Gale Warning
Issued at: 05:00 AM TODAY , 04 August 2020
Gale Warning # 11 (Final)
For: moderate to strong winds associated with the southwest monsoon

Gale Warning in PDF file

Weather Advisory
Issued at: 11:00 AM 2020 August 07
Weather Advisory in PDF file

General Flood Advisories - Regional
 General Flood Advisory issued as of 7 PM, 20 August 2018


Monthly Climate Assessment and Outlook (July-August 2018)

Issued: 06 August 2018

Monthly Rainfall Forecast
RAINFALL FORECAST  (September 2018 - February 2019) 
UPDATED: 29 August 2018 (next update September 26, 2018)

Regional Rainfall Forecast
Issued: 29 August 2018
Valid for: September 2018 - February 2019
Farm Weather Forecast and Advisories
ISSUED: 8 AM,  FRIDAY,  MAY 24, 2019
, 2019
FWFA:  N0. 19-144

Ten-Day Regional Agri-Weather Information
DEKAD NO. 15   MAY 21 - 31, 2019
The weather systems that will affect the whole country are the frontal system, easterlies, ridge of high pressure area, intertropical convergence zone (ITCZ) and low pressure area (LPA).

Seasonal Climate Outlook
Issued:  13 July 2018
FOR July - December 2018

Astronomical Diary
Issue for October 2018
The October Orionids meteor shower will be active from October 17-25, 2017.

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P.R. No. 2017-09-0774 / IPP# 17-0944             
Reference No.: IB 2017-045_INF
Rehabilitation of Tanay Upper Air, etc.                                                                                                 
Date: 12 October 2017

Invitation to Bid (IB)
for the
Rehabilitation/Improvement of Upper Air, Synoptic Station Building, Power House and Water System at Sitio Mayagay, Barangay Sampaloc, Tanay Rizal

1.       The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), through the Regular Fund 101 intends to apply the sum of Four Million Three Hundred Forty Seven Thousand Thirty Nine Pesos and 38/100 (Php4,347,039.38) being the Approved Budget for the Contract (ABC) for payment under the contract for Rehabilitation/Improvement of Upper Air, Synoptic Sttion Building, Power Hourse and Water System at Sitio Mayagay, Barangay Sampaloc, Tanay Rizal”. Bids received in excess of the ABC shall be automatically rejected at bid opening.

2.       The PAGASA now invites bids for the Rehabilitation/Improvement of Upper Air, Synoptic Sttion Building, Power Hourse and Water System at Sitio Mayagay, Barangay Sampaloc, Tanay Rizalas per Project specifications indicated in the Detailed Scope of Works and the Bill of Quantities. Project Completion is within one hundred forty five (145) calendar days. Price is inclusive of VAT and all other applicable taxes. Price Validity is within one hundred twenty (120) calendar days.

3.       Bidders should have completed, within five (5) years from the date of submission and receipt of bids, a contract similar to the Project. The description of an eligible bidder is contained in the Bidding Documents, particularly, in Section 2. Instructions to Bidders and Checklist of Eligibility Requirements.

4.       Bidding will be conducted through open competitive bidding procedures using non-discretionary “pass/fail” criterion as specified in the 2016 Revised Implementing Rules and Regulations (IRR) of Republic Act  9184 (RA 9184), otherwise known as the “Government Procurement Reform Act”.

5.       Bidding is restricted to Filipino citizens/sole proprietorships. For partnerships and corporation with at least seventy five percent (75%) of the interest or of the outstanding capital stock belonging to citizens of the Philippines and for cooperatives duly organized under the laws of the Philippines.

6.       Interested bidders may obtain further information from PAGASA BAC Secretariat and inspect the Bidding Documents at the 3rd Floor, Accounting Section, PAGASA Main Building, Science Garden Complex, BIR road, Diliman, Quezon City, from 9:00 a.m. to 4:00 p.m. It may also be downloaded at the PhilGEPS Website free of charge.

7.       A complete set of Bidding Documents may be purchased by interested Bidders from the above –stated address and upon payment of a nonrefundable fee for the Bidding Documents in the amount of Five Thousand Pesos (Php5,000.00) only.

