Gale Warning
Issued at: 05:00 AM TODAY , 11 November 2017
Gale Warning # 3 (Final)
For: Strong to Gale force winds associated with TROPICAL STORM "salome" (HAIKUI)

Gale Warning in PDF file





Dams Water Level Update
As of 6 AM, 26 SEPTEMBER 2017

General Flood Advisories - Regional
Issued as of 7AM 07 August 2017


Daily Basin Hydrological Forecast
Issued 21 FEBRUARY 2017




Monthly Climate Assessment and Outlook

Issued: 05 June 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, THURSDAY, SEPTEMBER 7, 2017
VALID UNTIL      :  8AM, FRIDAY, SEPTEMBER 8, 2017
FWFA:  N0. 17-251

Ten-Day Regional Agri-Weather Information
DEKAD NO. 25 SEPTEMBER 1-10, 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
Issued for November 2017
On November 13 at 5:00 AM, Venus and Jupiter will be located low in the eastern horizon among...




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Engineering and Technical Services

ETSD

Automatic Weather Station (AWS)

               
 IMG 1435    IMG 1551

These automated stations have built in weather instruments with electronic sensors for measuring surface level air temperature pressure, solar radiation, rainfall, wind velocity and other weather parameters. The stations have integrated data banks for storage of recorder data for later retrieval. (please click here for location)

Automatic Rain Gauges


GEDC0282      GEDC0264
Automatic Rain Gauges is intended catch rainfall through a tipping bucket mechanism which gauge and registered water content and automatically sends the data to PAGASA’s database via wireless network. (please click for location)

 

 Automatic Aviation Weather Observation System (AWOS)

awos fnl2    awos fnl
The AWOS helps pilots and aviation personnel make critical decisions by providing continuous, real time information and reports on airport weather conditions.

     

Radio Detection and Ranging (RADAR)

  IMG 01171     IMG 01421

A weather surveillance radar (WSR) is useful in locating precipitation and estimate its intensity and in determining the center of tropical cyclones. In addition to this capability, state- of- the-art Doppler radars are capable of estimating radial velocity which can be used to determine the wind strength of tropical cyclones as well as to analyse its structure.

Upper air observations 

  upper-air1      upper-air31  

Upper air observations are essential inputs in numerical weather prediction models since they provide a vertical profile of the atmosphere. Direct in-site measurements of air temperature, humidity and pressure with height are measured with balloon-borne instrument platform with radio transmitting capabilities called radiosonde, typically to altitudes of approximately 30 km. These data are crucial in the forecast for severe weather and for aviation route forecasts. The upper-air measurements are transmitted to a ground receiving station.