Typhoon Chan-hom (2009)
Typhoon Chan - hom ( International designation: 0902, JTWC designation: 02W, PAGASA name: Emong ) was the second tropical cyclone of the Pacific typhoon season 2009 Chan - hom developed from an area of convective clouds and a weather disturbance southeast of Nha Trang. Vietnam. It was combined on 2 May with the remnants of a tropical low pressure area Crising. The system moved to the northeast and it slowly developed into a tropical depression. The next day the low pressure area was classified into a tropical storm, and the Regional Specialized Meteorological Centre in Tokyo, awarded the name Chan - hom. This name was proposed by Laos and names a tree. On May 6, the storm intensified into a typhoon equivalent to category 1 of the Saffir -Simpson Hurricane Scale and 2 After Chan - hom was pulled over the northern Luzon away a day later to the category, the typhoon weakened to a severe tropical storm off. The storm then moved out into the open Pacific Ocean east of the Philippines, where he continuously lost its force and disbanded on May 10.
- 3.1 Vietnam
- 3.2 Philippines
- 3.3 Malaysia
Storm History
The system, which became the Typhoon Chan - hom, had its origin as a weak tropical disturbance southeast of Nha Trang, Vietnam in the South China Sea. Early the next morning reported the Joint Typhoon Warning Center ( JTWC ) that the near-surface circulation in the center was partially exempted and has long drawn. The deep convection was located north of the center and began to refer to both the western as well as to lay the eastern part of the system. At this time, the circulation was located in an area of low vertical wind shear, while an anticyclone in height was located east of the ground-level circulation center. During the day, the Japan Meteorological Agency ( JMA ) reported that the fault has developed in the western North Pacific for the fourth tropical depression of the year. At the end of the day the JTWC Tropical Cyclone Formation Alert a ( TCFA ) were made to the system, which now had a well-defined, ground-level circulation center. This had pushed under the further expanding and is now better organized convection zone.
On the afternoon of May 3, the JMA reported that the depression intensified into a tropical storm and the storm had the name Chan - hom too. At the same time, the JTWC classified the system as Tropical Depression 02W. The JTWC reported that the depression formed in the monsoon trough and developed slowly, and it was nearly stationary since the announcement of the TCFA. It was now under the influence of moderate vertical wind shear and a ground-level high -pressure ridge south-east of the system. The JTWC reported six hours later than the JMA to intensify into a tropical storm. This is therefore unusual in that the joint typhoon warning center performs the classification on the basis of one minute continuous wind velocities, in contrast to the Japan Meteorological Agency, which determines the continuous wind velocities at an interval of ten minutes. Therefore, the announced from Pearl Harbor Wind strengths are regularly above those of RMSCs in Tokyo.
The system moved eastward and then intensified after a break on May 6, to a typhoon. Equivalent to Category 2 on the Saffir -Simpson Hurricane Scale, which however is not officially used in the western Pacific Ocean, crossed the typhoon in the province of Pangasinan, the coastline in the north of Luzon and was downgraded to a tropical storm over land.
Chan - hom - which is known in the Philippines as Emong, pulled directly from the provinces of Pangasinan, La Union, Ilocos Sur, Benguet, Nueva Vizcaya, Ifugao, Mountain Province, the, Kalinga and Isabela time.
The storm came east of the Philippines still over the water of the open Pacific Ocean, but faced with an area faced with moderate wind shear, so that it weakened to a tropical depression. Both the JTWC and the JMA reported on May 9 of their last warnings to the system.
Preparations
Vietnam
When Chan - hom was formed in the South China Sea, the Vietnamese authorities warned the shipping and advised to avoid the areas in the vicinity of the storm. Fourteen provinces on the coast of the state were warned of high waves. The quays were forbidden to go to sea as a wave height of up to seven meters was expected.
Philippines
PAGASA warned residents in low -lying coastal areas and those who lived on the mountain slopes before the storm, who received the local name Emong. The population of the affected areas was requested to take appropriate countermeasures with respect to storm surge, flash floods and landslides. The Philippine President Gloria Macapagal- Arroyo ordered the national Katastrophenkoordinierungsrat, to provide the public every hour with the latest information about the arrival of the typhoon. PAGASA placed the warning number 2 and 3 This warning levels were for the greater part of northern and central Luzon, PAGASA where the expected landfall Emong on May 7. Signal number 2 warns of wind speeds 61-100 km / h and signal number 3 is triggered where wind speeds of 100 to 185 km / h are expected.
All storm warnings for the Philippines were lifted after the passage of the typhoon on May 8 at 10:30 clock local time ( 02:30 UTC ).
Effects
Vietnam
From Vietnam no damage to buildings by Chan - hom were reported.
Philippines
In the Philippines, the typhoon for large parts of Luzon between the 6th and 8th brought a 48-hour continuous rain with it, which reached its climax on May 7. Wind speeds 85-140 km / h and heavy rain with a rainfall of over 200 mm within 24 hours resulted in the provinces of Abra, Quirino, Cagayan, Apayao, Ilocos Norte, Aurora devastation. In Zambales more than 135 mm of precipitation fell, even over Pampanga, Nueva Ecija, Tarlac, Bulacan, Bataan, Metro Manila and parts of the south of the island, the rain was very strong. Moderate rainfall were recorded in Quezon province and the Bicol region. The Cagayan burst its banks.
For the West, the province of Pangasinan state of emergency was declared. In this province Emong killed at least 16 people. These were drowned, died under the rubble of their collapsing houses or were hit by flying debris. In the town of Anda Typhoon covered 90% of roofs, mango trees have been uprooted and fish cultures were washed into the sea. In the province of Ifugao least ten people were killed by landslides. Bridges between Lamut and Bagabag collapsed. In the province of Isabela, drowned in San Mateo " all workhorses ", as the current flowing through the village river burst its banks.
The center of the storm swept well over 150 km / h across Bolinao and devastated the city and the surrounding villages. A lot of the very poor rural population lost belongings. Many of the big mango and Saraguelas - trees were bent and banana trees.
Preliminary reports from the National Disaster Coordinating Council by noon on 9 May (local time) estimated the damage to agriculture, infrastructure and private assets to 380 million Philippine pesos. A total of 64 347 persons were directly affected by the effects of the typhoon in the Philippines, according to official counts at this time, 2879 homes were completely destroyed in the province of Pangasinan and 4640 damaged. Up to this time eleven landslides were recorded in the provinces of Zambales and Ifugao.
Malaysia
On an island off the coast of the state of Malaysia, a man was killed by a falling tree. The tree was felled by a lightning strike. The man was at this point, because he was working as a night watchman of a production company that produced a reality show called Expedition Robinson on the island.