Bão số 12 sẽ đạt cấp độ mạnh nhất khi ở Bắc Biển Đông | VTV24

Key Concepts

• Bão số 12 (Typhoon No. 12): The main weather event discussed, its trajectory, and potential intensification.
• Không khí lạnh (Cold air): A significant factor interacting with the typhoon and causing specific weather patterns.
• Nhiễu động gió đông ở trên cao (Upper-level easterly disturbances): Another contributing factor to heavy rainfall in Central Vietnam.
• Hoàn lưu bão (Typhoon circulation): The system of winds rotating around the typhoon's center, bringing moisture.
• Mây dông (Thunderclouds): Clouds that develop due to the convergence of moisture and cold air, leading to heavy rain.
• Mưa lớn diện rộng (Widespread heavy rain): The primary impact on Central Vietnam.
• Lũ trên sông (River floods): Expected consequence of heavy rainfall in Central Vietnam.
• Báo động 3 (Level 3 alert): The flood warning level for rivers in Central Vietnam.
• Biển động dữ dội (Violently rough seas): The condition of the sea due to the typhoon.
• Khối không khí lạnh khô (Mass of dry cold air): Affecting Northern Vietnam.
• Mưa rào (Showers): Expected in Southern Vietnam.
• Ngập úng vùng trũng thấp (Flooding in low-lying areas): A risk in both Central and Southern Vietnam.
• Sạt lở đất và lũ quét (Landslides and flash floods): A risk in mountainous areas of Central Vietnam.

Weather Forecast and Analysis

Impact of Typhoon No. 12 and Cold Air on Central Vietnam

The primary focus of the discussion is the combined effect of Typhoon No. 12 and a cold air mass on Central Vietnam. While Typhoon No. 12 itself might not cause strong winds directly on land, its circulation, when combined with cold air and upper-level easterly disturbances, is predicted to bring significant rainfall to the region.

• Mechanism of Heavy Rainfall: The typhoon's circulation will bring abundant moisture from the sea. This moisture will then converge with the descending cold air, leading to strong updrafts and the development of thunderclouds.
• Affected Areas and Timeline: A widespread heavy rain event is forecast for the area from Ha Tinh to Quang Ngai, starting from Wednesday of the current week and continuing until the following Monday.
• Flood Warnings: Rivers in the region from Quang Tri to Quang Ngai are expected to rise. Localities in these areas are advised to prepare for flood levels that could reach Level 3 alert or higher.
• Typhoon's Trajectory and Intensity: Currently, Typhoon No. 12 is causing adverse weather at sea. It is predicted to move west-northwest and may intensify to Level 11 winds within the next 24 hours. Subsequently, due to interaction with the cold air, the typhoon is expected to change direction to southwest and gradually decrease in intensity.
• Sea Conditions: From today until October 22nd, the northern part of the East Sea, including the Paracel Islands (Hoang Sa), will experience strong winds ranging from Level 7 to Level 11, with gusts up to Level 13, resulting in violently rough seas.

Current Weather Conditions Across Vietnam (Today)

The transcript provides a breakdown of the weather across different regions of Vietnam for the current day.

• Northern Vietnam: Due to the continuous southward movement of cold air, Northern Vietnam is currently under a mass of dry cold air. From morning to noon, sunny weather is expected, with temperatures generally ranging from 28°C to 32°C. During the night and early morning, temperatures will drop sharply to between 18°C and 22°C.
• Central Vietnam (North-Central and South-Central): From Nghe An down to Quang Ngai, as well as along the coast of Gia Lai and Dak Lak, heavy rain exceeding 90 mm is forecast for today and tonight. Warnings are issued for potential flooding in low-lying areas, landslides, and flash floods in mountainous regions. Due to ongoing rain, the weather in Central Vietnam will remain overcast. Temperatures in this region will generally be between 29°C and 32°C, with some areas potentially exceeding 33°C.
• Southern Vietnam: Southern Vietnam will experience strong sunshine during the day, with the highest temperatures in Ninh Kieu (Can Tho City), Bac Lieu (Bac Lieu Province), Tan Ninh (Tay Ninh Province), and other areas ranging from 31°C to 34°C. Specifically, Ben Thanh Ward (Ho Chi Minh City) and Bien Hoa City (Dong Nai Province) could reach 34°C. However, showers are expected in many places in the late afternoon and evening, with some areas experiencing moderate to heavy rain. The risk of flooding in low-lying areas and urban zones is noted.

Sea Weather Conditions

• Paracel Islands (Hoang Sa): Today, winds will strengthen to Level 7 to Level 8, and near the typhoon's center, they could reach Level 9 to Level 11 with gusts up to Level 13, causing violently rough seas.
• Spratly Islands (Truong Sa): The weather in the Spratly Islands will be good, with sunny skies and winds at Level 3 to Level 4.

Conclusion and Key Takeaways

The summary concludes by reiterating the main points:

• From tonight, Northern Vietnam and Thanh Hoa will experience cooling temperatures, with mountainous areas becoming cold.
• While Typhoon No. 12 is not expected to cause strong winds on land, its circulation, combined with cold air and easterly disturbances, will bring heavy rain to Central Vietnam starting from Wednesday.
• The public is advised to pay attention to these weather developments.