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  General Situation    at 22:00 October 30, 2020  
The high pressure system from China extends to the upper North and the Northeast of Thailand. Cooler weather with isolated light rain will be forecast in the north Northeast and the Central regions. People keep healthy due to the changeable condition. The weak monsoon trough lies across the South. At the same time, the northeast monsoon prevails over the Gulf of Thailand and the South with remaining rain in some of the South.
  Bangkok Metropolis and Vicinity Forecast    From 23:00 today To 23:00 tomorrow  
Cloudy with isolated rain. Minimum temperature 23-24 °C. Maximum temperature 29-30 °C. Northeasterly winds 10-20 km/hr.
More Details Issued Date October 30, 2020
  7 days Weather Forecast   October 30, 2020 - November 5, 2020  
     During 31 Oct - 2 Nov, a high pressure area or cold air mass from China extends to upper Thailand. Making the upper Thailand slightly cooler. The low pressure cell covers Myanmar and the upper Bay of Bengal. Causing rain in upper Thailand to occur during this period. While the monsoon trough lies across the southern central region cause this area have some heavy rain. During 3 - 5 Nov, another rather intense high pressure area from China will extend to upper Thailand. This causes the upper Thailand to drop by 2-4 °C with cool air and windy. While the monsoon trough slides down across the lower South In addition, the northeast wind that prevails over the upper Gulf of Thailand and the South has intensified. Causing the lower southern region to have heavy rain somewhere in this period for wind waves in the upper Gulf of Thailand are moderate. Wave height about 2 meters and above 2 meters in thundershower areas. A Category 5, Typhoon \"Goni\" in the eastern part of the Philippines. It will move into the central South China Sea on 2 Nov 2020 and will likely move close to the coast of upper Vietnam and the Gulf of Tonkin during 4 - 6 Nov 2020.
     
Cautions
     People in upper Thailand should be careful of their health due cold weather. And people in the south should beware of the heavy rain and accumulated rain.
Issued Date October 30, 2020
  7 day Weather Summary   October 23, 2020 - October 29, 2020  
The high pressure area from China extended its ridge to cover upper Thailand almost period. This caused decreasing in temperature over upper Thailand with cool weather in the morning especially in the northern and northeastern parts. Besides, the influence of the typhoon “SAUDEL (2017)” in the middle South China Sea making landfall over Vietnam as tropical depression strength in the morning of 26 Oct. and moved to Laos and dissipated in afternoon of the same day. Accompanied with the typhoon “MOLAVE (2018)” which hit over Quang Ngai, Vietnam at 10.00 a.m. on 28 Oct. and downgraded into tropical storm over Quang Nam, Vietnam in the evening then it moved through Laos and downgraded into tropical depression before entering Thailand at Ubon Ratchathani province at 02.00 a.m. on 29 Oct. and later degenerated into the active low pressure cell covering northeastern part. These conditions caused increasing of rainfall in upper Thailand mainly northeastern part during the middle and the end of the period. For southern part, the monsoon trough lay across the middle of the southern part and the southwest monsoon prevailed over the Andaman Sea, southern part and the Gulf of Thailand was active during the second half of the period causing abundant rainfall over the southern part almost the period.
Previous Issued Date October 30, 2020