Abstract We surveyed the relationship between scale of space weather events and their occurrence rate in Japan, we discussed social impact these phenomena during Project for Solar–Terrestrial Environment Prediction (PSTEP) 2015–2019. The information was compiled domestic users forecasts appropriate preparedness against disasters. This paper gives a comprehensive summary survey, focusing on fiel...

Summary Over the past 70 years, world has established an impressive history of international co-operation on weather monitoring via satellite, but this not always been consistent. Following launch first satellites, World Weather Watch system was established, and United States engaged in bilateral data exchange with Soviet Union. However, more recently, area challenging. While continues to opera...