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Thailand Weather
  General Situation    at 04:00 July 20, 2018  
The active low pressure covers upper Laos and lead to torrential rain for the North and the Northeast. The strong southwest monsoon prevails across the Andaman Sea and the Gulf of Thailand with outbreaks of torrential rain for the East and the South. The rough sea will be likely 2-3 meters high in the upper portions of both Andaman Sea and Gulf. All ships should proceed with caution, and small boats keep ashore. Residents along the coast of the East and the western South should beware of inshore surge lasting 22 July. People should beware of severe weather conditions and stay tuned for the weather forecast.
  Bangkok Metropolis and Vicinity Forecast    From 06:00 today To 06:00 tomorrow  
Cloudy with fairly widespread thundershowers. Minimum temperature 25-26 °C. Maximum temperature 29-30 °C. Southwesterly winds 15-30 km/hr.
More Details Issued Date July 20, 2018
  7 days Weather Forecast   July 19, 2018 - July 25, 2018  
     During 19 – 20 Jul, tropical depression “SON-TINH” covers the upper Virtnam and the upper Laos. Expected, this storm will downgrade to active low pressure cell in the upper Laos. The strong southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf. Abundant rain with isolated heavy to very heavy rain is likely over Thailand. The strong wind and waves are likely 2-3 meters in the Andaman Sea and the upper Gulf. During 21-25 Jul, the monsoon trough will lie across Myanmar, Laos and Vietnam while the southwest monsoon will weaken. Less rain over Thailand and abundance remains over the North and the Norteast. The moderates winds and waves are expected about 2 meters over the Andaman Sea and the upper Gulf. Tropical strom “SON-TINH” over the Tonkin Bay is expected to make landfall over Vinh, Veitnam on 18 Jul. It will downgrade to tropical depression and an active low pressure, respectively before moving to Nan, Thailand on 19 Jul.
     
Cautions
     During 19 – 20 Jul, people should beware of heavy rain and accumulated rainfall. All ships in the Andaman Sea and the upper Gulf should proceed with caution and small boats should keep ashore until 22 Jul .
Issued Date July 19, 2018
  7 day Weather Summary   July 9, 2018 - July 15, 2018  
The monsoon trough lay across top of Thailand, Laos and Vietnam toward the low pressure cell in the upper South China Sea during the first half of the week. After that, it moved southward to lie over Myanmar, upper northern part and Laos toward the low pressure cell in the Gulf of Tonkin. In addition, the active southwest monsoon prevailed over the Andaman Sea, Thailand and the Gulf of Thailand throughout the week. These conditions caused abundant rainfall over Thailand almost the whole week.
Previous Issued Date July 16, 2018