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Report No. 3 on Tropical Storm Sendong

By Manila Observatory

A report on Tropical Storm Sendong, including a time line of events, figures on rainfall, and an integration of various hazards.

Preliminary analysis on extreme weather event Tropical Storm Sendong (Slides)

By G. Narisma, C. Vicente, F. Cruz, T. Loyzaga, G. Lorenzo, J. Dado, R. Dayawon, and E. Gozo

Slides to accompany the brief report on Tropical Storm Sendong, as written and summarized by the RCS and GED programs of the Manila Observatory. These slides are meant to provide a deeper understanding of the nature of the storm, with references to historical data on storm crossings in Mindanao.

You may also download the accompanying report here

Preliminary analysis on extreme weather event Tropical Storm Sendong

By G. Narisma, C. Vicente, F. Cruz, T. Loyzaga, G. Lorenzo, J. Dado, R. Dayawon, and E. Gozo

A brief report on tropical storm Sendong by the RCS and GED programs of the Manila Observatory. The storm's track, wind, and rainfall are compared with data on previous storms in Mindanao.

You may also download the accompanying slides here.

Effect of Prevailing Winds on Pollution Patterns in Lingayen

By M. A. Estoque and R. T. F. Balmori

The dependence of pollution patterns in the coastal waters of Lingayen Gulf on the prevailing winds is studied with the aid of a theoretical model. The model equations consist of the well-known vertically integrated hydro-dynamical equations and a mass transport-dispersion equation. The model equations are numerically integrated in order to simulate the pollution patterns corresponding to different prevailing winds. The source of pollution is assumed to be a marine outfall near Dagupan City. The simulations indicate that the highest concentrations along the shorelines of the city occur surprisingly when the prevailing wind blows from south to north (away from the city). Conversely, the lowest concentrations occur when the winds blow toward the south. The simulations show the high sensitivity of the pollution patterns to the prevailing wind direction. Therefore, the determination of the optimum location of a marine outfall should consider the wind as an important factor.