sustained) 100 km/h (65 mph) (1-minute sustained)

Lowest pressure 970 hPa (mbar) Fatalities 672 Damage $4.4 billion (2006 USD) Areas affected Philippines, Taiwan, southeast China Part of the 2006 Pacific typhoon season Severe Tropical Storm Bilis (international designation: 0604, JTWC designation: 05W, designated Typhoon Florita by PAGASA and sometimes known as just Tropical Storm Bilis) was a tropical storm that caused significant damage to areas of the Philippines, Taiwan, and southeastern China. It was the fifth tropical storm of the 2006 Pacific typhoon season recognized by the Joint Typhoon Warning Center. According to the Japan Meteorological Agency, Bilis was the fourth tropical storm of the season. The storm was also designated a typhoon by PAGASA, though it was never officially designated as such by the JMA. The word Bilis, submitted by the Philippines, means 'speed' or 'swiftness' in Tagalog.[1]

Despite never officially reaching typhoon strength, Bilis was responsible for $4.4 billion (2006 USD) in damage and 672 fatalities in the Philippines, Taiwan, and China. Most of the damage was caused by heavy rain, which triggered widespread flash flooding and landslides. Many of the areas Bilis flooded were later affected by Typhoon Kaemi, Typhoon Prapiroon, and intense Typhoon Saomai.

Contents [hide] 1 Storm history 2 Preparations 3 Impact 3.1 Philippines 3.2 Taiwan 3.3 People's Republic of China 4 Aftermath 5 See also 6 References


[edit] Storm history

Storm pathA tropical disturbance developed northeast of Yap on July 7 and slowly increased in organization. The Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert on the disturbance later that day as it moved northwestward. By July 8, it had developed sufficient convection to be designated a tropical depression by the JTWC and the Japan Meteorological Agency (JMA). The depression continued to strengthen, and was designated Tropical Storm Bilis by the JMA early on July 9. The JTWC upgraded Bilis to tropical storm status later that day. On July 10, Bilis moved into the area of responsibility of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), and was designated Tropical Storm Florita for local warnings.[2]

Over the next several days, Bilis moved generally northwestward toward Taiwan, slowly strengthening over open waters. Bilis was designated a severe tropical storm by the JMA on July 11, but the storm did not strengthen much further over the next few days due to a marginal upper-air environment and dry air entrainment. PAGASA upgraded the system to typhoon status on July 12, but the JMA never officially recognized the system as such in its advisories.[2] Bilis reached its official peak intensity of 60 knots (110 km/h, 70 mph) later that day.[3]

Bilis made its first landfall in northern Taiwan on July 13, with an intensity of 55 kt (100 km/h, 65 mph). After moving across northern Taiwan, Bilis made its second landfall in Fujian, China early on July 14 at the same intensity[4], then weakened into a tropical depression over land the next day. Bilis lingered as a tropical depression over southeastern China before degenerating into a remnant low on July 16.[3] Despite becoming a remnant low, the remnants of Bilis maintained their identity for several days while moving westward over China, bringing heavy rains to inland areas.


[edit] Preparations

Provinces of the Philippines in which public storm signals were raised for Typhoon Florita.On July 13, PAGASA issued Storm Signal Number 3, a warning for winds of 100–185 km/h (62–115 mph), for the Batanes and Calayan Islands. Storm Signal Number 2, for winds of 60–100 km/h (37–62 mph), was issued for northern Luzon, including the rest of Cagayan, Ilocos Norte, and Apayao. Storm Signal Number 1 (30–60 km/h, 19–37 mph) was raised for most of central Luzon, including much of the Cordillera Administrative Region and the northern half of the Ilocos Region.[5] Schools and government offices in those regions were closed.[5]

The Hong Kong Observatory issued a typhoon warning for Fujian on July 11, well in advance of Bilis' final landfall.[6] In response to the warning, officials evacuated over 800,000 people from Hunan[7] and 70,000 from Zhejiang. In addition, 256,000 fishermen and workers were evacuated from coastal areas in southeastern China, and 220,000 ships were ordered to return to port.[8] In Shanghai, the evacuations caused significant rail and bus delays, and more than 210 flights in and out of the city were canceled prior to landfall.[9]


