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Philippines: Habagat Floods (Southwest Monsoon) DREF Final Report (MDRPH028)

Countries
Philippines
Sources
IFRC
Publication date
Origin
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Description of the disaster

17 July 2018: Tropical Storm Son-tinh (locally known as Henry) made landfall in Cagayan, northeast Philippines, enhancing the Southwest Monsoon (locally known as Habagat) affecting the country.

19 July: Severe Tropical Storm Ampil (locally known as Inday) enters Philippines Area of Responsibility (PAR) while it did not make landfall it further enhanced Southwest Monsoon.

21 July: Tropical Depression Josie, which formed inside the PAR and made landfall over north west of the Philippines further enhanced the south west monsoon, bringing more rain to already inundated areas. Flood and landslides were reported, while more than one million people are affected across 21 provinces and seven regions. 29 July: DREF launched for CHF 287,870.

7 August: Tropical Depression Yagi (locally known as Karding), formed inside the PAR while it did not make landfall makes landfall over the east of the Philippines, it further enhances causing more rain as it further enhanced the Southwest Monsoon.

11 August: Metro Manila and Rizal provinces were put under the highest weather warning alert experiencing periods of intense rainfall. Rivers and some dams exceeded their alert level, significant floods occurred in Metro Manila, Rizal and other Luzon Provinces. The Government requested evacuations of the most at risk areas to flooding and evacuation centers were established.

17 August: DREF increased to CHF 417,320.

From 17 July to 7 August, four weather systems (Tropical Storms Son-tinh and Ampil, Tropical Depressions Josie and Yagi) entered the PAR and enhanced the Southwest Monsoon (known locally as Hagabat). This sequence of weather system brought significant and prolonged rainfall that resulted in widespread flooding in the Cordillera Administrative Region (CAR), National Capital Region (NCR), CALABARZON, Western Visayas, Ilocos region, Cagayan Valley and Northern Palawan.