there is typhoon in the cities that are near to the sea ,such as guangdong province ,as for typhoon, there is something wo need to know.A Pacific typhoon or tropical storms is a tropical cyclone that forms in the northwestern pacific Ocean ,The basin is demarcted within the Pacific Ocean from Asia,north of the equator,and west of the international date line.Storms from the Eastern and Central Pacific crossing the date line are  re-designated as typhoons . This basin features the strongest cyclones on record.Typhoon season include the entirely of the calendar  year ,Most storms tend to form between May and November ,although they can occur at other times of  the year as well.