Disaster Information Service - Philippines

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Disaster Information Service - Philippines Philippine Information Agency's (PIA) official Facebook account on Disaster Preparedness & Resiliency Bernard, Leyte and flood-ravaged areas in Central Luzon.
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Situated along Asia’s Typhoon Belt and the Pacific Ring of Fire, the Philippines is frequented by typhoons, massive flooding, volcanic eruptions and earthquakes. To boost disaster preparedness and response, the PIA put up this Weather Watch page on Facebook as a platform for early warning and response during natural disasters. Using situation reports from PIA’s information officers nationwide and reports sourced from media outlets, Weather Watch provides timely and accurate information that enable disaster response agencies to quickly respond to disaster situations. Weather Watch was recognized by various organizations here and abroad, including the United Nations, as a comprehensive reference on Philippine weather updates, early warning information, flooding situation, road conditions, and even school and work suspensions related to bad weather. Weather Watch has received over 17 million hits as of November 2011 and has saved lives and properties, such as in landslide-hit St.

Hydrological Forecast for River Basin Issued at 8:30 AM, 21 October 2026* Pampanga River Basin* Agno River Basin* Ca...
21/10/2026

Hydrological Forecast for River Basin
Issued at 8:30 AM, 21 October 2026

* Pampanga River Basin
* Agno River Basin
* Cagayan River Basin
* Bicol River Basin

TROPICAL CYCLONE BULLETIN NR. 1Super Typhoon (CHAMPI)Issued at 11:00 AM, 20 October 2026Valid for broadcast until the ...
20/10/2026

TROPICAL CYCLONE BULLETIN NR. 1
Super Typhoon (CHAMPI)
Issued at 11:00 AM, 20 October 2026
Valid for broadcast until the next bulletin at 5:00 PM today.

SUPER TYPHOON CHAMPI OUTSIDE THE PHILIPPINE AREA OF RESPONSIBILITY IS GIVEN THE LOCAL NAME “ROSAL” AS WIND SIGNAL NO. 1 IS NOW HOISTED OVER SEVERAL AREAS IN NORTHERN AND SOUTHERN LUZON.

• Location of Center (10:00 AM)
The center of the eye of Super Typhoon ROSAL was estimated based on all available data at 1,385 km East of Central Luzon (OUTSIDE PAR) (16.1°N, 135.1°E).
• Intensity
Maximum sustained winds of 185 km/h near the center, gustiness of up to 230 km/h, and central pressure of 940 hPa
• Present Movement
West Northwestward at 25 km/h
• Extent of Tropical Cyclone Winds
Strong to typhoon-force winds extend outwards up to 720 km from the center

TROPICAL CYCLONE WIND SIGNALS (TCWS) IN EFFECT

TCWS #1
Wind threat: Strong winds
Warning lead time: 36 hours
Range of wind speeds: 39 to 61 km/h (Beaufort 6 to 7)
Potential impacts of winds: Minimal to minor threat to life and property

- Batanes, the eastern portion of Babuyan Islands (Babuyan Is., Camiguin Is., Didicas Is.), the eastern portion of mainland Cagayan (Santa Ana, Gonzaga, Lal-Lo, Santa Teresita, Camalaniugan, Aparri, Buguey, Gattaran, Baggao, Peñablanca), the northeastern portion of Isabela (Maconacon, Divilacan, Palanan, San Pablo, Cabagan, Santa Maria, Tumauini, Ilagan City), and the northeastern portion of Catanduanes (Pandan, Bagamanoc, Panganiban, Viga, Gigmoto)

OTHER HAZARDS AFFECTING LAND AREAS
Heavy Rainfall Outlook

A weather advisory may be issued this afternoon in anticipation of the heavy rains due to TC ROSAL.

Severe Winds

The wind signals warn the public of the general wind threat over an area due to the tropical cyclone. Local winds may be slightly stronger/enhanced in coastal and upland/mountainous areas exposed to winds. Winds are less strong in areas sheltered from the prevailing wind direction.

• Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1.

The highest Wind Signal that may be raised during the passage of ROSAL is Wind Signal No. 2 or 3.

The Northeasterly Windflow and the periphery of ROSAL will bring strong to gale-force gusts over the following areas (especially in coastal and upland areas exposed to winds):

• Today: Batanes, Ilocos Norte, Cagayan, Isabela, Polillo Islands, Camarines Norte, Camarines Sur, Catanduanes, Northern Samar, Eastern Samar, most of Caraga, Camiguin, Misamis Oriental, Sarangani, Davao del Sur, and Davao Occidental
• Tomorrow (21 October): Ilocos Region, Cordillera Administrative Region, Cagayan Valley, Polillo Islands, Bicol Region, Romblon, Eastern Visayas, Iloilo, Guimaras, Negros Occidental, Siquijor, Bohol, Northern Mindanao, Caraga, Davao Region, Sarangani, and Zamboanga del Norte.
• Thursday (22 October): Most of the country.

