Forecasts indicate a potential tropical cyclone in the northern part of East Sea around June 23.

According to the National Center for Hydro-Meteorological Forecasting, the Northern Delta, midlands, and Hoa Binh have been enduring hot weather for nearly a week due to the influence of a low-pressure area in the West and the Foehn wind effect. Temperatures have reached between 36-39 degrees Celsius, with some areas exceeding 39 degrees Celsius.

Today (June 19), the Northern Delta, Hoa Binh, and the Central region from Thanh Hoa to Thua Thien-Hue are experiencing extreme heat, with temperatures at 1 pm exceeding 38 degrees Celsius in some places, such as Lang Street (Hanoi) at 38.5 degrees Celsius, Tinh Gia district (Thanh Hoa province) at 38.9 degrees Celsius, Do Luong district (Nghe An province) at 38.6 degrees, and Huong Khe district (Ha Tinh province) at 38.4 degrees Celsius. Relative humidity is between 45-55%.

On June 20-21, the Northern Delta, Hoa Binh, and regions from Thanh Hoa to Thua Thien Hue will continue to face severe heat, with the highest temperatures ranging from 36-39 degrees Celsius, and some areas exceeding 39 degrees Celsius. The lowest relative humidity will be between 40-45%.

In the mountainous and midland areas of the North, and from Da Nang to Ninh Thuan, temperatures will range from 35-38 degrees Celsius, with some areas above 38 degrees Celsius. Relative humidity will be between 50-60%.

From the night of June 22-23, the North is expected to see scattered showers and thunderstorms, particularly in the evenings and at night, leading to a gradual decrease in heat from June 23.

The Central region will continue to experience intense heat for the next few days. From June 22, areas from Thanh Hoa to Thua Thien Hue will remain hot, with a gradual decrease in heat expected from June 23-24. From the evening of June 24, scattered showers and thunderstorms are likely.

Following many days of intense heat, the arrival of thunderstorms brings risks of tornadoes, lightning, hail, and strong gusts of wind. Heavy rain may lead to flash floods in small rivers and streams, landslides on steep slopes, and flooding in low-lying areas. Urban areas may experience short-term flooding due to heavy rain.

The Central Highlands and Southern regions will continue to have sunny weather, with some areas experiencing heat. However, scattered showers and thunderstorms are expected in the afternoons and evenings, with localized heavy rain anticipated from June 21-25.

Weather forecasts for Ho Chi Minh City indicate that the next 10 days will be influenced by a low-pressure trough with an axis of about 24-27 degrees North latitude, connecting with the hot low-pressure area in the West. The subtropical high pressure over the South Central region will continue to maintain, and the Southwest monsoon will operate at moderate intensity.

From June 23, a low-pressure trough with an axis over the North will strengthen, raising the possibility of a tropical cyclone in the North of the East Sea.

The central and southern East Sea, including the Truong Sa archipelago, along with the sea from Ca Mau to Kien Giang and the Gulf of Thailand, will experience showers and strong thunderstorms. These conditions bring the risk of tornadoes and strong gusts of wind at levels 6-7, with wave heights possibly exceeding 2 meters.

The sea from Binh Thuan to Ca Mau will face strong southwest winds at level 5, sometimes reaching level 6, with gusts at levels 7-8, leading to rough seas and wave heights from 1.5-2.5 meters.

All ships operating in these areas are at high risk of being affected by tornadoes, strong gusts of wind, and large waves.

Bao Anh