On the afternoon of April 26, monitoring satellite cloud images, weather radar images and lightning positioning showed that the thunderstorm area was developing and causing rain with thunderstorms and lightning in Binh Chanh area, Thu Duc City, District 12, Go Vap.
In the next 0 - 3 hours, thunderstorms will continue to develop, causing showers, accompanied by thunderstorms and lightning in districts such as Thu Duc City, Binh Chanh, District 12, Go Vap, Cu Chi, Tan Binh..., then gradually expanding to central districts.
Rainfall is generally from 5-25 mm, in some places over 25 mm. During thunderstorms, beware of tornadoes, hail and strong gusts of wind of about level 5-7 (8-17 m/s), heavy rain causing local flooding.
The thunderstorms are caused by the weakening of the continental high pressure tongue. Forming a low pressure trough with an axis of about 24-27 degrees North latitude. Above, the subtropical high pressure is stable.
From April 26-27, the weather in the South will be sunny during the day, with hot weather in some places, showers and thunderstorms in some places in the evening, and moderate rain in some places; during thunderstorms, beware of thunderstorms, strong gusts of wind and tornadoes, light rain in some places at night. The highest temperature ranges from 33-35 degrees Celsius, with some places in the North of Ho Chi Minh City above 35.0 degrees Celsius.
From April 28-30, the clouds will change, the weather will be sunny, some places will be hot; the rain will decrease - there will be almost no rain in the evening and at night. The highest temperature ranges from 33-35 degrees Celsius.
From May 1 to 5, the weather will be sunny in the morning and at noon, with scattered showers and thunderstorms in the afternoon and evening, with moderate rain in some places, locally heavy rain, and showers in some places at night; during thunderstorms, beware of thunderstorms, strong gusts of wind and tornadoes. The highest temperature ranges from 32-34 degrees Celsius, some places above 34.0 degrees Celsius.