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Thailand Weather
  General Situation    at 16:00 September 28, 2021  
The easterly and the southeasterly winds prevail over Thailand while the weak southwest monsoon prevails over the Andaman Sea, the South and the Gulf of Thailand. Less rain is likely over Thailand.
  Bangkok Metropolis and Vicinity Forecast    From 17:00 today To 17:00 tomorrow  
Isolated thundershowers. Minimum temperature 25-26 °C. Maximum temperature 33-35 °C. Southeasterly winds 10-20 km/hr.
More Details Issued Date September 28, 2021
  7 days Weather Forecast   September 28, 2021 - October 4, 2021  
     During 28 - 30 Sep, The easterly and the southeasterly winds prevail over Thailand while the weak southwest monsoon prevails over the Andaman Sea, the South and the Gulf of Thailand. Less rain is likely over Thailand. During 1 - 4 Oct, the weak monsoon trough will move up to lie across the North, the Northeast, the upper Central and the East. The southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf of Thailand will strengthen. More rain is likely over Thailand and isolated heavy rain in the East and the South.
     
Cautions
      During 1 - 4 Oct, people over the risk areas in the East and the South should beware of the severe conditions.
Issued Date September 28, 2021
  7 day Weather Summary   September 20, 2021 - September 26, 2021  
The active low pressure cell in the middle South China Sea intensified into a tropical depression and tropical storm “DIANMU (2115)” covering the coast of middle Vietnam on 23 Sep. then made landfall over Quảng Nam, Vietnam in the morning of 24 Sep. It weakened into the tropical depression at Savannakhet, Loas and moved to cover Mukdahan province in the evening on the same day and finally degenerated into the active low pressure cell covering Khon Kaen province in the morning of 25 Sep. Moreover, the monsoon trough lay across the central, eastern and lower northeastern parts during early and mid-week then it moved northward to lie across the lower northern, central, eastern parts. It lay toward the low pressure cell over Cambodia on Sep 20. which later moved to cover the lower central Thailand before moving into the Gulf of Martaban on 22 Sep. In addition, the southwest monsoon prevailed over the Andaman Sea, southern part and the Gulf of Thailand throughout the week. These conditions caused plentiful rainfall over upper Thailand with flooding continued in many areas while southern part received rainfall mainly during early and late week.
Previous Issued Date September 27, 2021