Weather Advisory
Subject: Tropical depression
At 4.00 a.m. LST (19 September 2024), the tropical depression over the middle South China Sea was centered about 300 kilometers southeast of Quang Tri, Vietnam or at latitude 17.5 degrees north and longitude 110.0 degrees east. With maximum sustained winds about 55 km./hr. This storm was moving west at a speed of about 20 km./hr. It is forecast to intensify to the tropical storm by today (19 September 2024) and will make landfall over middle Vietnam during 19-20 September 2024. Meanwhile, the monsoon trough lies across the lower North, the Central, the Northeast. More rains with isolated heavy rains are likely in the country while isolated very heavy rains with strong wind are possible in the North, the Northeast, the Central including Bangkok and its vicinity, the East and the South during 19-23 September 2024. People in the areas should beware of heavy to very heavy rains with strong winds and accumulations that may cause flash flood and overflows, especially along foothills near waterways and lowlands.
Affected areas of heavy rain to very heavy rain are as followings:
19 September 2024
Northeast: Bueng Kan, Sakon Nakhon, Nakhon Phanom, Kalasin, Mukdahan, Roi Et, Yasothon, Amnat Charoen, Sisaket and Ubon Ratchathani.
East: Chanthaburi and Trat
South: Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Ranong, Phang Nga, Phuket, Krabi, Trang and Satun.
20 September 2024
North: Lampang, Phayao, Nan, Phrae, Uttaradit, Sukhothai, Phitsanulok, Phichit,
and Phetchabun.
Northeast: Loei, Nong Khai, Bueng Kan, Nong Bua
Lamphu, Udon Thani, Sakon Nakhon,
Nakhon Phanom, Chaiyaphum, Khon Kaen, Kalasin, Mukdahan, Maha Sarakham,
Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin,
Sisaket, and Ubon Ratchathani.
Central: Nakhon Sawan, Lopburi, Saraburi, Singburi, Ang Thong, Phra Nakhon Si Ayutthaya, Suphan Buri, including Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chanthaburi, and Trat.
South: Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Ranong, Phang Nga, Phuket, Krabi, Trang, and Satun
21 September 2024
North: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Tak, Sukhothai, Kamphaeng Phet, Phichit, Phitsanulok, and Phetchabun.
2/ Norteast…
Northeast: Loei, Nong Khai, Bueng Kan, Nong Bua
Lamphu, Udon Thani, Sakon Nakhon,
Nakhon Phanom, Chaiyaphum, Khon Kaen, Maha Sarakham, and Nakhon Ratchasima.
Central: Nakhon Sawan, Uthai Thani, Chainat,
Lopburi, Saraburi, Kanchanaburi, Ratchaburi,
and Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat.
South: Phetchaburi,
Prachuap Khiri Khan, Chumphon, Surat Thani, Ranong, Phang Nga, Phuket,
and Krabi
22-23 September 2024
North: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Tak, Sukhothai, Kamphaeng Phet, Phichit, Phitsanulok, and Phetchabun.
Northeast: Loei, Nong Khai, Bueng Kan, Nong Bua
Lamphu, Udon Thani, Sakon Nakhon,
Nakhon Phanom, Chaiyaphum, Khon Kaen, Kalasin, Mukdahan, Maha Sarakham,
Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket,
and Ubon Ratchathani.
Central: Nakhon Sawan, Uthai Thani, Chai Nat, Sing Buri, Ang Thong, Lop Buri, Saraburi, Suphan Buri, Phra Nakhon Si Ayutthaya, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, and Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat
South: Ranong and Phang Nga
During 19 - 22 September 2024, the strong southwest monsoon prevails over the Andaman Sea, the South and the Gulf. Isolated heavy to very heavy rains are likely in the South. The rather strong wind force the waves in the Andaman Sea and the upper Gulf up to 2-4 meters high and above 4 meters high in thundershowers. In the lower Gulf, the waves have about 2meters high and above 2 meters high in thundershowers and offshore. 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 19 September 2024, at 5.00 a.m.
This next issue will be on 19 September 2024, at 11.00 a.m.
(Signed) Kornravee Sitthichivapak
(Miss Kornravee Sitthichivapak)
for Director-General
Thai Meteorological Department
Verified copy
(S. Tonjan)
Director of Weather Forecast Division
