According to the National Center for Hydro-Meteorological Forecasting, currently (October 3), in the Southwestern region there are localized showers and thunderstorms.

It is forecasted that today, in the Southern Central Highlands and the South, there will be scattered showers and thunderstorms, locally heavy rain with rainfall from 10-30mm, locally over 70mm.

Thunderstorms may cause tornadoes, lightning, hail and strong gusts of wind. Localized heavy rains may cause flooding in low-lying areas; flash floods in small rivers and streams; and landslides on steep slopes.

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Weather in Ho Chi Minh City in the coming days will have continuous rain. Illustration photo: Hue EX

The Southern Hydrometeorological Station also said that the Southern region and Ho Chi Minh City are mainly affected by the southern edge of the cold high pressure tongue strengthening to the south. The weak northeast wind field dominates the weather in the region with the possibility of disturbances in the low-level easterly wind zone moving into the region. From October 6, a low pressure trough will form at about 5-7 degrees north latitude, gradually lifting its axis to the north, strongly influencing the weather in the region.

Due to the conflict between weather patterns, wind disturbances appear, most days of the week are cloudy, with rain, scattered showers in many places with light to moderate rainfall, moderate rain; a few days have heavy rain in the early morning or late afternoon.

From October 3-5, the sky will be cloudy with widespread rain, with the possibility of rain in the early morning due to the impact of low-level easterly wind disturbances; the northeast wind will be weak to moderate. Temperatures will slightly decrease, highest at 30-33 degrees; lowest at 23-25 ​​degrees.

In addition, from October 6-10, the low pressure trough gradually strengthens and affects the weather in the area, so the weather is cloudy with scattered showers and thunderstorms. The highest temperature is 29-33 degrees; the lowest is 22-25 degrees.

In the immediate future, the Southern Hydrometeorological Station said that currently (10:30 am bulletin) the continental cold high pressure is stable and gradually weakening. The low pressure trough with an axis through the Central region is being compressed, weakened and gradually filling up. Above, the subtropical high pressure in the southern branch is weakening. Disturbances above operate better, dominating the South.

Monitoring satellite cloud images, weather radar images and lightning positioning shows that thunderstorms are developing and causing rain with thunderstorms and lightning in Can Gio, Binh Chanh, Districts 4, 5, 6, 8, Thu Duc City.

In the next 0-3 hours (from 10:30 am October 3), thunderstorms will continue to develop, causing showers, accompanied by
Thunderstorms and lightning for the above districts, then expanding to other neighboring areas. Rainfall is generally from 5-15mm, some places over 15mm. During thunderstorms, beware of tornadoes, hail and strong gusts of wind around level 5-7 (8-17m/s), heavy rain causing localized flooding.

In addition, Ho Chi Minh City is preparing for the high tide period in early September of the lunar calendar. The peak tide coincides with the forecast of heavy rain in the coming days. Rain combined with high tides can cause more severe flooding in areas along rivers and canals due to slow drainage.

Warning of heavy rain in the South

According to the Southern Hydrometeorological Station, this morning (October 3), combined with monitoring on satellite cloud images, lightning location data and weather radar images, convective clouds continue to develop in the provinces of Kien Giang; An Giang; Dong Thap; Vinh Long; Tay Ninh; Binh Duong (Ben Cat, Tan Uyen); Dong Nai (Trang Bom, Thong Nhat, Long Thanh); Ba Ria - Vung Tau (Vung Tau City); Ho Chi Minh City (Can Gio, District 9, Binh Chanh, Nha Be); Tien Giang; Ben Tre; Vinh Long (Vung Liem, Binh Tan); Tra Vinh; Soc Trang and Can Tho. Cloud nests tend to move less but will expand.

From now (from 10am on October 3) to the next 4 hours, this convective cloud area will cause showers and thunderstorms in the above-mentioned area and surrounding areas. Some places will have rain with an amount of ~30mm/2h. During the thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

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