8.       Request for clarification/s and/or interpretation of any part of the Bidding Documents must be in writing and addressed to the BAC Chairperson of the Procuring Entity from 02-13 November 2017. The PAGASA BAC assumed that the bidders had already reviewed all parts of the bidding documents prior to the Pre-Bid Conference. 

9.       Bids must be delivered to the address below not later than 22 November 2017 on or before 11:00 a.m. late bids shall not be accepted. Bid opening shall immediately follow and will be opened in the presence of the Bidder’s representatives who choose to attend.  All Bids must be accompanied by a bid security in any of the acceptable forms and in the amount stated in ITB Clause 18.

10.   Source of Fund and Schedule of Payment: Since the source of fund for the above-titled project is charged against PAGASA’s Maintenance & Other Operating Expenses (MOOE), there will be NO provision of the 15% Advance Payment or mobilization as provided in Section 4, Annex “D” of the Revised IRR of R.A. 9184. Full payment of the contract price shall be made only upon final completion and acceptance by the PAGASA or its authorized representative.

11.   The Complete Schedule of Bidding Activities is summarized as follows:




1. Posting of Invitation to Bid

02 November 2017 – 09 November 2017
2. Issuance of Bidding Documents

02 November  2017 – 21  November  2017 /  from 9:00 a.m. to 4:00 p.m.

Procurement Unit, 3/F PAGASA Central Office

3. Pre-bid Conference

10 November 2017 / 11:00 a.m.

*Amihan Conference Room. 2/F PAGASA Central Office

4. Submission of Envelopes 1 & 2

22 November 2017 / on or before 11:00 a.m.

*Amihan Conference Room. 2/F PAGASA Central Office

5. Opening of Envelopes 1 & 2

22 November 2017 / 11:01 a.m.

*Amihan Conference Room. 2/F PAGASA Central Office

            *  -  subject to change

12.   The bidders shall submit three (3) copies of their duly accomplished eligibility requirement, technical and financial proposals in two (2) separate envelopes, duly marked and sealed following the instructions under Item 20 of the BDS.

13.   All prospective bidders shall be allowed to participate in the pre-bid conference. Bidder’s duly authorized representatives must show proof of their authority to participate in the pre-bid conference, such as, duly signed authorization, notarized secretary’s certificate or special power of attorney. Only two (2) representatives per bidder shall be allowed during the pre-bid conference.

14.   The Bidder shall complete the appropriate Price Schedules in the Bill of Quantities and Detailed Cost Breakdown to be provided to the bidders as part of the Bidding Documents, stating the unit prices, total price per item, other inclusive charges such as, labor costs, applicable taxes, and indirect costs and the total amount of proposal for the Project.


15.   The PAGASA reserves the right to: (a) reject any and all bids at any time prior to the award of the contract; (b) waive any minor formal requirements in the bid documents; (c) accept such bids it may consider to be advantageous and beneficial to the government; (4) declare a failure of bidding; (5) not award the contract; and (6) make no assurance that a contract shall be entered into as a result of this invitation, without thereby incurring any liability to the affected bidder or bidders.

For further information, please refer to:  
Head, BAC Secretariat
Accounting Section, 3/F PAGASA CO
Telefax No.: 434-2658
This email address is being protected from spambots. You need JavaScript enabled to view it.,


Bids and Awards Committee


It has come to the attention of the Office of the Administrator of PAGASA that a certain person has been using the name of Dr. Vicente B. Malano to solicit money from the contractors of PAGASA.

Dr. Malano wishes to inform the public that he has not authorized anyone to solicit money on his behalf and to warn everyone against dealing with unscrupulous activities of certain individuals.

payong pagasa on android The latest version of the official PAGASA app can now be downloaded on Google play store

List of Trainees for the Meteorological Technicians Training Course (MTTC) 2019

The following have been accepted to undergo the Meteorological Technicians Training Course (MTTC), scheduled on 06 May – 14 October 2019

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Weather Division is now  ISO 9001:2015 Certified

Proof has been furnished by means of an audit that the requirements of ISO 9001:2015 are met.

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14 June 2019

The occurrence of scattered to at times widespread rainfall associated with the Southwest Monsoon during the past few days as observed by most PAGASA stations...

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