The probabilities of issuing severe weather warning signals
Update Time: 2024-07-21 05:00
| Signals | Forecast Period | Probability |
| Typhoon Signal No.1 | In effect | |
| Typhoon Signal No.3 | Between afternoon to evening on 21st | Medium |
| "blue" Storm Surge Warning | In effect | |
| "yellow" Storm Surge Warning | Relatively low | |
The tropical depression over the central part of the South China Sea is expected to move northwest, towards the vicinity of Hainan Island. According to the latest track forecast, it will remain over 400 km away from Macao, and will slightly strengthen. The SMG will consider to issue higher tropical cyclone warning signals, depending on the latest track and intensity changes of the tropical depression. Meanwhile, another tropical cyclone “Gaemi” is developing over the sea east of the Philippines, and it is expected to move towards the sea east of the Taiwan region.
Due to the influence of the tropical depression over the central part of the South China Sea, the weather in Macao will become windy with showers on Sunday, and there will be occasional squally thunderstorms. Therefore, flooding may occur in low-lying areas due to heavy rain.
Meanwhile, under the combined influence of the astronomical tide, flooding of 0.3 meters or below (based on the road level of Porto Interior) is forecasted to occur within the inner harbor area in the morning on Sunday and Monday. The public is advised to stay tuned with the latest weather information and take necessary precautions against strong winds and flooding.
Remarks: The probabilities of issuing severe weather warning signals for the next one or two days are provided in the table. Public can learn the possibility of being affected by the tropical cyclone over the specific period of time in Macao so that necessary precautions can be well prepared earlier. Please keep notice of our latest information.