On December 21st, day and night, the Northern region will experience sunny weather during the day and no rain at night, with some areas experiencing fog in the early morning; light winds. Cold weather in the early morning and at night. The Southern region will have sunny weather during the day, with scattered showers and thunderstorms in the late afternoon and evening.
According to the National Center for Meteorological and Hydrological Forecasting, on December 21st, the southern low-pressure trough, with its axis at approximately 4-7 degrees North latitude, is connected to a low-pressure area located at approximately 3.9-4.9 degrees North latitude and 110.8-111.8 degrees East longitude at 1 AM. Therefore, on December 21st, both day and night, the southern South China Sea (including the sea area around the Spratly Islands) will experience scattered showers and thunderstorms; during thunderstorms, there is a possibility of tornadoes and strong gusts of wind at levels 7-8.
Warning: On December 22nd, day and night, the northern South China Sea (including the waters around the Paracel Islands) will experience northeasterly winds of force 7, gusting to force 8-9; rough seas; and waves 4-6 meters high.
In the sea area from Quang Ngai to Ca Mau , the central part of the East Sea, and the western part of the South East Sea (including the western part of the Truong Sa archipelago), strong northeasterly winds of force 6, sometimes force 7, gusting to force 8-9, will cause rough seas with waves 3-5 meters high.
In the area from Quang Tri to Quang Nam , strong northeasterly winds of force 6, gusting to force 8, will cause rough seas with waves 2-4 meters high.
In the Gulf of Tonkin, strong northeasterly winds of force 5, sometimes force 6, gusting to force 7-8, will cause rough seas with waves 1-2.5 meters high. The risk of natural disasters due to strong winds at sea is level 2. All vessels operating in these areas are at high risk of being affected by tornadoes, strong winds, and high waves.
Weather forecast for various regions on December 21st, day and night: Northwest region: Sunny during the day, no rain at night, some fog in the early morning; light wind. Cold in the early morning and at night.
- The lowest temperature will be 18-21 degrees Celsius, with some areas experiencing temperatures below 17 degrees Celsius.
- Maximum temperatures will be 26-29 degrees Celsius, with some areas exceeding 29 degrees Celsius.
Northeastern Vietnam: Sunny during the day, no rain at night, foggy in some areas in the early morning. Northeast wind at level 2-3. Cold in the early morning and at night.
- The lowest temperature will be 18-21 degrees Celsius, with some mountainous areas experiencing temperatures below 17 degrees Celsius.
- Maximum temperatures will be 26-29 degrees Celsius, with some areas exceeding 29 degrees Celsius.
Hanoi Capital: Sunny during the day, no rain at night. Northeast wind at level 2-3. Cold in the early morning and at night.
- The lowest temperature will be 19-21 degrees Celsius.
- Maximum temperature 27-29 degrees Celsius.
Provinces from Thanh Hoa to Thua Thien-Hue: - The northern part (Thanh Hoa-Nghe An) will be cloudy with scattered rain; the southern part will be mostly cloudy with rain, showers, and locally heavy rain, especially in Thua Thien-Hue where there will be moderate to heavy rain and thunderstorms at night. North to Northwest winds at level 2-3. The northern part will be cold in the morning and at night.
- The lowest temperature is 20-23 degrees Celsius.
- Maximum temperatures will be 24-27 degrees Celsius, with some areas exceeding 27 degrees Celsius.
Provinces and cities from Da Nang to Binh Thuan, northern part (Da Nang to Binh Dinh): - Cloudy, rain and showers during the day, with thunderstorms in some areas, locally heavy rain; moderate to heavy rain at night, with very heavy rain and thunderstorms in some areas; southern part cloudy, with scattered showers and thunderstorms; northeast wind at level 2-3.
- The lowest temperature is 23-26 degrees Celsius.
- Maximum temperatures will be 26-29 degrees Celsius, and 30-33 degrees Celsius in the South.
Central Highlands region: Sunny during the day, with scattered showers and thunderstorms in the evening and at night. Northeast wind at level 2-3.
- The lowest temperature will be 19-22 degrees Celsius.
- Maximum temperatures will be 26-29 degrees Celsius, with some areas exceeding 29 degrees Celsius.
Southern region: Sunny during the day, with scattered showers and thunderstorms in the evening and at night. Northeast wind at level 2-3.
- The lowest temperature is 24-27 degrees Celsius.
- Maximum temperature: 31-34 degrees Celsius.
Source: VNA
Source: https://baophutho.vn/thoi-tiet-ngay-va-dem-21-12-bac-bo-co-suong-mu-troi-ret-224973.htm
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