Gale Warning
As of today, there is no Gale Warning Issued.




Weather Advisory
Issued at: 11:00 AM 22 September 2017
Weather Advisory in PDF file



Dams Water Level Update
As of 6AM, 23 September 2017

General Flood Advisories - Regional
As of  7AM, 23 September 2017 



Daily Basin Hydrological Forecast
Issued 22 September 2017




Monthly Climate Assessment and Outlook

Issued: 03 September 2017

Monthly Rainfall Forecast
RAINFALL FORECAST  (October 2017 - March 2018) 
UPDATED: 20 September 2017 (next update October 2017)


Regional Rainfall Forecast
Issued: 20 September 2017
Valid for: October 2017 - March 2018
Farm Weather Forecast and Advisories
ISSUED              : 8AM,FRIDAY, SEPTEMBER 22, 2017
VALID UNTIL      :  8AM, SATURDAY, SEPTEMBER 23, 2017
FWFA:  N0. 17-266

Ten-Day Regional Agri-Weather Information
DEKAD NO. 27 SEPTEMBER 21-30, 2017

PHILIPPINE AGRI-WEATHER FORECAST
The weather systems that will affect the whole country are southwest monsoon, intertropical convergence zone (ITCZ) and low pressure area (LPA).

Seasonal Climate Outlook
Issued:  06 July 2017
FOR July - December 2017
PDF 




Astronomical Diary
Issue for September 2017
Autumnal equinox will occur on September 23 at 4:02 a.m...




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Rainfall Forecast  (October 2017 -  March 2018)
updated: 20 September 2017

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October 2017

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November 2017

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December 2017

MRF (3).JPG

January 2018

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February 2018

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March 2018

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Forecast Rainfall Analysis

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Probabilistic Rainfall Forecast


PROBABILISTIC RAINFALL FORECAST


Forecasting rainfall or temperature in probabilistic terms is a way of expressing uncertainty in the future weather/climate. When numerical probability values are assigned to the forecast, it is a way of indicating the amount of uncertainty in the forecast. Rather than say "below normal this July", we can say "30% chance to be below normal this July" when we think less rain is not so likely; or we can say "70% chance to be above normal this July " when we think great amount of rain is likely. Assigning a numerical value – a probability – to the occurrence of rainfall event allows us to quantify the uncertainty.


A probability forecast estimates the likelihood of occurrence of a specific event, which must be fully defined for the forecast to be verifiable. Events are defined by a time period and a specific location.


Probabilities are usually stated either as a percentage, which may range from 0 ("The event will definitely not occur") to 100 ("The event will definitely occur"). Values between 0 and 100 represent the different degrees of uncertainty.



Monthly Probabilistic  Rainfall Forecast: 
updated: 20 September 2017

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    October 2017                  November 2017                   December 2017
 
    January 2018                  February 2018                     March 2018

MDSI v2

PUBLIC WARNING 


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

Weather Division is now  ISO 9001:2008 Certified
Proof has been furnished by means of an audit that the requirements of ISO 9001:2008 are met.

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