Civil Defense Ilocos Region, OCD-I Building, Aguila Road, Sevilla, City of San Fernando, La Union, Union (2026)

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OCD-I Building, Aguila Road, Sevilla, City Of San Fernando, La Union

04/09/2026

Rainfall Advisory No. 32
Weather System: Southwest Monsoon (Habagat)
Issued at 02:00 PM 04 September 2026

Light to Moderate to at times Heavy rains are expected over (Baler, Dipaculao), (DupaxDelSur), (Alilem, Sugpon, Cervantes, SantaMaria, SanEmilio, Burgos, Lidlidda, Santiago, GregorioDelPilar, Salcedo, SantaLucia, Galimuyod, CityOfCandon, Banayoyo, SanEsteban, Nagbukel, Narvacan), (Sudipen, Santol, SanGabriel, Naguilian, CityOfSanFernando, Bauang, Bagulin, Burgos, Aringay, Caba), (Boliney, Manabo, Luba, Villaviciosa, Pilar, Daguioman, Bucloc, Malibcong, Lagangilang, Bucay, Tayum, Peñarrubia, Dolores, Lacub, Tineg, Lagayan, SanJuan, Danglas, LaPaz, Bangued, Langiden, Pidigan, SanQuintin, SanIsidro), (Sadanga, Bontoc, Besao, Sagada, Sabangan, Bauko, Tadian), , , (Tuao, Enrile, Solana, TuguegaraoCity), (SantaMaria), (Calanasan, Kabugao, Conner), (Vintar, Carasi, NuevaEra, Solsona, Dingras, Piddig, Marcos and Banna) within the next 2 to 3 hours.

The above conditions are being experienced in (AlfonsoCastaneda), (MariaAurora, SanLuis, Dingalan), (SanJuan, Bacnotan, Balaoan, Luna, Bangar), (Suyo, Tagudin, SantaCruz, Sigay, Quirino), (Tubo, LicuanBaay and Sallapadan) which may persist within 2 to 3 hours 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 05:00 PM Today.

All are advised to take precautionary measures against the impacts associated with these hazards. Residents along mountain slope are advised for possible landslides, mudslides, rockslides and flash flood.

Keep monitoring for updates.

04/09/2026

Weather Advisory No. 51 for Southwest Monsoon
>Issued: 04Sept2026, 11AM
>Heavy Rainfall Outlook Due to Southwest Monsoon
>Today to tomorrow noon (September 5)
>(100–200 mm): Zambales and Bataan
>>Potential Impacts: Numerous flooding events are likely, especially in areas that are urbanized, low-lying, or near rivers. Landslides are likely in moderate to highly susceptible areas.
>(50–100 mm): Tarlac, Pampanga, Bulacan, Metro Manila, Rizal, Cavite, Batangas, and Occidental Mindoro
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low-lying, or near rivers. Landslides are possible in highly susceptible areas.
>Tomorrow noon to Sunday noon (September 6)
>(100–200 mm): Occidental Mindoro
>>Potential Impacts: Numerous flooding events are likely, especially in areas that are urbanized, low-lying, or near rivers. Landslides are likely in moderate to highly susceptible areas.
>>(50–100 mm): Zambales, Bataan, Pampanga, Bulacan, Metro Manila, Rizal, Cavite, Laguna, Batangas, Oriental Mindoro, and Antique
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low-lying, or near rivers. Landslides are possible in highly susceptible areas.
>Sunday noon to Monday noon (September 7)
>(50–100 mm): Zambales, Bataan, Tarlac, Pampanga, Cavite, Batangas, Occidental Mindoro
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low-lying, or near rivers. Landslides are possible in highly susceptible areas.
>Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST-PAGASA website.

