According to the National Center for Hydro-Meteorological Forecasting, at 4 AM on July 17, the center of the storm was located at approximately 20 degrees North latitude and 113.5 degrees East longitude, about 340 km southeast of the Leizhou Peninsula (China). The maximum wind speed near the storm’s center was rated at level 11-12 (103-133 km/h), with gusts reaching level 15.
From the night of July 17 to July 20, heavy to very heavy rain is expected in the northern region, with rainfall generally ranging from 200-400 mm, and locally exceeding 500 mm; in Thanh Hoa and Nghe An provinces, moderate to heavy rain is expected, with some areas experiencing very heavy rain and rainfall generally between 100-200 mm, with localized amounts above 300 mm. There is a potential risk of urban flooding due to intense rainfall.
Heavy rain follows several days of storms and prolonged heat over the past 10 days, combined with forthcoming rain, which heightens the risk of flash floods and landslides starting July 18 in the northern region, with a high risk noted in the provinces of Quang Ninh, Lang Son, Cao Bang, Ha Giang, Lao Cai, and Yen Bai.
From early morning on July 18, the coastal area from Quang Ninh to Nam Dinh will see increasing winds up to levels 6-7, later reaching level 8, and near the storm’s center, levels 9-10, with gusts of level 13; inland areas in the northeastern region will experience strong winds of levels 6-7, with gusts of level 9.
The northern waters of the North East Sea will have strong winds at levels 8-9, with areas near the storm center experiencing levels 11-12, and gusts reaching level 15. The sea will be rough.
Starting from the afternoon of July 17, North Gulf of Tonkin (including the islands of Bach Long Vi and Co To) will see increasing winds reaching levels 6-7, later increasing to levels 8-9, with areas near the storm center at levels 10-11, and gusts at level 14. The sea will be rough.
The Central Highlands and Southern regions will experience moderate rain, heavy rain, and thunderstorms, with localized heavy rain expected, generally ranging from 60-120 mm, and some areas exceeding 150 mm.
There is a potential risk for flash floods and landslides in mountainous areas, as well as flooding in low-lying regions; caution is advised for intense, short-duration rainfall that may cause urban flooding. Thunderstorms may also bring whirlwinds, lightning, hail, and strong gusts.
From around the afternoon of July 17, North Gulf of Tonkin (including the islands of Bach Long Vi and Co To) will see increasing winds reaching levels 6-7, later increasing to levels 8-9, with areas near the storm center at levels 10-11, and gusts reaching level 14. The sea will be rough.
Storm path and position at 2 AM on July 17. (Photo: thoitietvietnam).
Weather forecast for regions across the country:
The weather in Hanoi will be cloudy, with hot weather during the day, and some areas experiencing extreme heat; at night, there will be scattered rain and thunderstorms. Winds from the north to northwest at levels 2-3; from early morning tomorrow, winds will gradually increase to levels 3-4. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 25-27 degrees Celsius, and the highest temperature will be 35-37 degrees Celsius, with some areas exceeding 37 degrees Celsius.
The provinces in the Northwest will be cloudy, with hot weather during the day, and some areas experiencing extreme heat; at night, there will be scattered rain and thunderstorms. Light winds. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 25-28 degrees Celsius, with some areas below 24 degrees Celsius. The highest temperature will be 34-37 degrees Celsius, with some areas exceeding 37 degrees Celsius.
The Northeast region will be cloudy, with hot weather during the day, and some areas experiencing extreme heat; at night, moderate to heavy rain is expected, with some areas experiencing very heavy rain and scattered thunderstorms. Winds from the north to northwest at levels 2-3; from early morning tomorrow, winds will gradually increase to levels 3-4, and in coastal areas from Quang Ninh to Nam Dinh, winds will increase to levels 6-7, with gusts at level 9. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 24-27 degrees Celsius, and in mountainous areas, it may drop below 24 degrees Celsius. The highest temperature will be 34-37 degrees Celsius, with some areas exceeding 37 degrees Celsius.
The Central provinces from Thanh Hoa to Thua Thien – Hue will be mostly cloudy, with scattered rain and thunderstorms during the day, and some areas experiencing rain and thunderstorms at night. Winds from the west to southwest at levels 2-3. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 26-29 degrees Celsius. The highest temperature will be 32-35 degrees Celsius.
The provinces and cities from Da Nang to Binh Thuan will be cloudy, with sunny weather, and some areas in the north experiencing heat; in the late afternoon and evening, there will be scattered rain and thunderstorms. Winds from the southwest at levels 2-3. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 26-29 degrees Celsius. The highest temperature will be 32-35 degrees Celsius, with some areas in the north exceeding 35 degrees Celsius.
The Central Highlands will be mostly cloudy, with scattered rain and thunderstorms, and in the afternoon and evening, moderate to heavy rain is expected, with some areas experiencing very heavy rain and scattered thunderstorms. Winds from the southwest at levels 2-3. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 20-23 degrees Celsius. The highest temperature will be 26-29 degrees Celsius.
The Southern region will be mostly cloudy, with scattered rain and thunderstorms, and in the afternoon and evening, moderate to heavy rain is expected, with some areas experiencing very heavy rain and scattered thunderstorms. Winds from the southwest at levels 2-3. Thunderstorms may bring whirlwinds, lightning, and strong gusts. The lowest temperature will be 23-26 degrees Celsius. The highest temperature will be 30-33 degrees Celsius, with some areas exceeding 33 degrees Celsius.
