At 1.00 p.m. LST (3 September 2024), the tropical storm “YAGI” over the upper South China Sea was intensified to the severe tropical storm. And at 4.00 p.m., this storm was due at latitude 18.7 degrees north and longitude 118.4 degrees east. With maximum sustained winds about 95 km/hr, this storm was moving west-northwest about 20 km/hr. It is expected to intensify to the typhoon, respectively. This storm is forecast to move through Hainan, China and it will make landfall over upper Vietnam during 6 - 8 September. Isolated heavy rains are likely in the North and the upper Northeast during 7 – 8 September.
During 3 - 6 Sep, the moderate monsoon trough lie across the lower North, the Central and the lower Northeast of Thailand while the moderate southwest monsoon prevailing over the Andaman Sea, the South and the Gulf is strengthening. Isolated heavy rains are likely in the lower North and the Northeast while isolated very heavy rains are possible in the Central, the East and the South. People in the areas should beware of heavy to very heavy rains and accumulations that may cause flash flood and overflows, especially along foothills near waterways and lowlands.
During 4 - 8 Sep, the strengthening wind force the waves in the Andaman Sea and the upper Gulf are likely 2 - 3 meters high and above 3 meters high in thundershowers. In the lower Gulf, the waves have 1 - 2 meters high and above 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers, small boats in the Andaman Sea and the upper Gulf keep ashore.
This advisory is in effect on 3 September 2024, at 5.00 p.m.
This next issue will be on 3 September 2024, at 11.00 p.m.
(Signed) Acting Sub Lt. Thanasith Iamananchai
(Thanasith Iamananchai)
for Director-General
Thai Meteorological Department
Verified copy
(S. Tonjan)
Director of Weather Forecast Division