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The Manila Observatory


Interactive Flood Map - Post Ondoy

This interactive map will show the MAXIMUM flood height during the onslaught of typhoon Ondoy. Please help us in gathering data by entering information the maximun flood height you have observed in your area. Click the image below to enter the data.

When completed, this can serve as a guide for identifying future floods in Metro Manila and can validate flood simulations.

Image link to Google Map application.

Satellite Image

The satellite images show the before and after of the affected areas caused by typhoon Ondoy.

Affected areas, before. Affected areas, after.

Source: accessed 29 Sep 2009.

Typhoon Ondoy - Animation

The animation below shows the accumulated rainfall of the typhoon "Ondoy" from the NASA/GIOVANNI system.

Rainfall Animation

Source: Japan Aerospace Exploration Agency (JAXA) for data from TRMM, and the NASA Goddard Earth Sciences Data and Information Services Center for TRMM data visualization created by the Giovanni system

Manila Observatory featured in NASA news link

In December 15, 2009, The Manila Observatory was featured in a NASA news link highlighting its work on utilizing the NASA/GIOVANNI system to show the progression of accumulated rainfall during typhoon Ondoy (Tropical Storm Ketsana).

The GIOVANNI system is a web based data analysis and visualization tool that creates time series plots, latitude/longitude graphics, and atmospheric depth plots.