"Colder Conditions in Upper Thailand and Strong Wind-waves in South"
No. 15 Time Issued January 11, 2018
1. Colder Conditions in Upper Thailand
During 11-15 Jan, the strong high-pressure system covers upper Thailand. Colder weather, strong winds and drop in temperature by 3-5 °C are likely in the upper country. The mountaintops will see cold to very cold spells in the North and the Northeast with minimum temperature about 4-10 °C. During 13-14 January, Bangkok and its vicinity sees minimum temperature in range of 16-18 °C. People should keep healthy.
2. Heavy rain and Strong Wind-waves in South
The strong northeast monsoon prevails across the Gulf of Thailand and the South bringing isolated downpours in the South (from Surat Thani passing south) with rough sea 2-3 meters high in the Gulf and the Andaman Sea. Residents along the Gulf’s shore should watch for inshore surge. All ships should proceed with caution, and small boats in the Gulf keep ashore lasting 15 January.
The final advisory is effect on 11 January 2018, at 11.00 p.m.
(Signed) Wanchai Sakudomchai
(Mr. Wanchai Sakudomchai)
Thai Meteorological Department