ASEAN Week 42: 9 Disasters; Thailand Floods Affect 1.9M Households
Nine disasters reported across ASEAN in Week 42; Thailand's ongoing floods have affected nearly 1.9 million households and killed 80, with more rain forecast.
The story in focus
Nine disasters were reported across ASEAN in Week 42 of 2026, including droughts, floods and storms. Thailand's flooding since 16 September has affected 1,897,828 households and killed 80 people; waters are receding, but heavy rain is forecast from 19 to 25 October.
- Nine disasters were reported across ASEAN in Week 42 of 2026.
- Thailand's floods since 16 September affected 1,897,828 households and killed 80.
- Flooding continues in 22 Thai provinces and Bangkok, affecting about 604,000 households.
Regional disaster picture
The ASEAN Weekly Disaster Update for Week 42 of 2026 reports nine disasters across the region, spanning droughts, floods, storms and wind-related events. National agencies in Cambodia, Indonesia, Malaysia, the Philippines and Thailand reported incidents during the week.
In Indonesia, the disaster agency BNPB continued to report drought persisting from previous months across several provinces and flooding in North Sumatra. Malaysia's NADMA reported floods, storms and wind-related disasters in Perak, Pulau Pinang, Kedah, Pahang and Selangor. The Philippines' NDRRMC and DSWD reported flooding in South Cotabato, while Cambodia's NCDM reported flooding in Oddar Meanchey.
Thailand floods
Thailand's Department of Disaster Prevention and Mitigation reported flooding that began on 16 September and has now affected 50 provinces and Bangkok. Cumulative impacts include 1,897,828 households, or 5,839,856 people, and 80 deaths.
As of 19 October at 0600 UTC+7, flooding continued in 22 provinces and Bangkok, with about 604,000 households, or 1.8 million people, still affected. Water levels were receding in all areas. Bangkok had the largest number of affected households at 211,000, followed by Pathum Thani with 107,000.
Authorities, the military, police and volunteers were supporting evacuation, drainage and relief distribution. Thailand's meteorological department forecast heavy to very heavy rain in the Southern and Eastern regions on 19–20 October, and increasing rainfall from 21 to 25 October in the lower Northeast, Central region, Bangkok and vicinity, East and upper South, with a risk of flash floods, runoff and landslides.
Cyclone and outlook
Tropical Cyclone CHAMPI over the west Pacific reached super typhoon level and was forecast to move west-northwestward into the Philippine Area of Responsibility toward Taiwan. Landfall over the mainland Philippines was not expected, but heavy rainfall was forecast over Extreme Northern Luzon.
The ASEAN Specialised Meteorological Centre predicted drier than usual conditions over most of the southern ASEAN region and warmer than usual conditions over most of ASEAN in the coming week.
The AHA Centre said it was monitoring the flood situations and stood ready to provide support if needed.
How many people in Thailand have been affected by flooding since 16 September?
Thailand's flooding has affected 1,897,828 households, or 5,839,856 people, and killed 80, according to the disaster prevention department. As of 19 October, about 604,000 households remained affected.
Sources & further reading
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