This report assesses the current state of the science on the relationship between climate change and tropical cyclone (TC) activity in the Western North Pacific (WNP) basin. It focuses in particular on identifying any possible influences of anthropogenic climate change on tropical cyclone track and impact area in this region.
Two central questions that are addressed through the report are the following:
• Is there a detectable human influence on any TC metric in the Typhoon Committee region?
• What changes in TC activity are expected in the region over the 21st century as a consequence of climate warming as projected by IPCC (Intergovernmental Panel on Climate Change)?
The study also asserts that the vulnerability of coastal regions to storm surge flooding is expected to increase with future sealevel rise and coastal development, although this vulnerability will also depend on future storm characteristics.
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