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Thailand Weather
  General Situation    at 22:00 January 22, 2019  
The rather strong high pressure remains cover the upper Thailand and the South China Sea. The northeast monsoon across the Gulf of Thailand will be rather stronger. Cool to cold spells will be across the North and the Northeast with strong winds. Temperatures will decrease by 1-3 °C while the rest of the upper half country will get cool spell with temperatures decreasing by 1-2 °C. People should keep healthy due to the changeable weather. The rather strong wind in the South leads the moderate waves about 2 meters high. All ships should proceed with caution.
  Bangkok Metropolis and Vicinity Forecast    From 23:00 today To 23:00 tomorrow  
Partly cloudy, decreasing temperatures by 1-2 °C. Minimum temperature 22-24 °C. Maximum temperature 33-34 °C. Northeasterly winds 15-30 km/hr.
More Details Issued Date January 22, 2019
  7 days Weather Forecast   January 22, 2019 - January 28, 2019  
     During 22-25 January 2019, another rather strong high pressure area from China will extend to upper Thailand and the South China Sea. Morning cool to cold with strong wind and 2-5°C drop in temperature are likely over upper Thailand. The northeast monsoon prevailing over the Gulf of Thailand and the South will strengthen. More rain is expected over the South with the moderate wind and wave about 2 meters over the lower Gulf. During 26-28 January 2019, the high pressure area over upper Thailand is weakening. Morning cool and mist are likely over the upper country while the cold weather remains over the North and the Northeast, with a slightly change in temperature. The moderate northeast monsoon prevails over the Gulf and the South. Thundershowers with the moderate wind and wave are expected over the lower Gulf.
     
Cautions
     People should beware the cool weather. All ships over the Gulf of Thailand and the Andaman Sea should proceed with cautions throughout the period.
Issued Date January 22, 2019
  7 day Weather Summary   January 14, 2019 - January 20, 2019  
The weak high pressure area covered upper Thailand and the South China Sea during the first half of the week then another moderate high pressure area from China extended its ridge to cover upper Thailand and later weakened. In addition, the westerly wind in upper level prevailed over the northern part during the end of the week. These conditions caused general cool weather nearly the whole week with cold weather in some areas during the middle and the end of the week in the northern and the northeastern parts and cool weather in several areas for the rest parts. There was isolate rain in upper Thailand. For the southern part, the northeast monsoon which prevailed over the Gulf of Thailand and southern part was moderate during the middle of the week that causing rainfall in the mentioned period.
Previous Issued Date January 21, 2019