Frequency analysis of heavy rainfall related to synoptic weather patterns in Kyushu Island, Japan by using the Self-Organizing Map (SOM)
Recently heavy rainfall frequency in Kyushu Island, the southwestern part of Japan, during the rainy season, has been increasing due to possibly climate change, global warming. Owing to the recent increase of heavy rainfall frequency, natural disasters related to heavy rainfall including flooding and landslides have occurred and caused serious damages to infrastructures and human lives. Therefore,
