At moment, one of the tropical low pressure systems has moved slowly the west- northwestwards of Philippines.
Its eye was located at 27.25 degrees north latitude and 160 degrees east longitude.
The National Hydrology Meteorology Forecast Center also issued a weather report that both the north and north- central region would continue suffering heavy rains on the large scale by July 22 with the highest rainfall of 66- 129 mm because of an impact of powerful operation of the northwest and southeast low depression trough in combination with the southeast monsoon.
The Central Steering Committee on Natural Disaster Prevention and Control said that floodwater began rising rapidly on Red river system after the Son La and Hoa Binh decided to release water.
This morning, water level in the Red downstream river was measured at 6.45 meters, and 2.67 meters in the Thai Binh downstream river.
In the southern region, water level in the Nine Dragon upstream river system is rapidly rising; and the highest water level at Tan Chau and Chau Doc Station are forecast reaching at 2.72 meters and 2.32 meters respectively.