[edit] Impact

[edit] Philippines The strongest winds and heaviest rains were south and east of Bilis' center, and its outer rainbands swept across Luzon in the Philippines, causing heavy rains, wind gusts to tropical storm force, flash flooding, and landslides. Bilis was responsible for 45 million pesos in damage and at least 14 deaths,[10] including three in Baguio City, and six more in the Manila area.[11]


[edit] Taiwan Damage was light in Taiwan, due to Bilis' quick movement across the northern coast of the island. The Republic of China government reported four deaths, two which where the deaths of fishermen from mainland China whose boat ran aground on Matsu Island. Another man was electrocuted in the city of Taipei as a result of the storm. The cause of the fourth death is unknown.[12]


[edit] People's Republic of China

TRMM image of Bilis, showing its asymmetric rainfall distributionThe storm made its second landfall in Fujian, China, and caused 43 deaths and 3 billion Chinese yuan in damage,[13] mostly from flooding. Schools and tourist attractions in the province were closed for several days.[14] Flooding killed 35 people in eastern Guangxi and 106 people in Guangdong[15]. Eight more people were killed in Yunnan when a flash flood swept away some road workers' huts.[16] A weather station in Guangdong reported a 5-hour rainfall total of 360.6 mm (14.2 inches).[17]

In Zhejiang, strong winds and heavy rain from Bilis caused 693 million yuan in damage,[18] and a wind gust to 43 m/s (155 km/h, 96 mph) was reported.[19]

Several sections of the Beijing-Guangzhou railway, a main rail route in China, were blocked by flooding and landslides, causing many delays and diversions. One train was surrounded by floodwaters in Lechang, and passengers had to be evacuated to a nearby school.[20] At least 274 trains were affected and the train company refunded nearly 2 million tickets. After three days of repair work, the rail service resumed normal operations on July 18.[21]

The most significant damage occurred in Hunan, where heavy flooding and mudslides destroyed over 31,000 homes and caused at least 345 deaths, with 89 people missing.[16] Most of the damage and fatalities occurred in the village of Zixing, where local officials reported the flooding as the worst the area had seen in the past 100 years,[16] and described the death toll as "unprecedented".[7] In all, Bilis was responsible for 672 deaths, 208 people reported missing, and $4.4 billion (2006 USD) in damage to southeastern China.[22]


[edit] Aftermath Bilis and its associated flooding left over 400,000 people homeless, and over 2 million more had to be evacuated in the face of rising waters.[23] Following the storm, the Red Cross Society of China provided food, blankets, and water purification kits to over 100,000 Hunan residents in mass evacuation shelters. The relief effort was complicated by an earthquake in Yunnan[24], as well as three more tropical cyclones: Typhoon Kaemi, Typhoon Prapiroon, and Typhoon Saomai. All of the storms were stronger than Bilis, and exacerbated flooding and other problems in the region.


Tropical Storm Bilis inland over eastern ChinaBecause of the sudden large increase in the number of reported deaths in Hunan in a matter of hours, Chinese government officials accused local officials of covering up damage and casualty details. The Ministry of Civil Affairs sent a team to Hunan to investigate the allegations, and issued a notice stating that anyone found to be covering up any damage details would be held accountable.[15]

The China Meteorological Administration released a press release after the storm and gave four reasons for the extensive damage. First, the storm decelerated after landfall and maintained its identity for 120 hours while moving south of due west. Secondly, the storm was asymmetric and rainfall concentrated in the southern semicircle. Also, the storm interacted with the active monsoon over the South China Sea, and the Hong Kong Observatory reported a 1-hour rainfall total of 115.1 mm (4.5 inches), a new record.[25] Finally, previous rainfall had made the area wetter than normal and more prone to flooding.[26]

At the 39th annual meeting of the ESCAP/WMO Typhoon Committee in Manila in December 2006, the name Bilis was retired, along with four other names. The Philippines was requested to submit a replacement name by the 40th session of the committee in 2007.[27]


