Da Nang could face mostly cloudy skies and downpour triggered by the storm Chaba that is lying over the East Sea. The Da Nang Steering Committee for Disaster Response and Search and Rescue has urged authorities at local level and relevant agencies to take proactive and necessary mitigative measures in response to the influence of storm Chaba. All fishing vessels that are operating in the East Sea and the Gulf of Tonkin have asked to return to shore to find shelter in order to stay safe during severe weather.

National weather forecasters are keeping an eye on storm Chaba in the East Sea, and they are expecting it to grow stronger.

In its latest bulletin, Viet Nam’s National Centre for Hydro-Meteorological Forecasting said at 4:00am on Friday, July 1, the storm’s center was already located about 360km northeast of the Hoang Sa (Paracel) Islands. The maximum sustained winds reaching level 10 (89-102kmph), and the gusts as high as level 12 will affect areas near the storm’s center. The radius of strong winds at level 6 and gustiness of level 8 was about 150km from the storm’s center.

Environmental conditions are forecast to be conducive for development while the storm continues to move generally northwestward at 15 kmph, and it is expected to grow even stronger.

At 4:00am on Saturday, July 2, the storm’s center will lie to the northeast of China's Hainan Island, about 400km southeast of Quang Ninh. The area near the center of the storm will experience strong winds at levels 10 to 11 (89-117kmph) and the gusts as high as level 13.

Over the next 24 hours, the danger area in the East Sea Sea around the tropical storm which is located at latitude 16°N and longitude 109°'E- 116°5'E, could see strong winds at level 6 or higher, and the gusts as high as level 8 or higher. Warning for strong winds, and big waves has been issued for all vessels operating in the danger area.

From 4:00 am on Saturday into 4:00 am on Sunday, July 3, the storm will continue to move toward the northwest at 10-15kmph.

At 4:00am on Sunday, July 3, the system’s center will be positioned right on the mainland southeast of China’s Guangxi Province, about 170km northeast of Quang Ninh Province. The maximum sustained winds reaching level 8 (62-74kmph), and the gusts as high as level 10 will affect areas near the storm’s center.

Over the next 24 to 48 hours, an advisory for strong winds, rough seas and high waves along with warning for level 3 natural disaster risk has been issued for all vessels operating in the potentially dangerous area which is set to be located at latitude 18°N and longitude 106°5 'E - 114°E.

From 4:00 am on Sunday into 4:00 am on Monday, July 4, the storm will continue moving northwestward at 10kmph and then weaken into a tropical depression.

At 4:00am on Monday, July 4, the system’s center will be positioned at about 200km North of Quang Ninh Province. The area near the center of the storm will experience strong winds at level 6 (39-49kmph) and the gusts as high as level 8.

From 4:00 am on Monday into 4:00 am on Tuesday, July 5, the depression will continue moving northwestward at 10-15kmph and it will likely tend to weaken gradually.

The northern part of ​​the East Sea (including the waters of the Hoang Sa Islands) will see strong winds at levels 8 to 9. The maximum sustained winds reaching levels at 10 to 11, and the gusts as high as level 13 will affect areas near the storm’s center with rough seas and waves as high as 5m to 7m.

The national forecasters has issued a warning for high tides and big waves that will create the potential for flooding in low-lying areas for northern coastal parts from Quang Ninh to Ninh Binh.

The offshore area stretching from Binh Thuan to Ca Mau, the middle and south of the East Sea (including the waters of the Truong Sa Islands),  will see gradually increasing the southwest wind at levels 6 to 7, and the gusts reaching levels 8 to 9, and experience rough seas with waves as high as 2-4m.

Widespread heavy rainfall and thunderstorms warning has been issued for Northern Viet Nam from Saturday night into Thursday, July 7. Thunderstorms can produce tornadoes, lightning, hail and strong winds, national forecasters has warned.

Forecasters have also issued warnings of flash floods and landslides for mountainous areas in Northern Viet Nam, and localized flooding alerts are in place in low-lying and riverside areas. The advisory urges residents to ‘be aware’ of inclement weather. Local residents are advised to get ready for such weather conditions in an attempt to reduce the risk of possible damages.

On Friday, the parts from Thanh Hoa to Thua Thien-Hue will likely see scattered showers and thunderstorms with the possibility of moderate to heavy rainfall at isolated locations. The total rainfall amount will be 10mm-30mm in common in the region while more than 50mm of rain could fall in some places. Maximum temperatures in these areas are expected to hover around 30-33 degrees Celsius, while minimum temperature will be in the range of 25-28 degrees Celsius.

Today expects the sky to remain mostly cloudy over the parts from Da Nang to Binh Thuan. Furthermore, scattered showers and isolated thunderstorms are forecast for the northern part of the region during the daytime while there is a chance of scattered rainfall and thunderstorms during night hours. Showers with thunderstorms are likely to occur in southern part of the region during late afternoon and night hours. Temperatures in these areas can expect lows of 25 to 28 degrees Celsius and highs of  32 to 35 degrees Celsius.

The forecast has indicated the possibility of scattered showers and thunderstorms over Central Highlands during later afternoon and evening hours with a chance of heavy rains at isolated locations. Maximum and minimum temperatures will hover around 32-35 degrees Celsius and 25-28 degrees Celsius.

There are weather warnings for strong gusty winds and tornadoes, lightning, hail for these areas.

Reporting by TTXVN/ Vietnam+ - Translating by H.L