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"Almost continuous rain from 24 September brought close to 300 mm to Bangkok in about 48 hours – equivalent to over half of London’s yearly average. All 50 districts of the capital were declared a disaster zone, schools closed and a two-day civil service holiday was declared due to the heavy rain. By 29 September, the floods affected about 2.6 million people across 29 provinces, and at least 23 people had died. Across the border with Myanmar, the rain damaged infrastructure as well as crop fields."

"ClimaMeter’s analysis found that For weather patterns like the one behind the Bangkok area floods, rainfall over the Gulf of Thailand is now about 20-25% heavier and winds about 30% stronger than in the past (1950-1987), with temperatures about 0.5°C higher.The largest increases are found along the eastern shores of the Gulf of Thailand and the Andaman coast of Myanmar; over Bangkok itself the rainfall increase is smaller (about 4%) and not statistically significant. About 14 million people and 134 billion USD (around €123 billion) of economic activity were exposed within the rainfall-hazard area. Of the resulting rain-linked damages, an estimated 5% is attributable to human-driven climate change.Both human-driven climate change and natural climate variability, notably the Atlantic Multidecadal and Pacific Decadal Oscillations, contributed to the event."

"Image: People walk past abandoned vehicles on the flooded Phetchaburi Road in Bangkok, Thailand. [Lillian Suwanrumpha/AFP]"

"On September 21 , the typhoon triggered landslides and flooding around Tokyo that killed seven people and left five missing, cut power to some 58,000 households in Chiba Prefecture and damaged more than 460 houses. The island of Oshima recorded 832 mm of rain in 48 hours, more than double its average for the whole of September. The densely populated Kanto plain around Tokyo, Yokohama and Chiba is among the most exposed regions on Earth to typhoon rainfall and flooding."

Key Topics & Focus Areas for climameter.org:

ClimaMeter is a rapid framework for understanding extreme weather events in a changing climate based on looking at similar past weather situations.  ClimaMeter is hosted by the Institut Pierre Simon Laplace.

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