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  General Situation    at 22:00 October 2, 2022  
The high-pressure system from China extend to the upper North, the upper Northeast of Thailand and the South China Sea leads to the monsoon trough move down to lie across the lower North, the Central, the East and the lower Northeast of Thailand. Meanwhile, the moderate southwest monsoon prevails over the Andaman Sea, the South, and the Gulf. In addition, the southeasterly wind prevails over the lower Northeast. Continuous rainfall remains in the overall country and isolated heavy to very heavy rains are possible in some places of the North, the Northeast, the 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 the waterways near foothills and lowlands. The moderate wind and waves in the Andaman Sea are 1-2 meters high, above 2 meters high in thundershowers and in the Gulf are about 1 meter high, above 1 meter high in thundershowers. All ships should proceed with caution and keep off thundershowers.
  Bangkok Metropolis and Vicinity Forecast    From 23:00 today To 23:00 tomorrow  
Fairly widespread thundershowers with isolated heavy to very heavy rains. Minimum temperature 23-25 °C. Maximum temperature 32-34 °C. Southwesterly winds 10-20 km/hr.
More Details Issued Date October 2, 2022
  7 days Weather Forecast   October 2, 2022 - October 8, 2022  
     On 2 Oct 2022, the monsoon trough lies across the lower North, the Central and the lower Northeast of Thailand, Meanwhile, the moderate southwest monsoon prevails over the Andaman Sea, the South, and the Gulf. In addition, another high-pressure system from China extend to upper Laos and the South China Sea leads to the southeasterly wind prevail over the lower Northeast. Continuous rainfall remains in the overall country and isolated heavy to very heavy rains are possible in some places of the North, the Northeast, the Central including Bangkok and its vicinity, the East and the South regions. During 3 – 8 Oct 2022, high-pressure system from China will extend to the North, the Northeast and the South China Sea lead the monsoon trough lie across the lower Central, the East and the South while the southwest monsoon prevailing over the Andaman Sea and the South will weaken. Less rain is forecast for the North and the Northeast while isolated heavy rain in the lower North, the Central including Bangkok and vicinity, the East and the South. Meanwhile, the moderate southwest monsoon prevails over the Andaman Sea, the South and the Gulf. The wind and waves in the Andaman Sea are 1 - 2 meters high, about 2 meters high in thundershowers and in the Gulf are about 1 meter high, above 1 meter high in thundershowers throughout the period.
     
Cautions
     People should beware of severe condition and its accumulation that may cause flash floods and overflows, especially along the waterways near foothills and lowlands. All ships should proceed with caution and keep off thundershowers.
Issued Date October 2, 2022
  7 day Weather Summary   September 23, 2022 - September 29, 2022  
The monsoon trough lay across the lower northern and central parts toward the low pressure cell over the lower northeastern part during the first half of the period then shifted to lie across the lower northern, upper central and lower northeastern parts toward typhoon “NORU, 2216” over the middle South China Sea. Typhoon “NORU” made landfall over Hội An, Vietnam at the dawn of 28 Sep. then move westward and downgraded into the tropical storm before moved to Sekong, Loas in the morning on the same day. This tropical storm moved through Laos into Khong Chiam, Ubon Ratchathani, Thailand at 5:00 p.m. of 28 Sep. then downgraded into the tropical depression at 6:00 p.m. After that, it moved through Amnat Charoen, Yasothon, Roi Et, Maha Sarakham provinces respectively and degenerated into an active low pressure cell covering Mueang, Chaiyaphum province at 7:00 p.m. of 29 Sep. In addition, the moderate southwest monsoon which prevailed over the Andaman Sea, southern Thailand and the Gulf of Thailand was rather active during the second half of the period. These conditions caused plentiful rainfall over upper Thailand almost the period with heavy and very heavy rainfall in some areas. The southern part received abundant rainfall throughout the period.
Previous Issued Date September 30, 2022