On the afternoon of May 12, thunderstorms are developing and causing rain with thunderstorms and lightning in Hoc Mon district, Cu Chi district, Binh Chanh district.
In the next 0-3 hours, thunderstorms will continue to develop, causing showers, accompanied by thunderstorms and lightning in the above districts, then expanding to other neighboring areas.
Rainfall is generally from 5-15 mm, in some places over 20 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 high-altitude low pressure trough with the Northwest - Southeast axis through the South Central and South East Sea.
Weather forecast for the next 24-48 hours, the continental cold high pressure will continue to weaken, forming a low pressure trough with an axis of 24-28 degrees North latitude connecting with the hot low pressure in the West, from May 14, the low pressure trough will be compressed and pushed to the South.
Above, the subtropical high pressure with an axis through the South Central and South regions tends to encroach on the West.
Weather forecast for the next 3 days, the trough with an axis at about 24-28 degrees North latitude connecting with the hot low pressure in the West will be compressed and pushing the epidemic to the South to gradually weaken.
From around May 17-18, the low pressure area in the West is likely to develop again to the East. From 19-20, the equatorial trough will gradually strengthen and lift its axis to the North.
Therefore, in the next 1-2 days, the Southern region will have scattered rain in many places, some places will have heavy to very heavy rain.