Civil Defense CALABARZON

04/10/2026

RDRRMC CALABARZON EOC UPDATE

24-HR Public Weather Forecast AT 4PM
Issued: 04Oct26, 4PM
SYNOPSIS: Trough of Typhoon CHOI-WAN affecting Visayas and Mindanao. Typhoon CHOI-WAN is outside the Philippine Area of Responsibility (PAR) as of 3:00 PM today.

TC Information
TROPICAL CYCLONE OUTSIDE PAR AS OF 3:00 PM TODAY
TYPHOON CHOI-WAN (2627)
LOCATION: 2,610 KM EAST OF EXTREME NORTHERN LUZON (23.0°N, 147.0°E)
MAXIMUM SUSTAINED WINDS: 175 KM/H NEAR THE CENTER
GUSTINESS: UP TO 215 KM/H
MOVEMENT: NORTHWARD AT 15 KM/H

Forecast Weather Conditions:
Mindanao, Western Visayas, Negros Island Region, Central Visayas, Leyte, and Southern Leyte will experience cloudy skies with scattered rains and thunderstorms caused by the trough of TC Choi-Wan. Possible flash floods or landslides due to moderate to at times heavy rains.
Metro Manila and the rest of the country will experience partly cloudy to cloudy skies with thunderstorms and isolated rainshowers caused by localized thunderstorms. Possible flash floods or landslides during severe thunderstorms.

Forecast Wind and Coastal Water Conditions:
Light to Moderate winds from northeast to northwest will prevail over Luzon. Coastal waters will be slight to moderate / (0.6 to 1.2 meters).
Light to Moderate winds from southwest to west will prevail over Visayas and Mindanao. Coastal waters will be slight to moderate / (0.6 to 1.2 meters).

Monitor the weather and take precautionary measures.
For more information, visit the DOST-PAGASA website.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

Thunderstorm Advisory No. 4
Issued at: 2:40 PM, 04 October 2026(Sunday)

Moderate to heavy rainshowers with lightning and strong winds are expected over Bataan (Dinalupihan, Hermosa, Morong, Orani, Samal, and Abucay), (Nasugbu, Laurel, Talisay, Tanauan, Balete, Mataasnakahoy, Malvar, Santo Tomas, Lobo, San Pascual, Cuenca, Alitagtag, Bauan, San Luis, Santa Teresita, San Nicolas, Taal, Agoncillo, Batangas City, and Lemery), Bulacan (Dona Remedios Trinidad, Norzagaray, and San Jose del Monte), (Maragondon, Naic, Trece Martires, General Trias, Dasmarinas, Carmona, Gen. Mariano Alvarez, Tanza, Ternate, Rosario, and Imus), (Alaminos, San Pablo, Los Banos, Calamba, Cabuyao, Santa Rosa, Bay, Calauan, Binan, San Pedro, Majayjay, Liliw, Nagcarlan, Rizal, and Victoria), Metro Manila (Marikina, Quezon City, Pasig, and Muntinlupa), Nueva Ecija (General Tinio, Gabaldon, Laur, and Bongabon), Pampanga (Porac, Angeles, and Mabalacat), (Dolores, Candelaria, Sariaya, Tayabas, Lucena, Pagbilao, Lucban, Padre Burgos, Agdangan, Catanauan, Mulanay, San Narciso, General Nakar, General Luna, Macalelon, San Francisco, San Andres, Unisan, and Pitogo), (San Mateo, Cainta, Taytay, Tanay, Teresa, Baras, Morong, Angono, and Rodriguez), Tarlac (Camiling, Santa Ignacia, Tarlac City, Capas, and Bamban), and Zambales (Santa Cruz, Candelaria, Iba, Cabangan, San Marcelino, San Felipe, San Narciso, Castillejos, Subic, Olongapo, and San Antonio) within the next 2 hours.

Heavy to intense rainshowers with lightning and strong winds are affecting (Rosario, Padre Garcia, Lipa, San Juan, Taysan, Ibaan, and San Jose), (Tagaytay, Silang, Amadeo, Mendez, Indang, Alfonso, General Emilio Aguinaldo, and Magallanes), Metro Manila (Navotas), (San Antonio and Tiaong), Rizal (Antipolo), Tarlac (San Jose, Mayantoc, and San Clemente), and Zambales (Palauig, Masinloc, and Botolan) 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.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

Thunderstorm Advisory No. 3
Issued at: 1:30 PM, 04 October 2026(Sunday)

Moderate to heavy rainshowers with lightning and strong winds are expected over Bataan (Limay, Mariveles, Orion, Pilar, and Bagac), (Calaca, Laurel, Lemery, Nasugbu, Tuy, Padre Garcia, Rosario, Lipa, Agoncillo, Balayan, Lian, and San Juan), Bulacan (Dona Remedios Trinidad and Norzagaray), (Alfonso, General Emilio Aguinaldo, Magallanes, Maragondon, Mendez, Tagaytay, Amadeo, Indang, Ternate, Bacoor, and Silang), (Cavinti, Luisiana, Majayjay, Nagcarlan, Magdalena, Liliw, Rizal, and San Pablo), Metro Manila (Marikina, Quezon City, Las Pinas, Paranaque, Taguig, Makati, Mandaluyong, San Juan, Pasay, Pateros, and Pasig), Nueva Ecija (Gabaldon, Laur, Bongabon, and General Tinio), Pampanga (Porac, Floridablanca, and Lubao), (Mauban, Sampaloc, Lucban, Tayabas, Dolores, Candelaria, Sariaya, Tiaong, San Antonio, Mulanay, San Narciso, San Francisco, San Andres, Lucena, Pagbilao, Atimonan, Padre Burgos, Buenavista, Catanauan, Agdangan, and Plaridel), (San Mateo, Antipolo, Taytay, Cainta, and Rodriguez), Tarlac (San Clemente, Camiling, Mayantoc, Bamban, San Jose, and Capas), and Zambales (Botolan, San Marcelino, Cabangan, Candelaria, Iba, Masinloc, Palauig, San Felipe, San Narciso, Castillejos, San Antonio, and Subic) within the next 2 hours.