04/09/2026

Hydrological Situationer No. 30 (Amendment) for Agno River
>Issued: 4Sep26, 10:15AM
>Weather System: Southwest Monsoon affecting Luzon and Visayas.
>Recorded Ave Basin Rainfall (Past 24 hrs): 24 mm
>Forecast Ave Basin Rainfall (Next 24 hrs): 1-30 mm
>Ambuklao:
>>Water Level (meters AMSL): 751.29 (8AM, 4Sep26)
>>Gate Opening: 5 gates
>>Total gate opening: 2.5 m
>>Total discharge (turbine + spillway): 386.69 cms (8AM, 4Sep26)
>>Areas to be affected: Barangay AMBUCLAO, Bokod, Benguet
>Binga:
>>Water Level (meters AMSL): 573.95 (8AM, 4Sep26)
>>Gate Opening: 6 gates
>>Total gate opening: 3.0 m
>>Total discharge (turbine + spillway): 441.18 cms (8AM, 4Sep26)
>>Areas to be affected: Barangays DALUPIRIP and TINONGDAN, Itogon, Benguet
>San Roque:
>>Water Level (meters AMSL): 285.15 (8AM, 4Sep26)
>>Gate Opening: 2 gates
>>Total gate opening: 2.0 m
>>Total discharge (turbine + spillway): 620.50 cms (8AM, 4Sep26)
>>Areas to be affected: Municipalities in Pangasinan (San Manuel, San Nicolas, Tayug, Sta. Maria, Asingan, Villasis, Alcala, Bautista, Rosales, and Bayambang)
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST-PAGASA website.

04/09/2026

Hydrological Situationer No. 30 for Agno River
>Issued: 04Sep26, 9AM
>Weather System: Southwest Monsoon affecting Luzon and Visayas.
>Recorded Ave Basin Rainfall (Past 24 hrs): 24 mm
>Forecast Ave Basin Rainfall (Next 24 hrs): 1-30 mm
>Ambuklao:
>>Water Level (meters AMSL): 751.29 (8AM, 04Sep26)
>>Gate Opening: 5 gates
>>Total gate opening: 2.5 m
>>Total discharge (turbine + spillway): 386.69 cms (8AM, 04Sep26)
>>Areas to be affected: Barangay AMBUCLAO, Bokod, Benguet
>Binga:
>>Water Level (meters AMSL): 573.95 (8AM, 04Sep26)
>>Gate Opening: 6 gates
>>Total gate opening: 3.0 m
>>Total discharge (turbine + spillway): 382.95 cms (8AM, 04Sep26)
>>Areas to be affected: Barangays DALUPIRIP and TINONGDAN, Itogon, Benguet
>San Roque:
>>Water Level (meters AMSL): 285.15 (8AM, 04Sep26)
>>Gate Opening: 2 gates
>>Total gate opening: 2.0 m
>>Total discharge (turbine + spillway): 620.50 cms (8AM, 04Sep26)
>>Areas to be affected: Municipalities in Pangasinan (San Manuel, San Nicolas, Tayug, Sta. Maria, Asingan, Villasis, Alcala, Bautista, Rosales, and Bayambang)
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST-PAGASA website.

04/09/2026

Flood Bulletin No. 15 for Agno River Basin and Allied Rivers

Issued: 4Sep26, 7AM

Average Basin Rainfall (as of 6:00 AM, 4Sep26):
-Past 24 Hours: 22.89 mm
-Forecast 24-hour rainfall: 20-70 millimeters
-BASIN EXPECTED RESPONSE:

STA. MARIA STATION / UPPER AGNO RIVER
-Still below 2.25 M. alert water level
-Flooding is no longer possible (Sam Roque Dam: 2 gates open)
-Areas likely to be affected: Asingan, Sta. Maria, Rosales, and Villasis

CARMEN STATION / LOWER AGNO RIVER
-Still below 1.28 M. alert water level
-Flooding is no longer possible
-Areas likely to be affected: Sto. Tomas, Alcala, and Bautista

