Difference of the Climatological Monthly Frequency of the Explosive Cyclones in the Northwestern Part of the Pacific and the Atlantic

Takumi Tsukijihara, Kumamoto University, Kumamoto, Japan, Tomohiko Tomita, Kumamoto University, Faculty of Advanced Science and Technology, Kumamoto, Japan and Koki Iwao, National Institute of Technology, Kumamoto College, Yatsushiro, Japan