On the afternoon of July 17, monitoring on satellite cloud images, weather radar images and lightning positioning showed that the thunderstorm area was developing and causing rain with thunderstorms and lightning in Ho Chi Minh City areas such as Can Gio and Nha Be.
In the next 0 - 3 hours, thunderstorm clouds will continue to develop, causing showers, accompanied by thunderstorms and lightning in the above districts, then expanding to other neighboring areas including Binh Chanh; Average front; Thu Duc City, central districts...
Common rainfall ranges from 5-20mm, in some places over 30mm. During a thunderstorm, watch out for tornadoes, hail and strong winds of about level 5-7 (8-17m/s).
The Ho Chi Minh City area has rain in many places and thunderstorms in some places. Rainfall recorded from 1pm on July 16 to 1pm on July 17 was 16.0mm in Tam Thon Hiep; Pham Van Coi (Cu Chi) 8.6mm, Binh Chanh 8.0mm; Le Minh Xuan 6.4mm; Cu Chi 5.2mm, Hoc Mon 3.0mm, Cat Lai 10.4mm; Nha Be 4.4mm…
In the next 24-48 hours, the low pressure trough will have an axis crossing the Central region. Above, the subtropical high pressure with an axis across the northern border weakened and withdrew. The southwest monsoon operates with moderate to strong intensity.
From 72 hours to 10 days, the low pressure trough with an axis crossing the Central Central region tends to increase in activity, connecting with a low pressure area in the sea off the coast of the Philippines. This low pressure trough gradually lifts the axis to the North.
It is important to note the possibility of tropical cyclone formation in the middle of the East Sea. The southwest monsoon operates with moderate to strong intensity. At high altitude, a low pressure trough exists up to 5,000m, and the subtropical high pressure with an axis across the northern border weakens and withdraws. The southwest monsoon gradually increased in intensity from July 22.
From July 17 to July 19, Ho Chi Minh City and the Southern provinces will have widespread rain, moderate rain, heavy rain and thunderstorms. Total rainfall in 48 hours is commonly 30-90mm, in some places it is over 90mm. The widespread rain in the Ho Chi Minh City area is likely to last for the next 1-3 days.
