According to the National Hydrology Meteorology Forecast Center, the cold air mass continues strenghthening to hit the country today; and it will operate stronger by this night.
Since tonight, the lowest temperature in the Red Delta region is expected to drop down 8- 11 degrees Celsius and 3- 7 degrees Celsius in the mountainous areas.
Frost and hoarfrost are warned to appear in the mountainous areas.
By the early morning tomorrow, both north and mid- central region are going to see medium- heavy rain. The lowest temperature in Hanoi could reach at 9-12 degrees Celsius.
The Gulf of Tonkin, the central and southern offshore waters, the southern territorial water of the East Sea including the Spratly Islands will see the northeast wind of level 6-9, and up to level 7-10 in the north and mid- East Sea including the Paracel Islands.
Within next 24 hours, the tropical storm is forecast to slowly move the west- northwestward at a speed of 5 kilometers per hour. By 7pm today, its eye will be located at 11.8 degrees north latitude and 125.5 degrees east longitude of the eastward of the Philippines’ central region. The powerful wind near the center will gust 60- 75 kilometers an hour.
Kaitak is predicted to move the westward at a speed of 5 kilometers an hour in next 24- 48 hours.