Typhoon Bolaven, with the strongest wind speed of 75km per hour near its eye, entered the East Sea on Wednesday morning and become the first tropical storm to hit the East Sea this year.
The cold spell in the northern region strengthened and brought down the temperature to below 8 degrees Celsius in mountainous areas on Wednesday.
The train route connecting Hà Nội and Lào Cai Province officially re-opened early Friday morning.
A cold spell is forecast to hit the northern region from Friday early morning with the lowest temperature dropping to 10 degree Celsius in the high mountainous areas, according to the National Hydrometeorological Forecast Centre.
A cold spell is predicted to hit Hà Nội and the northern region from Saturday, causing the temperature to drop significantly.
Tropical storm Nock-ten weakened into a tropical low-pressure system this morning when it passed through the northern part of the Trường Sa (Spratly) Archipelagos.
The sea was rough from Ninh Thuận to Bà Rịa-Vũng Tàu after a tropical low-pressure that formed yesterday emerged over the western part of Trường Sa (Spratly) Archipelago this morning.