Weather Advisory
Subject: Storm “KOTO”
And cool to cold in Thailand
(Effect until 27-30
November 2025)
No.2 (364/2025)
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At 4:00 a.m. LST
(27 November 2025), storm “KOTO” over the middle South China Sea. over the
South China Sea was centered at latitude 13.1 degrees
north and longitude 114.3 degrees east with maximum sustained winds about 139 km/hr. This storm is moving west-northwest with a speed of 15
km/hr., This storm is expected to intensify and move to near the coast of lower
Vietnam during 27–29 Nov while the high-pressure system covers Vietnam and the
South China Sea. This storm will decline rapidly and not move to Thailand but
leading to the northeasterly wind prevailing over upper Thailand will
strengthen.
The another rather strong
high-pressure system from China extend to upper Thailand, the upper South and
the South China Sea with a decrease in temperature and strong winds. Cool to
cold weather, a decrease in temperature by 4-7 °C in the Northeast while cool
is forecast in the North, the Central, the East, Bangkok including its vicinity
and the upper South a decrease in
temperature by 2-4 °C. On mountains of the
North and the Northeast, cool to very cold is forecast and minimum temperature
3-12 °C. People in the upper country should keep healthy due to the
changeable weather and beware of fire due to dry air. All transports take more
caution in poor visibility.
The moderate wind and wave in the Gulf
and offshore the Andaman Sea are
expected about 2 meters high and above 2 meters high in thundershowers. People
along the Gulf shore should beware of inshore surges. All
ships should proceed with caution and keep off thundershowers.
This advisory is in effect on 27 November 2025, at 5.00 a.m.
This
next issue will be on 27 November 2025, at 5.00 p.m.
(Signed)
Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological
Department