HAZARDS AFFECTING COASTAL WATERS
A Gale Warning may be issued this afternoon or evening over the northern and eastern seaboards of Northern Luzon and the eastern seaboards of Southern Luzon.
24-Hour Sea Condition Outlook
Up to very rough seas over the following coastal waters:
• Up to 4.5 m: The northern and eastern seaboards of Catanduanes.
• Sea travel is risky for all types or tonnage of vessels. All mariners must remain in port or, if underway, seek shelter or safe harbor as soon as possible until winds and waves subside.

Up to rough seas over the following coastal waters:
• Up to 4.0 m: The seaboard of Isabela; the eastern seaboards of Batanes, Babuyan Islands, and mainland Cagayan; the northern seaboards of Camarines Norte and Camarines Sur; the northern and eastern seaboards of Northern Samar and Eastern Samar.
• Up to 3.5 m: The northern and eastern seaboards of Polillo Islands; the eastern seaboards of Albay and Sorsogon; the remaining seaboard of Batanes.
• Up to 3.0 m: The seaboards of Aurora and northern Quezon; the eastern seaboards of Dinagat Islands and Siargao-Bucas Grande Island Group; the remaining seaboards of Cagayan and Camarines Norte.
• Mariners of small seacrafts, including all types of motorbancas, are advised not to venture out to sea under these conditions, especially if inexperienced of operating ill-equipped vessels.

Up to moderate to rough seas over the following coastal waters:
• Up to 2.5 m: The seaboard of Surigao del Sur; the eastern seaboard of Davao Oriental; the remaining seaboard of Catanduanes.
• Up to 2.0 m: The seaboards of Ilocos Norte, Ilocos Sur, Surigao del Norte, and Davao Occidental; the northern and eastern seaboards of Quezon; the southern seaboard of Davao Oriental; the remaining northern and eastern seaboards of Camarines Sur; the remaining seaboards of Polillo Islands, Dinagat Islands, and Siargao-Bucas Grande Island Group.
• Mariners of motorbancas and similarly sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.

Other coastal waters have forecast wave heights of less than 2.0 m.

TRACK AND INTENSITY OUTLOOK
• It must be emphasized that heavy rainfall and severe winds may still be experienced in localities outside the landfall point and the forecast confidence cone. Refer to “Other Hazards affecting Land Areas” for more details. Furthermore, the track may still shift within the limit of the forecast confidence cone.
• Super Typhoon ROSAL will generally move west northwestward until tomorrow (21 October) before moving generally northwestward until Friday (23 October) morning. On Friday afternoon, ROSAL will begin to turn north northwestward to northward until it exits the Philippine Area of Responsibility (PAR) by Friday evening or Saturday (24 October) early morning.
• ROSAL is forecast to maintain its strength as Super Typhoon and further intensification remains possible while it moves over the Philippine Sea. It is forecast to weaken into a Typhoon on Thursday and may further weaken into a Severe Tropical Storm on Saturday evening or Sunday (25 October) morning while outside PAR due to unfavorable environment.

Considering these developments, the public and disaster risk reduction and management offices concerned are advised to take all necessary measures to protect life and property. Persons living in areas identified to be highly or very highly susceptible to these hazards are advised to follow evacuation and other instructions from local officials. For heavy rainfall warnings, thunderstorm/rainfall advisories, and other severe weather information specific to your area, please monitor products issued by your local PAGASA Regional Services Division.

The next tropical cyclone bulletin will be issued at 5:00 PM today.

DOST-PAGASA
Link: tinyurl.com/tropical-cyclone-bulletin

As of 8:00 AM today, 20 October 2026, the Super Typhoon with international name "CHAMPI" is being monitored OUTSIDE the ...
20/10/2026

As of 8:00 AM today, 20 October 2026, the Super Typhoon with international name "CHAMPI" is being monitored OUTSIDE the Philippine Area of Responsibility (PAR).

All are advised to monitor updates from DOST-PAGASA.

Hydrological Forecast for River Basin Issued at 8:30 AM, 20 October 2026* Pampanga River Basin* Agno River Basin* Ca...
20/10/2026

Hydrological Forecast for River Basin
Issued at 8:30 AM, 20 October 2026

* Pampanga River Basin
* Agno River Basin
* Cagayan River Basin
* Bicol River Basin

[AMENDED] As of 8:00 AM today, 19 October 2026, the Typhoon with the international name "CHAMPI" is being monitored OUTS...
19/10/2026

[AMENDED] As of 8:00 AM today, 19 October 2026, the Typhoon with the international name "CHAMPI" is being monitored OUTSIDE the Philippine Area of Responsibility (PAR).

All are advised to monitor updates from DOST-PAGASA.

