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  General Situation    at 22:00 May 19, 2019  
The weak southwesterly winds prevail over the Andaman Sea, Thailand and the Gulf. Isolated rain will be likely over the country while a rise in temperature remains in the upper country. The wind waves in the Andaman Sea are expected 1-2 meters high and above 2 meters high in thundershower areas. All ships should proceed with caution. During 20-25 May, more rain with isolated heavy rain will be expected over the country as the high-pressure system from China will cover the South China Sea. This affects the southeasterly winds prevailing across the Northeast, the Central and the East regions while the moderate southwesterly winds covers the Andaman Sea, southern Thailand and the Gulf. The wind waves in both sea become moderate.
  Bangkok Metropolis and Vicinity Forecast    From 23:00 today To 23:00 tomorrow  
Hot with isolated thundershowers. Minimum temperature 27-28 °C. Maximum temperature 36-39 °C. Southerly winds 10-20 km/hr.
More Details Issued Date May 19, 2019
  7 days Weather Forecast   May 19, 2019 - May 25, 2019  
     During 20 - 24 May, the high pressure area from China will extends to the South China Sea cause the southeasterly winds bring humid to cover the Northeast, the Central, and the East of Thailand. Meanwhile the strengthening Southwesterly winds prevail the Andaman Sea, the South, and the Gulf of Thailand. A inceasing rain with isolated heavy rain are likely in the North, the Northeast, the Central, the East, and the South. The moderate wind waves about 2 meters are likely in the Andaman Sea and the Gulf of Thailand, and 2-3 meters in thundershower areas.
     During 20 - 24 May, people over Thailand should beware of heavy rain with gusty winds. All ships in the Andaman Sea should procedure with caution in thunderstorm areas throughout of period.
Issued Date May 19, 2019
  7 day Weather Summary   May 10, 2019 - May 16, 2019  
The southwesterly wind prevailed over the Andaman Sea and Thailand during the first half of the period. In addition, the confluence of the southwesterly and southeasterly wind prevailed over upper Thailand during the second half of the period and the low pressure cell covered the northern and northeastern parts during mid-period. These conditions caused hot weather in several areas of upper Thailand especially in the northern and central parts with very hot weather in some areas of the northern part. Rainfall was mainly observed during the middle and the end of the period with thunderstorms and gusty wind in several areas. For southern part, the southwesterly wind prevailed over the Andaman Sea and the southern part during the beginning and the middle of the period and the westerly wind prevailed over the mentioned areas caused abundant rainfall throughout the period.
Previous Issued Date May 17, 2019