The cold air has weakened to the East but will strengthen again in the North on the evening of December 11. This will be a strong strengthening period and will last for a few days.
The low pressure trough has an axis at about 4-7 degrees North latitude, from December 11 to 14 it will slightly lift its axis to the North. Above, the subtropical high pressure has stable intensity, from about December 16 it will weaken in intensity and gradually withdraw its circulation to the East.
The Ho Chi Minh City area is affected by the southern edge of the cold high pressure tongue and the northern low pressure trough combined with easterly wind disturbances moving into the area in the first half of the week. In the second half of the week, the low pressure trough and easterly wind disturbances weaken, the area is only mainly affected by the southern edge of the slowly weakening continental cold high pressure tongue.
Therefore, the weather in the Southern region from December 11 to 15 will have an unseasonal rain with scattered rain and the possibility of moderate to heavy rain in some places. The remaining days will have no rain or insignificant light rain.
The lowest temperature drops, at night and early morning it is cold, some days there is light fog in the early morning. The highest temperature is 29-33 degrees Celsius, the lowest is 23-25 degrees Celsius.
In the coastal areas of Ho Chi Minh City, the weather at sea has scattered showers and thunderstorms. Beware of tornadoes and gusts of wind during thunderstorms. Northeast wind is generally level 5, sometimes level 6; from December 14-18, it is likely to increase to level 6, level 7.