Hydrological Forecast for River Basin Issued at 8:30 AM, 19 October 2026* Pampanga River Basin* Agno River Basin* Ca...
19/10/2026

Hydrological Forecast for River Basin
Issued at 8:30 AM, 19 October 2026

* Pampanga River Basin
* Agno River Basin
* Cagayan River Basin
* Bicol River Basin

As of 8:00 AM today, 18 October 2026, the Super Typhoon with an international name "CHAMPI" is being monitored OUTSIDE t...
18/10/2026

As of 8:00 AM today, 18 October 2026, the Super Typhoon with an international name "CHAMPI" is being monitored OUTSIDE the Philippine Area of Responsibility (PAR).

All are advised to monitor updates from DOST-PAGASA.

Thunderstorm Advisory No. 3 Issued at: 3:15 PM, 12 October 2026(Monday)Moderate to heavy rainshowers with lightning and...
12/10/2026

Thunderstorm Advisory No. 3
Issued at: 3:15 PM, 12 October 2026(Monday)

Moderate to heavy rainshowers with lightning and strong winds are expected over Bulacan (Dona Remedios Trinidad, Norzagaray, Hagonoy, and San Jose del Monte), Cavite (Dasmarinas, General Trias, Silang, Amadeo, Trece Martires, Bacoor, Imus, Kawit, Cavite City, Noveleta, Gen. Mariano Alvarez, and Carmona), Laguna (San Pedro and Binan), Metro Manila (Pasig, Mandaluyong, Pateros, Taguig, Makati, Quezon City, Caloocan, San Juan, Marikina, Manila, Pasay, Paranaque, Muntinlupa, and Las Pinas), Nueva Ecija (Guimba, Nampicuan, General Tinio, Gabaldon, Laur, Palayan, Rizal, General Mamerto Natividad, Bongabon, Lupao, San Jose, Talavera, Munoz, and Llanera), Pampanga (Masantol, Macabebe, and Sasmuan), Quezon (Guinayangan, Tagkawayan, Calauag, Buenavista, Lopez, Catanauan, General Luna, Macalelon, Gumaca, Pitogo, Quezon, Plaridel, Unisan, General Nakar, San Francisco, and San Andres), Rizal (Binangonan, Taytay, Cainta, Angono, San Mateo, Rodriguez, Baras, Antipolo, Teresa, Morong, Cardona, and Tanay), and Zambales (Santa Cruz, Candelaria, Masinloc, Cabangan, San Felipe, Botolan, San Narciso, San Marcelino, Palauig, and Iba) within the next 2 hours.

The above condition is affecting Nueva Ecija (Cuyapo, Talugtug, Pantabangan, and Carranglan) and Quezon (Mulanay and San Narciso) which may persist within 2 hours.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides.

Keep monitoring for updates.

Rainfall Advisory No. 9 Weather System: EasterliesIssued at: 5:00 AM, 12 October 2026(Monday)Light to moderate rains ar...
11/10/2026

Rainfall Advisory No. 9
Weather System: Easterlies
Issued at: 5:00 AM, 12 October 2026(Monday)

Light to moderate rains are expected over Cavite, Metro Manila, Bulacan, Pampanga, Bataan, Zambales, Tarlac, Nueva Ecija and Batangas(Balete, Tanauan, Lipa, Malvar, Mataasnakahoy, Padre Garcia, Rosario, San Juan, Santo Tomas, Talisay).
Light to moderate with occasional heavy rains affecting Quezon(Alabat, Perez, Atimonan, Padre Burgos, Pagbilao, Tayabas, Mauban, Sampaloc, Lucban, Infanta, General Nakar, Real, Polillo, Burdeos, Panukulan, Patnanungan, Jomalig, Lucena), Laguna(Majayjay, Luisiana, Pagsanjan, Magdalena, Lumban, Cavinti, Kalayaan, Paete, Pakil, Pangil, Siniloan, Mabitac, Famy, Santa Maria, Santa Cruz) and Rizal(Jala-Jala, Pililla, Tanay, Baras, Antipolo) and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 8:00 AM today.

For more information and queries, please call telephone numbers 8927-1335 and 8927-2877 or log on to www.pagasa.dost.gov.ph.

Thunderstorm Advisory No. 14 Issued at: 3:45 PM, 11 October 2026(Sunday)Moderate to heavy rainshowers with lightning an...
11/10/2026

Thunderstorm Advisory No. 14
Issued at: 3:45 PM, 11 October 2026(Sunday)

Moderate to heavy rainshowers with lightning and strong winds are expected over Batangas (San Pascual, Bauan, Mabini, Tingloy, San Luis, and Alitagtag) and Quezon (Quezon, Gumaca, Pitogo, Lopez, Buenavista, Calauag, Guinayangan, Tagkawayan, San Francisco, San Narciso, and San Andres) within the next 2 hours.

Heavy to intense rainshowers with lightning and strong winds are affecting Batangas (Batangas City) and Quezon (Macalelon, General Luna, Catanauan, and Mulanay) which may persist within 2 hours.
All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides.

Keep monitoring for updates.

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