The above condition is affecting Bataan (Hermosa, Dinalupihan, Morong, Balanga, Samal, Orani, and Abucay) and Zambales (Santa Cruz and Olongapo) 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.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

Thunderstorm Advisory No. 2
Issued at: 12:30 PM, 04 October 2026(Sunday)

Moderate to heavy rainshowers with lightning and strong winds are expected over (Calaca, Nasugbu, Balayan, Lian, Tuy, Calatagan, Talisay, San Nicolas, and Taal), (Tagaytay, Amadeo, Alfonso, Indang, Mendez, General Emilio Aguinaldo, and Magallanes), (Cavinti, Luisiana, Majayjay, Liliw, Magdalena, Nagcarlan, Rizal, and Pagsanjan), Metro Manila (Pasig, Pateros, Taguig, Mandaluyong, Makati, Manila, Pasay, Paranaque, San Juan, Quezon City, and Marikina), Pampanga (Lubao, Floridablanca, Porac, Sasmuan, and Macabebe), (Mauban, Sampaloc, Lucban, Pagbilao, Lucena, Candelaria, Sariaya, Dolores, San Andres, San Narciso, San Francisco, Mulanay, Burdeos, Atimonan, and Padre Burgos), (Cainta and Taytay), Tarlac (Bamban), and Zambales (San Marcelino, Botolan, Cabangan, San Felipe, San Narciso, Castillejos, and San Antonio) within the next 2 hours.

Heavy to intense rainshowers with lightning and strong winds are affecting (Laurel, Agoncillo, and Lemery), Quezon (Tayabas), Zambales (Olongapo and Subic), and Bataan 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.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

Thunderstorm Advisory No. 1
Issued at: 11:32 AM, 04 October 2026(Sunday)

Moderate to heavy rainshowers with lightning and strong winds are expected over (Lian, Balayan, Calaca, Lemery, Tuy, and Nasugbu), (Luisiana and Majayjay), Metro Manila (Pasig, Pateros, and Taguig), Pampanga (Porac), (Tayabas, Sampaloc, Lucban, Lucena, Mauban, and Pagbilao), (Cainta and Taytay), Tarlac (Bamban), Zambales (Cabangan, San Narciso, San Felipe, Castillejos, Olongapo, San Antonio, Subic, San Marcelino, and Botolan), and Bataan within the next 2 hours.

The above condition is affecting (Calatagan) 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.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

October 04, 2026 - 8:00 AM

Upper Wawa Dam water level: 135.13 (Spilling)

Spill Rate: 20.23 m³/s

Rainfall Accumulation
October 03, 8:00 AM - October 04, 8:00 AM 9.6mm

Thank you, Keep Safe

04/10/2026

RDRRMC CALABARZON EOC UPDATE

Thunderstorm Watch
Issued at: 10:00 AM, 04 October 2026
Thunderstorm is MORE LIKELY to develop over Greater Metro Manila Area(Metro Manila, Bulacan, Rizal, Laguna and Cavite) within 12 hours.
All are advised to continue monitoring for updates.

04/10/2026

RDRRMC CALABARZON EOC UPDATE

As of 8:00 AM today, 04 October 2026, the Typhoon with international name "CHOI-WAN" (formerly LPA 09h) is being monitored OUTSIDE the Philippine Area of Responsibility (PAR).
All are advised to monitor updates from DOST-PAGASA.

As of 8:00 AM today, 04 October 2026, the Typhoon with international name "CHOI-WAN" (formerly LPA 09h) is being monitored OUTSIDE the Philippine Area of Responsibility (PAR).

All are advised to monitor updates from DOST-PAGASA.

03/10/2026

RDRRMC CALABARZON TAAL VOLCANO MONITORING
AS OF 12:00 AM, 04 October 2026

Alert level: 1 (Low-level unrest)
Seismicity: 0 volcanic earthquake
Acidity: 0.48 (10 Feb 26)
Temperature: 63.1 ℃ (10 Feb 26)
Sulfur Dioxide Flux: 346 tonnes / day (01 October 2026)
Plume: 1200 meters tall; moderate emission; southwest and east-northeast drift
Ground deformation: Short-term inflation of Taal Volcano Island

NOT ALLOWED:
• Entry into Taal Volcano Island (Permanent Danger Zone or PDZ), especially the Main Crater and Daang Kastila fissures, and occupancy and boating on Taal Lake
• Flying any aircraft close to the volcano

REMINDER:
• Possible hazards that can occur:
• Steam-driven or phreatic or gas-driven explosion
• Volcanic earthquakes
• Minor ashfall
• Lethal accumulations or expulsions of volcanic gas

Source: DOST PHIVOLCS

03/10/2026

RDRRMC CALABARZON EOC UPDATE

CALABARZON WEATHER FORECAST (04 October 2026, Valid: 5 AM today until 5 AM tomorrow)

CALABARZON will have partly cloudy to cloudy skies with isolated rainshowers or thunderstorms.

Light to moderate winds coming from the northwest to west will prevail and the coastal waters along these areas will be slight to moderate.