[edit] See also

Tropical cyclones Portal 

Tropical cyclone List of notable tropical cyclones

[edit] References ^ List of names for tropical cyclones adopted by the Typhoon Committee for the western North Pacific Ocean and the South China Sea. RSMC Tokyo - Typhoon Center. Retrieved on May 20, 2006. ^ a b Padgett, Gary. Monthly Global Tropical Cyclone Summary, July 2006. Retrieved on 2006-10-13. ^ a b 2006 Pacific Typhoon Season Best Track Data. Japan Meteorological Agency (2007-02-04). ^ 强热带风暴登陆福建省霞浦 (Severe tropical storm lands in Fujian). China Meteorological Administration (2006-07-14). ^ a b Bengco, Regina et al.. "No classes in typhoon-threatened areas", Malaya, 2006-07-13. Retrieved on 2006-10-13. ^ Tropical Storm Bilis Turning into Typhoon as It Nears Fujian. Xinhua News Agency (2006-07-11). Retrieved on September 5, 2006. ^ a b Death toll of tropical storm Bilis hits 482 in China. Xinhua News Agency (2006-07-21). ^ Bilis hits Zhejiang. Xinhua News Agency (2006-07-15). Retrieved on September 5, 2006. ^ Shanghai cancelled flights today because of Typhoon "Bilis" (Chinese). New People's Daily (Shanghai) (2006-07-15). ^ Typhoon Bilis leaves Philippines after killing at least 14. Xinhua News Agency (2006-07-14). ^ Powerful storm kills 9 in Philippines. Associated Press (2006-07-12). ^ Tropical Storm Bilis swirls into China after battering Taiwan, Philippines. Associated Press (2006-07-16). ^ Strong storm "Bilis" has killed more than 150 people (Chinese). China News/People's Network (2006-07-17). ^ Fujian defense - emergency notification (Chinese). Quanzhou Evening News (2006-07-14). ^ a b Cover-up claims as China storm toll leaps to 530. Agence France-Presse (2006-07-22). ^ a b c Chinese storm toll climbs to 482. South African Press Association (2006-07-21). ^ Bilis brings heavy rains to Fujian, Guangdong, and other places. China Meteorological Administration (2006-07-15). ^ "Bilis" brings strong rains to Zhejiang, amounts to 693 million yuan (Chinese). Xinhua News Agency (2006-07-15). ^ "Bilis" ravages coastal Zhejiang, Provincial Party Secretary Xi Jinping deploys emergency workers (Chinese). China Meteorological Administration (2006-07-14). ^ Guangdong Yue Chang record flood, 1,496 passengers trapped (Chinese). Guangzhou Daily (2006-07-17). ^ Jing-Guang resumes normal operation after three days of repairs (Chinese). Xinhua News Agency (2006-07-18). ^ Typhoon Committee (2006-12-04). Review of the 2006 Typhoon Season. World Meteorological Organization. ^ China: Floods Emergency Appeal no. MDRCN001. International Federation of Red Cross And Red Crescent Societies (IFRC) (2006-08-02). Retrieved on September 5, 2006. ^ China: Floods DREF Bulletin No. MDRCN001. International Federation of Red Cross And Red Crescent Societies (IFRC) (2006-07-22). Retrieved on September 5, 2006. ^ Rainstorm on July 16 2006 (Chinese). Hong Kong Observatory (2006-07-16). ^ Duan Yihong. Why were the impacts of Bilis and Saomai so severe?. China Meteorological Administration. Retrieved on 2006-12-01. ^ 39th session of the ESCAP/WMO Typhoon Committee held in the Philippines (Chinese). China Meteorological Administration (2006-12-13). Retrieved on 2006-12-13. Retrieved from "http://en.wikipedia.org/wiki/Tropical_Storm_Bilis" Categories: Pacific typhoons | Retired Pacific typhoons | 2006 Pacific typhoon season | Tropical storms | Typhoons in China

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