Weekly Weather Summary
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November 13, 2017 - November 19, 2017Max. Rainfall AmountMax. Temperature
Thailand
The high pressure area covered upper Thailand nearly the whole week and the rather active high pressure area from China extended its ridge to cover northeastern part and the South China Sea on the last day of the week. Moreover, the easterly winds prevailed over upper Thailand during 15-16 Nov. These caused cool weather over upper Thailand mainly in northern and northeastern parts and rainfall was observed mainly in central and eastern parts. Under the influence of the low pressure cell covered the Gulf of Thailand and Malaysia during the first half of the week associated with the northeast monsoon which prevailed over Thailand and the Gulf of Thailand strengthened during the second half of the week. Moreover, tropical storm “KIROGI (1725)” in the middle South China Sea during weekend moved westwards and downgraded into the tropical depression on the last day of the week and made landfall over Ho Chi Minh, Vietnam in the evening of the same day. These conditions caused abundant rainfall in southern part nearly the whole week.    
Northern Part
Cool weather nearly the whole areas mainly in the upper portion. Cold weather in mountainous areas and mountaintop. Isolated rain with heavy rainfall in some areas except for scattered rain on 16 Nov. 38.2 mm at Khanu Woralaksabur Kamphang Phet on 15 Nov.  18.0 º C at Umphang Tak on 13 Nov. (9.0 º C at Doi Intanon ChiangMai on 15 Nov.)  
Northeastern Part
Cool weather nearly the whole areas during early week then increasing in temperature with cool weather in some areas. Cold weather in mountainous areas and mountaintop. Isolated rain except for scattered rain with heavy rainfall in some areas on 15 and 19 Nov. 65.0 mm at Kham Thale So Nakhon Ratchasima on 15 Nov.  19.2 º C at Nakhon Phanam Agromet Stn Nakhon Phanam on 13 Nov. (11.0 º C at Phu Luang Wildlife Sanctuary Loei on 13 Nov.)  
Central Part
Cool weather in some areas of the upper portion. Scattered to fairly widespread rain with heavy rainfall in some areas except for isolated rain on 14, 17 and 18 Nov. 75.0 mm at Krok Phra Nakhon Sawan on 15 Nov.  21.4 º C at Mueang Kanchanaburi on 13 Nov. 
Eastern Part
Cool weather in some areas during the first half of the week. Isolated to scattered rain except for fairly widespread to widespread rain with heavy rainfall in some areas on 13 and 19 Nov. 82.4 mm at Ko Kut Trat on 19 Nov.  22.5 º C at Laem Chabang Chonburi on 14 Nov. 
Southern Part (East Coast)
Cool weather in some areas. Isolated to scattered rain with heavy rainfall in some areas except for fairly wide spread to widespread rain with heavy to very heavy rainfall in some areas on 13,14 and 16 Nov. 200.0 mm at Saba Yoi Songkhla on 14 Nov.  21.4 º C at Kho Hong Agromet Stn. Song Khla on 14 Nov. 
Southern Part (West Coast)
Cool weather in some areas. Fairly widespread to widespread rain with heavy rainfall in some areas except for isolated to scattered rain on 13, 17 and 18 Nov. 70.0 mm at Mueang Tatun on 15 Nov.  20.1 º C at Nuea Khlong Krabi on 18 Nov. 
Metropolitan
Isolated to scattered rain except for widespread rain with heavy rainfall in some areas on 19 Nov. 36.2mm at Samakkeesuttawas School Khet Bang Phlat on 19 Nov. ( 33.0 mm at Kamphaeng Saen Nakhon Pathom on 16 Nov. And at Bang Kruai Nonthaburi on 19 Nov. )   24.9 º C at Bang Na Agromet Stn. Khet Bang Na on 15 Nov. (23.3 º C at Kamphaeng Saen Nakhon Pathom on 13 Nov.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date November 20, 2017