High-intensity rainfall was reported in several parts of Indonesia, resulting in localised flooding events. Meanwhile, thunderstorms in Thailand were reported to have damaged around 10,000 houses and have caused two (2) casualties and injuries. Storm warnings have also been issued in Malaysia, Singapore, and Viet Nam. Volcanic activities have recently been observed for Ibu and Sangeang Volcanoes in Indonesia and both remain under Alert Level II (Waspada). Meanwhile, four (4) significant earthquakes (M≥5.0) were recorded in the region.
The ASEAN Disaster Monitoring and Response System (DMRS) has issued storm warnings in Thailand, Malaysia, Viet Nam, and Singapore.
Additionally, Indonesia’s Badan National Penanggulangan Bencana (BNPB) through its local arms, reported significant numbers (approximately 145,000) of affected people in Central Kalimantan due to rains with high intensity since 30 April 2020. The Thailand Department of Disaster Prevention and Mitigation (DDPM) have reported that thunderstorms have affected 10,092 families in the country since 29 April to 09 May 2020. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAG-ASA) has reported that the low-pressure area “INVEST 95W ” (as monitored by the Joint Typhoon Warning Center) has developed into a tropical depression (TD)—TD Ambo, on 10 May 2020 14:00 PHT.
The ASEAN Specialised Meteorological Centre (ASMC) reported the continued prevalence of dry weather over northern Southeast Asia and wetter conditions in the western and south-eastern parts of the region (ASMC). Rain showers with high intensity have been observed in Northern Sumatra and Central Kalimantan.
There were four (4) significant earthquakes (M≥5.0) reported to have occurred in the region. Meanwhile, two (2) volcanoes in Indonesia have recently showed volcanic activity but remain on alert level II (Waspada)-Ibu and Sangeang. Three (3) active volcanoes in Indonesia (PVMBG) on alert level III (Siaga) and one (1) active volcano in the Philippines (PHIVOLCS) on alert level 2 are all under monitoring.
The ASEAN Specialised Meteorological Centre (ASMC) forecasts a small increase in chance of a very heavy rainfall events happening in the region for the following week. This is forecasted over parts of the equatorial region particularly Sumatra and Borneo.