Effects of Typhoon Ketsana in the Philippines
Encyclopedia
By the time Typhoon Ketsana (International designation: 0916, JTWC
Joint Typhoon Warning Center
The Joint Typhoon Warning Center is a joint United States Navy – United States Air Force task force located at the Naval Maritime Forecast Center in Pearl Harbor, Hawaii...

 designation: 17W, PAGASA
Philippine Atmospheric, Geophysical and Astronomical Services Administration
The Philippine Atmospheric, Geophysical and Astronomical Services Administration is a Philippine national institution dedicated to provide flood and typhoon warnings, public weather forecasts and advisories, meteorological, astronomical, climatological, and other specialized information and...

 name: Ondoy) made landfall on the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

, the metropolitan area of Manila
Metro Manila
Metropolitan Manila , the National Capital Region , or simply Metro Manila, is the metropolitan region encompassing the City of Manila and its surrounding areas in the Philippines...

 along with twenty-five provinces
Provinces of the Philippines
The Provinces of the Philippines are the primary political and administrative divisions of the Philippines. There are 80 provinces at present, further subdivided into component cities and municipalities. The National Capital Region, as well as independent cities, are autonomous from any provincial...

 experienced the worst flooding throughout the centuries. Almost 80% of the city was submerged. Major roads and thoroughfares in Manila were impassable because of huge flood currents and clogged cars and air flights were cancelled because of the heavy rains which lasted for a continuous six hours.

Preparations

Typhoon Ketsana was spotted by PAGASA
Philippine Atmospheric, Geophysical and Astronomical Services Administration
The Philippine Atmospheric, Geophysical and Astronomical Services Administration is a Philippine national institution dedicated to provide flood and typhoon warnings, public weather forecasts and advisories, meteorological, astronomical, climatological, and other specialized information and...

 on September 24, 2009 which was estimated to be 330 km northeast of Virac
Virac, Catanduanes
Virac is a 1st class municipality in the province of Catanduanes, Philippines. It is the capital municipality of the province and the third largest town with a land area of 188 km2...

, Catanduanes
Catanduanes
Catanduanes is an island province of the Philippines located in the Bicol Region in Luzon. Its capital is Virac and the province lies to the east of Camarines Sur across Maqueda Channel. As of 2007, the population of the province is 232,757 people.-Etymology:"Isla de Cobos" was Catanduanes' first...

 with a maintaining speed of 55 km/h at its center.
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