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Tropical Depression 05W Passing by Philippines, Expected to Make Landfall Near Hong Kong

19.9N 120.9E

July 11th, 2009 Category: Tropical Storms

Tropical Depression 05W - July 10th, 2009 © Univ. of Wisconsin

Tropical Depression 05W - July 10th, 2009

TD 05W - July 9th, 2009 © JTWC

TD 05W

Tropical Depression 05W, located approximately 370 nautical miles east-southeast of Hong Kong, has tracked west-northwestward at 10 knots over the past six hours.

The system continues to track to the west on the southern periphery of an extension of the subtropical ridge.  Maximum significant wave height is 11 feet.

TD 05W is expected to pass along the northern coast of Ilocos Norte, Philippines, this afternoon and shall be over the South China Sea tonight as it becomes a Tropical Storm.

The 2 to 3-day Medium Range Forecast shows 05W turning west-northwest and making landfall just west of Hong Kong early Monday morning, July 13, as a dissipating tropical cyclone.

At this time, 05W’s rain bands are spreading across Northern Luzon. Moderate to heavy rains with winds and squalls, as well as thunderstorms, can be expected. One-day rainfall accumulations of 100 up to 200 mm are predicted along the storm’s rain bands.

People living around the slopes of Mayon Volcano in Albay and Bulusan Volcano in Sorsogon, Philippines, especially along the areas of possible mudslides or Lahar mudflows (mixtures of volcanic mud and water), must stay alert as moderate to heavy rains associated with this system are likely to affect the area today. Residents in low-lying areas and steep slopes must remain alert and seek evacuation for possible life-threatening flash floods, mudslides and landslides due to the anticipated heavy rains brought about by this system.

Wester Luzon, Palawan, and parts of Mindoro, metropolitan Manila and western Visayas should expect occasional rains and some passing thunderstorms with squalls, plus light to moderate southwesterly winds not exceeding 35 kph. Possible landslides, mudslides, mudflows (Lahars) and life-threatening flash floods are likely to occur along steep mountain/volcanic slopes, river banks, low-lying and flood-prone areas.

Mountains and Valleys of Luzon, Philippines

March 26th, 2009 Category: Snapshots

Philippines - March 22nd, 2009

Philippines - March 22nd, 2009

Luzon is the largest and most economically and politically important island in the Philippines and one of the three island groups in the country. As an island group, it includes the island of Luzon itself, plus the Batanes and Babuyan groups of islands to the north, and the main and outlying islands of Catanduanes, Marinduque, Masbate, Romblon, and Mindoro in the south.

Luzon’s area is 104,688 square kilometers, making it the world’s 15th largest island. It is the fifth most populous island in the world. Located on Luzon are the country’s capital, Manila, and its most populous city, Quezon City.

To the west of Luzon island is the South China Sea (Luzon Sea in Philippine territorial waters), to the east is the Philippine Sea, and to the north is Luzon Strait containing Babuyan Channel and Balintang Channel.

The main part of the island is roughly rectangular in shape and has the long Bicol Peninsula protruding to the southeast. The northern part of the island contains the largest mountain range in the country, the Cordillera Central, where Mount Pulag, the second highest mountain in the country at 2,922 meters, is located.

To the east of the Cordillera Central is the large Cagayan Valley. To the east of the valley rises the Sierra Madre mountain range, easily the longest range in the country, which snakes southwards into the central and southern part of the island. Between it and the Zambales Mountains to the west is the largest plain, the Central Luzon plain. This plain, approximately 11,000 km² in size, is the country’s largest producer of rice.

The largest lake in the country, and also the largest inland lake in Southeast Asia, the Laguna de Bay (Old Spanish, Lake of Bay town). Its size and green waters make it easily identifiable towards the southern part of the island.