Gale Warning
Issued at: 05:00 AM TODAY , 01 February 2023
Gale Warning # 130

Gale Warning in PDF file

Weather Advisory
Issued at: 11:00 AM 2023 January 31
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.


Stars and Constellations

The Square of Pegasus ( an asterism of the constellation of Andromeda, the Chained Maiden which is made up of four stars of nearly equal brightness namely: Scheat, Alpheratz, Markab and Algenib) takes center stage in the Philippine night sky after sunset, which is a sign of the arrival of the northern fall. Northeast of it lies the Andromeda Galaxy (M31), the closest large spiral galaxy to the Milky Way Galaxy as shown in Figures 1 & 1a. Under clear skies and with the aid of a star map and familiarity with the surrounding background stars, it can be seen as an elongated misty patch with the naked eye and can be easily viewed through binoculars and telescopes. The splendid W formation of stars known as the constellation of Cassiopeia, the wife of King Cepheus and the mother of Andromeda in the Greek mythology, lies to the left, while the constellation of Pisces, the Fish can be found at the lower right of of Pegasus.

The famous equilateral triangle in the sky, known as the Winter Triangle rises after midnight. The Triangle formed by the stars is composed of Betelgeuse, the super giant red star and the prominent star of the famous constellation Orion, (the Mighty Hunter), Sirius, the brightest star in the sky of the constellation Canis Major (the Big Dog), and Procyon, the brightest star of the constellation Canis Minor (the Little Dog).

Fig1Figure 1
(click to view image)
Fig1aFigure 1a
(click to view image)

Meteor Shower

The October Orionids meteor shower will be active from 17-25 October 2018. At maximum rates, the shower may reach 15 meteors per hour that may be observed at favorable sky condition, but sometimes there are lulls even during the traditional maximum peak nights of 21-22 October 2018. The Earth is passing through the stream of debris left behind by Comet Halley, the parent comet of the Orionid shower. The radiant of the shower will be observed north of Betelgeuse as shown in Figures 2 & 2a.

Fig2Figure 2
(click to view image)
Fig2aFigure 2a
(click to view image)

Planets Whereabouts
On 01 October at 6:00 PM, Venus and Jupiter, will be seen dazzling brightly at magnitude -4.80 and -1.80 and will be located at about 16 and 30 degrees high in the west southwestern horizon, respectively. Venus will lie among the background stars of the constellation Virgo, the Virgin, while Jupiter, the largest planet in the solar system, will be positioned among the stars of the constellation, Libra, the Scale.

Planets Mars and Saturn can be observed at altitudes of about 44° and 52° in the south southeastern horizon and can be found among the background stars of the constellation Capricornus, the Sea-Goat and Sagittarius, the Archer shining at magnitudes -1.30 and +0.50, respectively. The Saturn system holds more than 60 satellites or moons, of which seven (7) glow brightly enough to show through moderate-aperture telescopes. Saturn’s Titan, the largest and brightest satellite, which shines at magnitude +8.4 can be easily seen through any optical instrument. It orbits Saturn once every 16 days.

On the same date at 8:00 P.M., Neptune will be located 50 degrees above the southeastern horizon among the background stars of the constellation Aquarius, the Water-Bearer with a magnitude of +7.80. Meanwhile, its fellow gas giant, Uranus, will be seen standing at about 15° in the east northeastern horizon glowing feebly at magnitude +5.70. It will lie among the background stars of the constellation Aries, the Ram. Observing Neptune and Uranus will require a binocular or a telescope and a starmap under dark and clear sky condition.

Mercury, the nearest planet to the Sun will be out for observation during the month due to its proximity to the Sun.

Figure 3 shows how to compare apparent magnitudes of celestial bodies such as planets and stars.

Fig3Figure 3
(click to view image)


6  Moon at perigee (nearest distance to Earth = 366,395 km) 6:00 AM
7  Ceres in conjunction with the Sun 6:00 PM
10  Venus 13° South of Moon  6:00 PM
12  Jupiter 4° South of Moon  6:00 PM
14  Mercury 7° North of Venus 6:00 PM
17  Juno stationary 2:00 AM
18  Moon at apogee (farthest distance to Earth = 404,225 km) 3:00 AM
18  Mars 1.9° South of Moon  6:00 PM
21  Neptune 3° North of Moon  7:00 PM
24  Uranus 5° North of Moon  7:00 PM
26  Venus in inferior conjunction 10:00 PM

Chief, RDTD

25 September 2018
For more information, call:

Chief, Space Sciences and Astronomy Section (SSAS), (RDTD)
Tel/Fax Nos. 434-27-15


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.

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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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