Philippine Atmospheric, Geophysical and Astronomical Services Administration(PAGASA)

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Date: Dec. 4, 2019, 11:55 a.m.

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Date: 2019-12-04 17:39:48.000000

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Date: 2019-12-05 09:37:19.000000

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Flood Control Infrastructures and Return Period Rainfall

Published by Philippine Atmospheric, Geophysical and Astronomical Services Administration(PAGASA) on Dec. 4, 2019.
Requested from PAGASA by J. Litam at 11:55 AM on Dec. 4, 2019.
Purpose: Thesis
Date of Coverage: 12/04/2019 - 12/04/2019
Tracking no: #PAGASA-497258142467

J.LITAM Dec. 4, 2019, 11:55 a.m.

Hi! I would like to request the following data for the cities of Valenzuela and Pasig city: 1.) Return Period for Rainfall for 25 to 50 years (whatever data available) 2.) Run-off Ratio (if familiar) with major river systems nearby Pasig and Valenzuela 3.) Annual Rainfall Intensity (for the last 10 years) Some additional data we're not sure you might have: 1.) Evapotranspiration and Percolation of Major River Systems Nearby Pasig and Valenzuela (just a percentage based on current land cover - or computation guide) 2.) Computed Discharge Capacity required for Catchment Areas

F.OFFICER Dec. 4, 2019, 5:39 p.m.

December 4, 2019 Dear Joseph, Thank you for your request dated Dec 04, 2019 under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for Flood Control Infrastructures and Return Period Rainfall. We received your request on Dec 04, 2019 and will respond on or before Dec 25, 2019 11:55:57 AM, in accordance with the Executive Order's implementing rules and regulations. Should you have any questions regarding your request, kindly contact me using the reply function on the eFOI portal at https://efoi-ph.appspot.com/requests/aglzfmVmb2ktcGhyIAsSB0NvbnRlbnQiE1BBR0FTQS00OTcyNTgxNDI0NjcM, for request with ticket number #PAGASA-497258142467. Thank you. Respectfully, FOI Receiving Officer FOI Officer

C.FOI DECISION MAKER Dec. 5, 2019, 9:37 a.m.

December 5, 2019 Dear Joseph Litam, Greetings! Thank you for your request dated Dec 04, 2019 11:55:57 AM under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch. Your Request You asked for Flood Control Infrastructures and Return Period Rainfall. Response to Request Please contact our Hydrometeorological Division at 926-5060 or send an email to [email protected] or [email protected] regarding your request. Thank you. Respectfully, FOI Decision Maker FOI Receiving Officer

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