Tropical Cyclones in 2017 > Figure 2.1

Figure 2.1     Monthly frequencies of the occurrence of tropical cyclones in the western North Pacific and the South China Sea in 2017 (based on the first occurrence of the tropical cyclone in the month; for example if a tropical cyclone forms in September and first intensifies into typhoon or above intensities in October, its related statistics for “all intensities” and “typhoon or above intensities” will be counted in September and October respectively).