The southern region including Ho Chi Minh City has seen prolonged heavy rains on September 9- 10 because of influence of on-going low pressure trough and the strong operation of southwest monsoon, said the Central Hydrology Meteorology Forecast Center yesterday.
Because of the effect of the low pressure trough, 5- 8 level strong wind, cyclone, thunderstorm, heavy rains, 2- 3 meters big waves and sea rough are predicted to sweep through the southern territorial water from Binh Thuan to Ca Mau provinces and Spratly Islands.
The low pressure trough has just appeared in the northern mountain and midland provinces, which caused heavy rain on the large scale on September 7- 8.
Rainfall in the Northern provinces of Phu Tho, Thai Nguyen, Yen Bai, Ha Giang, Bac Giang and Lai Chau reached at 101- 124 mm.
2- 3 meters flood water is rising rapidly on upstream rivers in the northern region.