This article discusses typhoons in Japan, including what they are, where they form, when the typhoon season occurs, the impact of typhoons on Japan, and how to prepare for typhoon season. Typhoons are tropical cyclones that form near the Philippines or in the South China Sea and can bring heavy rains and strong winds to Japan's main islands. The official start of typhoon season is June 1st each year and runs until November 30th each year with peak activity during August and September. Preparations should include staying informed about current weather conditions and having an emergency plan ready in case of power outages.