Cool to cold in Thailand Heavy to very heavy rains in the South and Strong wind-waves in the Gulf No. 7 (313/2023)

Weather Advisory

Subject: Cool to cold in Thailand

Heavy to very heavy rains in the South and Strong wind-waves in the Gulf

No. 7 (313/2023)

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        The strong high-pressure system from China extend to upper Thailand with a decrease in temperature by 5-8 °C. A decrease in temperature by 4-6°C is likely the North and a decrease in temperature by 3-5 °C is likely in the Northeast, the Central including Bangkok and its vicinity and the East while 3-4 °C decrease in temperature is likely in the upper South. On mountaintops of the North and the Northeast, cold to very cold and isolated frost is forecast. The minimum temperature of the North mountaintops is in range of 3-11 °C while the Northeast ranges by 6-12 °C. People in the country should keep healthy and beware of fire due to strong winds and dry air.

           The northeast monsoon prevailing over the Gulf and the South will strengthen. Meanwhile, an active        low-pressure cell over the lower South China Sea will move through the lower South and Malaysia into the lower Andaman Sea during 22-25 December 2023. Isolated heavy to very heavy rains are likely in Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Trang and Satun. People in the lower south should beware of heavy to very heavy rains that may cause flash floods and overflows, especially along the waterways near foothills and lowlands. At the same time, the strong wind forces the waves in the Gulf up to 2-4 meters high and above 4 meters high in thundershowers. In the Andaman Sea, the waves are likely about 2 meters high and above 2 meters high in thundershowers and offshore. People along the South (east coast) should beware of inshore surges. All ships should proceed with caution and keep off thundershowers. Small boats in the Gulf should keep ashore during 22-25 December 2023.

The advisory is in effect on 21 December 2023, at 5.00 p.m.

  This next issue will be on 22 December 2023, at 5.00 a.m.

                                                                (Signed)   Kornravee Sitthichivapak       

                      (Miss Kornravee Sitthichivapak)                            

                                 for Director-General                        

                                                      Thai Meteorological Department