SAN VICENTE STATION / LOWER AGNO RIVER
-Now at 3.80 M. slow recession to reach below 3.68 M. Alarm WL
-Flooding still threatening
-Areas likely to be affected: Bayambang, Urbiztondo, Mangatarem, Aguilar, and Lingayen

BUGALLON STATION / LOWER AGNO RIVER
-Now at 1.50 M. Below critical WL. Fluctuating WL to remain below 1.80 M. critical WL
-Flooding still threatening
-Areas likely to be affected: Bugallon and parts of Lingayen

TIBAG STATION / TARLAC RIVER (TRIBUTARY)
-Still below 4.20 M. alert water level
-Flooding is no longer possible
-Areas likely to be affected: Tarlac City, Gerona, Paniqui, Moncada, San Manuel, and Camiling

STA. BARBARA STATION / SINOCALAN RIVER (ALLIED)
-Now at 6.0 M. above alarm WL. fluctuating WL but to slowly recede
-Flooding still threatening
-Areas likely to be affected: Sta. Barbara, Calasiao, Dagupan City, and portions of Binmaley

MAPANDAN STATION / ANGALACAN RIVER (ALLIED)
-Still below 2.23 M. alert water level
-Flooding is no longer possible
-Areas likely to be affected: Mapandan, San Fabian, and Mangaldan

FLOODING DUE TO POOR DRAINAGE AND ACCUMULATION OF RAINWATER IN THE LOW-LYING URBANIZED AREAS
-Areas likely to be affected: Dagupan City and Urdaneta City
-MINOR COASTAL FLOODING IN THE LOW-LYING SEASHORE AREAS
-Areas likely to be affected: Dagupan City, Lingayen, San Fabian, and Labrador

Monitor the weather and take precautionary measures.

For more information, visit the DOST-PAGASA website."

03/09/2026

040926-10 GFA No. 24 for Region I (Ilocos Region)
Issued: 4Sept26, 6AM
Present weather: Southwest monsoon affecting Luzon and Visayas.
Forecast 12-HR Rainfall: Light to moderate rains and thunderstorms.
Watercourses LIKELY to be affected:
Rivers and their tributaries in the following areas:
PANGASINAN: Balincaguing and Alaminos
ILOCOS SUR: Lower Abra, Silay-Sta. Maria, Buaya and Amburayan
LA UNION: Amburayan, Baroro, Lower Bauang and Aringay
ILOCOS NORTE: Bulu, Banban, Bacarra-vintar, Laoag, and Quiaoit
Take precautionary measures. Be alert for flashfloods and landslides.
For more information, visit the DOST-PAGASA website."

03/09/2026

040926-04 24-HOUR PUBLIC WEATHER FORECAST AT 4:00 AM
SYNOPSIS: Southwest Monsoon affecting Luzon and Visayas.
TC Information
TROPICAL CYCLONE OUTSIDE PAR AS OF 3:00 AM TODAY
TROPICAL DEPRESSION
LOCATION: 1,770 KM EAST OF EXTREME NORTHERN LUZON (19.0°N, 138.3°E)
MAXIMUM SUSTAINED WINDS: 45 KM/H NEAR THE CENTER
GUSTINESS: UP TO 55 KM/H
MOVEMENT: NORTHWESTWARD AT 20 KM/H
FORECAST WEATHER CONDITIONS:
Zambales and Bataan will experience monsoon rains due to the Southwest Monsoon. Possible flash floods or landslides due to heavy to intense rains.
Pangasinan, Pampanga, Tarlac, Bulacan, Metro Manila, Rizal, Cavite, Batangas, and Occidental Mindoro will experience occasional rains due to the Southwest Monsoon. Possible flash floods or landslides due to moderate to heavy rains
Cagayan Valley, Cordillera Administrative Region, the rest of Ilocos Region, the rest of Central Luzon, the rest of CALABARZON, the rest of MIMAROPA, Antique, Iloilo, and Guimaras will experience cloudy skies with scattered rains and thunderstorms due to the Southwest Monsoon. Possible flash floods or landslides due to moderate to at times heavy rains
The rest of Luzon and Visayas will experience partly cloudy to cloudy skies with isolated rainshowers or thunderstorms due to Southwest Monsoon. Possible flash floods or landslides during severe thunderstorms
Mindanao will experience partly cloudy to cloudy skies with isolated rain showers or thunderstorms due to localized thunderstorms. Possible flash floods or landslides during severe thunderstorms
FORECAST WIND AND COASTAL WATER CONDITIONS:
Moderate to strong winds from the southwest will prevail over Extreme Northern Luzon, with coastal waters ranging from moderate to rough (1.5 to 3.5 meters).
Moderate to strong winds from the southwest will prevail over the rest of Luzon, with coastal waters ranging from moderate to rough (1.2 to 2.8 meters).
Light to moderate winds from the south to southwest will prevail over Mindanao, with coastal waters ranging from slight to moderate (0.6 to 2.1 meters).
Monitor the latest weather updates and take necessary precautionary measures.
For more information, visit the DOST-PAGASA website.

