Weather Advisory
Subject: Storm “KOTO”
And cool to cold in Thailand
(Effect until 29-30 November
2025)
No.6 (368/2025)
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At 4.00 a.m. LST
(29 November 2025), severe tropical storm “KOTO” over the middle South China
Sea or at latitude 13.7 degrees north and longitude 112.2 degrees east with maximum sustained winds about 93 km/hr. This
storm is moving west-southwest slowly. This storm is expected to move near the
coast of Vietnam while the high-pressure system covers Vietnam and the upper South
China Sea. This storm will decline rapidly and not move to Thailand.
On 29 November 2025, the rather
strong high-pressure system from China covers upper Thailand, the upper South
and the South China Sea with cool to cold weather and strong winds. A slightly decrease
in temperature is forecast in the upper Thailand and the upper South. After
that on 30 November, an increase in temperature is forecast in the upper
country and the upper South regions. On mountains top of the North and the Northeast,
cold to very cold and isolated frost are forecast. The minimum temperature of the
North mountaintops is in range of 1-8 °C while the Northeast ranges by 4-13 °C.
People in the upper country and the upper South should
keep healthy due to the cool to cold weather and beware of fire due to dry air
and strong wind.
The moderate wind
and wave in the Gulf and the Andaman Sea offshore are expected about 2 meters high and
above 2 meters high in thundershowers. All ships should proceed with caution
and keep off thundershowers.
This advisory is in effect on 29 November 2025, at 5.00 a.m.
This
next issue will be on 29 November 2025, at 5.00 p.m.
(Signed)
Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological
Department