REGIONAL SUMMARY:
For the twenty-fifth week of 2024, the ASEAN region experienced 26 disasters, including floods, landslides, storms, wind-related disasters, and volcanic activity. Indonesia, Malaysia, Philippines, Thailand, and Viet Nam were reportedly affected by these disasters. According to the Badan Nasional Penanggulangan Bencana (BNPB) of Indonesia, flooding, landslides, and wind-related disasters were reported in Gorontalo, Central Sulawesi, North Sulawesi, and North Sumatra as well as volcanic activity of Mount Lewotobi Laki-laki in East Nusa Tenggara. In Malaysia, Agensi Pengurusan Bencana Negara (NADMA) reported flooding in Sabah. The Philippines’ National Disaster Risk Reduction and Management Council (NDRRMC) reported flooding and storms in Region XII and BARMM. Meanwhile, the Department of Disaster Prevention and Mitigation (DDPM) Thailand reported flooding and storms in Nakhon Si Thammarat and Trat. Lastly, the Viet Nam Disaster and the Dyke Management Authority (VDDMA) documented storms, landslides, and winds-related disasters in Northern and Southern Regions.
HIGHLIGHT:
In the Philippines, as reported by the NDRRMC, flooding incidents occurred in the provinces of Maguindanao del Sur and Lanao del Sur on 19 June at 0100 HRS UTC+7 due to continuous heavy rainfall and thunderstorms brought by the Southwest Monsoon. As of 19 June 2024, at 2130 HRS UTC+7, the NDRRMC stated that a total of 6.1K families were affected in Datu Montawal (Pagagawan) in Maguindanao del Sur and Bubong, Ditsaan-Ramain, and Taraka in Lanao del Sur.
In Viet Nam, according to the VDDMA, heavy rainfall accompanied by thunderstorms, tornadoes, lightning, and strong winds caused damage in several provinces across the Northern and Southern Regions from 17-18 June 2024. As of June 19, the VDDMA reported that these disasters resulted in the loss of five lives (four in Bac Kan and one in Ha Giang), damage to 39 houses and 65.1 hectares of agriculture areas, and the death of 400 poultry. Local authorities have visited the affected areas, conducted assessments, and mobilised resources to support the affected communities.
HYDRO-METEO-CLIMATOLOGICAL:
For the past week, data from the ASEAN Specialised Meteorological Centre (ASMC) indicates a 7-day average rainfall ranging from medium to high across most of ASEAN Region including Brunei Darussalam, Cambodia, Indonesia (Sumatra, Kalimantan, Sulawesi, Maluku, and Papua), Malaysia, Myanmar (upper and lower parts), Singapore, Thailand (Southern, Central, Northern , and Northeast), and Viet Nam (Northern, Central Coast, and Southern). As of 24 June at 1000 HRS URTC+7, INVEST 97W was located over Viet Nam East Sea with maximum sustained winds are around 30 km/h. As of reporting, no advisories or warnings have been issued for INVEST 97W by JTWC.
GEOPHYSICAL:
Three (3) significant earthquakes (M>5.0) were recorded by Indonesia’s Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) and the Philippine Institute of Volcanology and Seismology (PHIVOLCS). Mount Semeru (alert level III), Lewotobi Laki-laki (alert level III), and Ibu (alert level III) in Indonesia, and Mayon Volcano (alert level 1), Taal (alert level 1), Kanlaon (alert level 2), and Bulusan (alert level 1) in the Philippines reported recent volcanic activity according to Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) and the PHIVOLCS.
OUTLOOK:
According to the ASEAN Specialised Meteorological Centre (ASMC), for the coming week, wetter conditions are predicted over much of Mainland Southeast Asia; and warmer conditions are predicted over the southern half of Southeast Asia. For the regional assessment of extremes, there is a small increase in chance for very heavy rainfall conditions to occurs over northern Viet Nam, Papua, and western Myanmar; and a moderate increase in chance over southern Thailand, Peninsular Malaysia, central Borneo, Sumatra, Java, Sulawesi, Papua, and a small increase in chance over southern tip of Viet Nam, western half of the Philippines, and rest of Borneo for extreme hot conditions. The El Niño Southern Oscillation (ENSO) state is now in neutral conditions. ASMC predicts ENSO-neutral conditions to remain during June – July 2024, with a potential for La Niña conditions in the second half of the year.
Sources:
ASEAN Disaster Monitoring & Response System (DMRS); ASEAN Specialised Meteorological Centre (ASMC); Joint Typhoon Warning Centre (JTWC);
Indonesia: BNPB, BMKG, PVMBG;
Malaysia: NADMA;
Philippines: NDRRMC, PAGASA, PHIVOLCS;
Thailand: DDPM;
Viet Nam: VDDMA;
Various news agencies.
