The South is experiencing the heaviest rain since the beginning of the year. On September 21-22, many places recorded rainfall of over 100 mm in 24 hours. Notably, Nha Be recorded up to 249 mm on September 21.
Forecast for today (September 23), the tropical convergence zone will continue to operate strongly, while the low pressure area at sea tends to move into the mainland of the South.
This is likely the worst weather day in this heavy rain spell. The South is cloudy, rain appears early and may occur on a large scale. The highest temperature in the day decreases, commonly 28-31 degrees C.
Rain may last, mainly concentrated from noon, afternoon to evening and possibly continue at night. Many areas are at risk of deep flooding, including Ho Chi Minh City. During thunderstorms, people need to be wary of tornadoes, lightning and strong gusts of wind.
On September 24-25, the intertropical convergence zone will still be maintained, but the low pressure area tends to move westward. The weather in the South continues to have widespread rain, but the intensity of heavy rain is forecast to decrease compared to September 23.
Rain mainly appears at noon, afternoon and evening, with showers, scattered moderate rain, heavy rain and thunderstorms; locally very heavy rain.
The peak of heavy rain is still likely to last for the next 2-3 days. People need to closely monitor weather developments, proactively reinforce houses, protect property and limit moving through deep flooded areas, places at risk of landslides or fallen trees.
From September 26th, rain in the Southern region is forecast to continue to gradually decrease in both area and amount.