03/09/2026

Rainfall Advisory No. 30
Weather System: Southwest Monsoon (Habagat)
Issued at 11:00 PM 03 September 2026

Light to Moderate to at times Heavy rains are being experienced in (Bacarra, Badoc, Bangui, CityOfBatac, Currimao, Banna, LaoagCity, Paoay, Pasuquin, Pinili, SanNicolas, Sarrat, Vintar, Burgos, Marcos), (Atok, BaguioCity, Bokod, Itogon, Kapangan, LaTrinidad, Sablan, Tuba, Tublay), (Aguilar, Binmaley, Bugallon, DagupanCity, Infanta, Labrador, Lingayen, Mangatarem, Pozorrubio, SanCarlosCity, SanFabian, Sison, Urbiztondo), (Bagulin, Burgos, Pugo, Rosario, SanGabriel, Tubao), (Dingalan), (Nagtipunan) and (Sinait) which may persist within 2 to 3 hours and may affect nearby areas.

The above conditions are expected over the rest of , , (SantaPraxedes, Claveria, SanchezMira, Pamplona, Abulug), the rest of , the rest of , the rest of , (Kayapa, SantaFe, Aritao, DupaxDelNorte, DupaxDelSur, AlfonsoCastaneda, Bambang, Kasibu), the rest of , the rest of , , (Sagada, Besao, Tadian, Bauko, Sabangan), (Hungduan, Tinoc), (Maddela) and within the next 2 to 3 hours.

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 02:00 AM Tomorrow.

All are advised to take precautionary measures against the impacts associated with these hazards. Residents along mountain slope are advised for possible landslides, mudslides, rockslides and flash flood.

Keep monitoring for updates.

