At 4.00 p.m. LST on 13 May, tropical cyclone MOCHA over the upper portion of Bengal Bay was due at latitude 16.4 degrees north and longitude 90.3 degrees east. With its maximum sustained winds about 200 km/hr, it was moving northeast about 14 km/hr to make landfall over Myanmar on 14 and 15 May. More rains, as well as isolated heavy to very heavy rains, will be possible in the North, the Northeast, the Central, and the East regions from 13 to 15 May. People should beware of the severe condition that may cause flash flood and overflows.
In the upper Andaman Sea, the waves are likely about 2 meters high and offshore more than 2 meters high. On 14 and 15 May, the wind will become stronger forcing the waves 2-3 meters high in the upper Andaman Sea and offshore more than 3 meters high. The lower Andaman Sea has the waves 1-2 meters high and in thundershowers more than 2 meters high. All ships should proceed with caution and keep off thundershowers area. Small boats in the upper Andaman Sea keep ashore lasting 16 May.
The advisory is in effect on 13 May 2023, at 5.00 p.m.
The next issue will be at 14 May 2023, at 5.00 a.m.
(Signed) Chomparee Chompurat
Thai Meteorological Department