Weather Advisory
Subject: Storm “MATMO”
No.9 (285/2025)
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At 03.00 p.m. LST (5 October
2025), typhoon “MATMO” made landfall over the south of Guangdong, China. At 04.00
p.m. was centered at latitude 21.1 degrees north and longitude 109.9 degrees east with maximum sustained winds about
120 km/hr. This storm is moving west-northwest with
a speed of 20 km/hr., It is expected to move into the Gulf
of Tonkin on tonight. It is expected to weaken into tropical storm before
making landfall over the south of Guangxi, China. Storm “MATMO” is forecasted
to downgrade rapidly due to the extending of the high-pressure system from China
during 6-7October 2025. This storm is not move to
Thailand.
The
storm “MATMO” effects to the southwest monsoon prevailing over the Andaman Sea,
Thailand and the Gulf will strengthen during 6-7 October
2025. Isolated heavy rains are possible in the North, the Northeast, the East
and the South. People in the areas should beware of heavy rains and
accumulation that may cause flash floods and overflows especially along the
waterways near foothills and lowlands.
The moderate wind
and waves in the upper Andaman Sea are expected 1-2 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 5 October 2025, at 05.00 p.m.
This
next issue will be on 5 October 2025, at 11.00 p.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological Department