03/09/2026

030926-48 Flood Bulletin No. 14 for Agno River Basin and Allied Rivers
Issued: 3Sep26, 7PM
Average Basin Rainfall (as of 6:00 PM, 2Sep26):
Past 24 Hours: 22.33 mm
Forecast 24-hour rainfall: Less than 50 millimeters
BASIN EXPECTED RESPONSE:
STA. MARIA STATION / UPPER AGNO RIVER
Still below 2.25 M. alert water level
Flooding is no longer possible
Areas likely to be affected: Asingan, Sta. Maria, Rosales, and Villasis
CARMEN STATION / LOWER AGNO RIVER
Still below 1.28 M. alert water level
Minor flooding due to accumulation of rainwater
Areas likely to be affected: Sto. Tomas, Alcala, and Bautista
SAN VICENTE STATION / LOWER AGNO RIVER
Now at 3.85 M. slow recession to reach below 3.68 M. Alarm WL
Flooding still threatening
Areas likely to be affected: Bayambang, Urbiztondo, Mangatarem, Aguilar, and Lingayen
BUGALLON STATION / LOWER AGNO RIVER
Still at 1.45 M. fluctuating to remain above 1.80 M. alarm WL
Flooding still threatening
Areas likely to be affected: Bugallon and parts of Lingayen
TIBAG STATION / TARLAC RIVER (TRIBUTARY)
Still below 4.20 M. alert water level
Minor flooding due to accumulation of rainwater
Areas likely to be affected: Tarlac City, Gerona, Paniqui, Moncada, San Manuel, and Camiling
STA. BARBARA STATION / SINOCALAN RIVER (ALLIED)
Now at 6.15 M. above normal WL fluctuating WL but slowly recede
Flooding still threatening
Areas likely to be affected: Sta. Barbara, Calasiao, Dagupan City, and portions of Binmaley
MAPANDAN STATION / ANGALACAN RIVER (ALLIED)
Still below 2.23 M. alert water level
Flooding is no longer possible
Areas likely to be affected: Mapandan, San Fabian, and Mangaldan
FLOODING DUE TO POOR DRAINAGE AND ACCUMULATION OF RAINWATER IN THE LOW-LYING URBANIZED AREAS
Areas likely to be affected: Dagupan City and Urdaneta City
MINOR COASTAL FLOODING IN THE LOW-LYING SEASHORE AREAS
Areas likely to be affected: Dagupan City, Lingayen, San Fabian, and Labrador
Monitor the weather and take precautionary measures.
For more information, visit the DOST-PAGASA website.

03/09/2026

Heavy Rainfall Warning No. 7 FINAL
Weather System: Southwest Monsoon (Habagat)
Issued at 08:00 PM 03 September 2026

All RAINFALL WARNING over forecast areas are now terminated.

Light to Moderate to at times Heavy rains are expected over (Nagtipunan), (Dipaculao, Baler, SanLuis, Dilasag, Casiguran, Dinalungan, Dingalan), (Kabayan, Bokod, Buguias, Itogon), (Agno, Burgos, Dasol, Infanta, Mabini), (Carasi, Solsona, NuevaEra, Vintar, Adams, Dumalneg, Pagudpud), (Agoo, Aringay, Bagulin, Bauang, Burgos, Caba, Naguilian, Pugo, Rosario, CityOfSanFernando, SanGabriel, SanJuan, SantoTomas, Santol, Tubao), (Banayoyo, Bantay, Burgos, Cabugao, CityOfCandon, Caoayan, Cervantes, Galimuyod, GregorioDelPilar, Lidlidda, Magsingal, Nagbukel, Narvacan, Quirino, Salcedo, SanEmilio, SanEsteban, SanIldefonso, SanJuan, SanVicente, Santa, SantaCatalina, SantaCruz, SantaLucia, SantaMaria, Santiago, SantoDomingo, Sigay, CityOfVigan), , (Danglas, Langiden, Lagayan, Bangued, LaPaz, SanQuintin, Pidigan, Luba, Pilar, Villaviciosa and SanIsidro) within the next 2 to 3 hours.

The above conditions are being experienced in (MariaAurora), (AlfonsoCastaneda), (Atok, BaguioCity, Bakun, Kapangan, Kibungan, LaTrinidad, Mankayan, Sablan, Tuba, Tublay), (CityOfBatac, SanNicolas, Paoay, LaoagCity, Sarrat, Bangui, Burgos, Pasuquin, Bacarra, Piddig, Dingras, Marcos, Banna, Pinili, Currimao, Badoc), (Bacnotan, Balaoan, Bangar, Luna, Sudipen), (Alilem, Sinait, Sugpon, Suyo and Tagudin) which may persist within 2 to 3 hours and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are still advised to MONITOR the weather condition.

All are advised to take precautionary measures against the impacts associated with these hazards. Residents along mountain slope are advised for possible landslides mudslides, rockslides and flash flood.

Keep monitoring for updates.

Civil Defense Ilocos Region

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