Bangkok is experiencing its worst flooding in 15 years, according to Thai reporting, with thousands of residents evacuating low-lying neighborhoods and stocking up on food and water as rising waters spread through the capital.
Bangkok sits on the low, flat delta of the Chao Phraya River, which makes it naturally vulnerable to flooding during Thailand's annual monsoon season, when heavy seasonal rains swell rivers and canals across the country between roughly June and October. The city has faced serious flooding before, most notably in 2011, when months of monsoon rain combined with runoff from the country's north put large parts of the capital and its surrounding industrial areas underwater for weeks, disrupting manufacturing supply chains that reached well beyond Thailand's borders. Since then, Thai authorities have invested in flood walls, pumping stations and drainage improvements meant to protect the city, though unusually heavy rain years continue to test those defenses.
Residents in affected areas have been moving belongings to higher ground and relying on community shelters as the water rises, a familiar but disruptive routine for a city that has learned to live with seasonal flood risk. Small shops and markets in low-lying districts have been particularly affected, with some closing temporarily as streets became impassable. Local authorities have been coordinating evacuation efforts and supply distribution as the situation develops, and transport disruptions have added to the strain on daily life in a metropolitan area of more than ten million people.
The key question in the coming days is whether rainfall eases enough for water levels to recede, or whether additional rain further strains the city's flood defenses.
Why does Bangkok flood so often?
It sits on the low, flat delta of the Chao Phraya River, which makes it vulnerable to flooding during Thailand's monsoon season.
Has Bangkok seen flooding this severe before?
The city's last major flood crisis was in 2011, when extended monsoon rains left large parts of the capital underwater for weeks.