Active Low-Pressure Cell No. 7 (254/2023)

Weather Advisory

Subject: Active Low-Pressure Cell

No. 7 (254/2023)

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The active low-pressure cell over Laos is expected to move along the monsoon trough lying across upper Thailand from 26 to 28 September 2023. Scattered heavy rains, as well as some very heavy rains, are forecast in the North, the Northeast, Central including Bangkok and its vicinity, the East and the South regions. People should beware of the severe conditions that may cause flash floods and overflows, especially along foothills near waterways and lowlands. All transport takes more caution.

Affected areas are as followings:                                                                            

On 26 September 2023

North:         Mae Hong Son, Chiang Mai, Lamphun, Lampang, Uttaradit, 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, Phra Nakhon Si Ayutthaya, Kanchanaburi and Ratchaburi including Bangkok and its vicinity.

East:           Nakhon Nayok, Prachinburi, Sa Kaeo, Chonburi, Rayong, Chanthaburi and Trat.

South:         Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Ranong, Phangnga, Phuket, Krabi, Trang and Satun.

On 27 September 2023

North:         Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phrae, Sukhothai, Uttaradit, Tak, Kamphaeng Phet, Phichit, Phitsanulok and Phetchabun.

Northeast:   Loei, Nong Khai, Nong Bua Lamphu, Udon Thani, Chaiyaphum, Khon Kaen, Kalasin, Maha Sarakham, Roi Et, Nakhon Ratchasima, Buriram, Surin and Sisaket.

Central:      Nakhon Sawan, Uthai Thani, Chainat, Singburi, Ang Thong, Phra Nakhon Si Ayutthaya, Lopburi, Saraburi, Kanchanaburi, Suphanburi, Ratchaburi, Nakhon Pathom,
Samut Songkhram and Samut Sakhon including Bangkok and its vicinity.

 East:          Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.

South:         Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket, Krabi, Trang and Satun.

On 28-29 September 2023

North:         Mae Hong Son, Chiang Mai, Lamphun, Lampang, Phrae, Uttaradit, Sukhothai, Tak, Kamphaeng Phet, Phichit, Phitsanulok and Phetchabun.

Northeast:   Loei, Nong Khai, Nong Bua Lamphu, Udon Thani, Chaiyaphum, Khon Kaen, Kalasin, Maha Sarakham Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket and Ubon Ratchathani.

Central:      Nakhon Sawan, Uthai Thani, Chainat, Singburi, Ang Thong, Phra Nakhon Si Ayutthaya, Lopburi, Saraburi, Kanchanaburi, Suphanburi, Ratchaburi, Nakhon Pathom, Samut Songkhram and Samut Sakhon including Bangkok and its vicinity.

East:           Nakhon Nayok, Prachinburi, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.

South:         Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Ranong, Phang Nga
and Phuket.

From 26 to 29 September, the wind forces the waves in the upper Andaman Sea 2-3 meters high and more than 3 meters high in thundershowers. The lower Andaman Sea and the upper Gulf, waves are  about 2 meters high and more than 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers. Small boats in the upper Andaman Sea keep ashore.

                                          This advisory is in effect on 26 September 2023, at 11.00 a.m.

                                            This next issue will be on 26 September 2023, at 17.00 a.m.

                                                                 (Signed)   Chomparee Chompurat       

                       (Miss Chomparee Chompurat)                            

                                for Director-General                        

                      Thai Meteorological Department