Warning is prepared by the hong kong observatory at 3 hourly intervals whenever a tropical cyclone is located within the warning area 当有热带气旋集结在警报区域内,天文台会每隔3小时发出热带气旋警报。
2.
10 - 30n and 105 - 125e . warning is prepared by the hong kong observatory at 3 hourly intervals whenever a tropical cyclone is located within the warning area 当有热带气旋集结在警报区域内,天文台会每隔3小时发出热带气旋警报。